Meanwhile, the metal component of the base, in this case sodium, binds to the nonmetal component of the acid (fluoride ions) to form a salt (sodium fluoride). Long term or repeated exposures can cause deposits of fluorides in bones and teeth, a condition called fluorosis. 100% HF Potassium Fluoride (KF) DOT Class 6 (Poison) Sol. Potassium fluoride is the chemical compound with the formula KF.After hydrogen fluoride, KF is the primary source of the fluoride ion for applications in manufacturing and in chemistry. Solventless Suzuki Coupling Reactions On Palladium-Doped Potassium Fluoride­ Alumina. The closest thing to repairing enamel is that it may help remineralize decalcified enamel. ClO 4 - ... Hydrofluoric acid. Determine the number of atomic centers: 0, 12. Formula. CAS NO. InChIKey:NROKBHXJSPEDAR-UHFFFAOYSA-M, 6). If breathing stops, take artificial respiration immediately. Potassium fluoride in industry is irritating, and its toxicity can seriously damage mucous membranes, skin and so on. (Use the solubility rules provided in the OWL Preparation Page to determine the solubility of compounds.) The contaminated area should be washed down, with plenty of water. Acids & Bases; Catalysis & Inorganics; Chemical Synthesis; Chemistry Libraries; ... potassium fluoride. Never give anything by mouth to an unconscious person. Medical treatment. Chemistry. Package: Our potassium fluoride is packaged with aluminum foil bag (20kg/bag) or cardboard drum (75kg/drum), or will be packed upon clients’ requests. Application range and safety precautions of potassium fluoride for industrial use. The aggregation properties are also affected. In this case, you have the salt of the weak acid but you don't have the weak acid itself. Solubility: soluble in water, hydrofluoric acid, liquid ammonia, insoluble in alcohol. While this is NOT a conventional method of preparing this buffer, of all the choices given, HCl would be the only one that would result in the formation of the weak acid, HF. Note to Physician: For large exposures, systemic effects (hypocalcemia and hypomagnesia) may occur. InChI:InChI=1S/FH.K/h1H;/q;+1/p-1 Preparation and Use Potassium fluoride second application fields is flux, flux is mainly silver solder and aluminum solder, because the fluorine ion complexation of metal ions such as aluminum oxide film removal effect, and can prevent re oxidation and wet surface, enhanced capillary action. In chemistry, there are three definitions in common use of the word base, known as Arrhenius bases, Brønsted bases and Lewis bases.All definitions agree that bases are substances which react with acids as originally proposed by G.-F. Rouelle in the mid-18th century.. Arrhenius proposed in 1884 that a base is a substance which dissociates in aqueous solution to form hydroxide ions OH −. What is the balanced formula for the compound potassium fluoride and how did you come up with it ? Xinxiang Yellow River Fine Chemical Industry Co., Ltd. is the largest manufacturer of Potassium Fluoride in the world. Anhydrous potassium fluoride is widely used in medicine, pesticides, and other industries have a lot of fuel can be used to replace other halogen aromatic ring to synthesize intermediate fluoride agent, which is applied to the field of potassium fluoride greatly. Besides, this chemical is incompatible with platinum plus bromine trifluoride, and it could react with strong acids to form hydrogen fluoride. Na2SiF6 + 6NaOH → 6NaF + Na2SiO3 + 3H2O. First pH = 3.15; second pH = 5.21B. Potassium nitrate has no effect on repairing enamel or caries prevention. If not breathing, give artificial respiration. Health hazards: the product itself has a neutral poison, very high irritation, mucous membranes, upper respiratory tract, eyes, skin tissue has a very strong destructive effect. When potassium fluoride, KF, is dissolved in water, will it give an acidic, basic, or neutral solution? Nominal mass: 58 Da 484, 1979. Medical treatment. KF (s) ———>K+ aq) + F- (aq) Fluorine ion reacts with water to for Hydrofluoric acid. Personal Respirators (NIOSH Approved): If the exposure limit is exceeded, a half-face dust/mist respirator may be worn for up to ten times the exposure limit or the maximum use concentration specified by the appropriate regulatory agency or respirator supplier, whichever is lowest. Best Answer:  If you are talking about Potassium Fluoride, it is an agent that helps prevent foreign things from growing within the blood sample. "Merck Index; an Encyclopedia of Chemicals, Drugs, and Biologicals", 11th ed., Rahway, NJ 07065, Merck & Co., Inc. 1989Vol. Table of Acid and Base Strength . : 7789-23-3) can be summarized as: (1). Molecular Weight: 98.00. protective equipment such as rubber gloves and boots, goggles and a hard hat. It is toxic! You need to also know the concentration of that compound on a aqueous solution (at least on a traditional approach). Caesium fluoride can be prepared by the reaction of caesium hydroxide (CsOH) with hydrofluoric acid (HF) and the resulting salt can then be purified by recrystallization. Most questions answered within 4 hours. Please consult the Safety Data Sheet for information concerning exposure limits. What was the resulting pH? Ingestion: Administer milk, chewable calcium carbonate tablets or milk of magnesia. 3. CALL A PHYSICIAN IMMEDIATELY. Stannous fluoride does not repair enamel but it incorporates into the enamel and changes it from hydroxyapatite to fluoroapatite which is more resistant to acid damage from the bacteria in dental plaque and it IS recommended topically to help prevent cavities. Methanoic acid. For more ecological and environmental information concerning this product. a) for KF, the acid is HF (weak) and the base is KOH (strong). Neutralizes bases in exothermic reactions. 124, Pg. Package: 1)20 kg /aluminum foil bag or 75kg/drum (for spray dried KF) 2)25 kg /aluminum foil bag or 25 kg/drum (for Granular KF) 3)1000 L/drum or 20 MT/ISO Tank (for KF,40% solution) Synonyms: Anhydrous Potassium Fluoride It should be dealt with according to specific pollution. CALL A PHYSICIAN IMMEDIATELY. Problem: Potassium fluoride (100 mL of a 0.4 M solution) was mixed with hydrofluoric acid (100 mL of a 0.4 M solution). Why is potassium fluoride, Kg, more stable than the elements potassium and fluoride that comprise it? Nausea, bloody vomiting, abdominal. If breathing is difficult, give oxygen. Vol. Use: Potassium Fluoride is widely applied in the preparation for various kinds of organic fluoride. A. For sensitive teeth you need to use a toothpaste labeled for sensitive teeth, and I would choose one that has potassium nitrate, not stannous fluoride. Sodium fluoride is prepared by reaction of sodium fluoride and sodium hydroxide solution in industry. Solutions of potassium bifluoride may contain some hydrofluoric acid, which can cause severe chemical burns and is one of the few materials that can etch glass. Yes. May be absorbed through the skin. Unlike other halide ions, fluoride is quite reactive, acting as a weak base and participating in some unique reactions. Potassium fluoride as fluorinating agent, mainly used for other halogen atom replacement on the aromatic ring, so its downstream products are mainly for the one or two and three fluorine substituted benzene derivatives, pyridine derivatives, fluorine fluorine biphenyl derivatives of aromatic compounds. Potassium Fluoride, with its CAS registry number 7789-23-3, has other name of Fluorure de potassium. If swallowed, with plenty of water gargle, to drink milk or egg white, doctor. Why sodium or potassium fluoride used an alcohol blood test? Uses: Electrolysis of molten potassium hydrogen fluoride can obtain fluorine. When potassium fluoride and sodium fluoride compares, it is more easily dissociated in various solvents. 34, Pg. Severe burns can occur if treatment is delayed after exposure to. (1)SMILES:[F-]. How does adding HCl create a buffer. Saturated vapor pressure (kPa):133.3Pa (885 DEG C) Exposures to potassium fluoride solutions can produce the following adverse health affects: Contact - Skin exposures can cause symptoms ranging from minor skin irritation to painful redness and swelling. 7 Name. Inhalation: If inhaled, remove to fresh air. CALL A PHYSICIAN IMMEDIATELY. Potassium hydrogen fluoride is known as "potassium hydrogen fluoride", "acid potassium fluoride," "heavy potassium fluoride" it is hydrofluoric acid salt. The most important use of potassium fluoride is to produce fluorine containing intermediates. Exposure may also occur in the event of a transportation incident. And more recently for taking use of fluoride ions strongly bound with hydrogen ions, it can be used in organic reaction with potassium fluoride for gradually condensing agent use. This general type of reaction is called a neutralization reaction: acid + base --> salt + water. Difference between Stannous fluoride and Potassium Nitrate? When dissolving in water, it undergoes complete dissociation. Prolonged exposure may cause hypocalcemia (reduced calcium levels) with nervous problems (tetany)and cardiac arrhythmia (irregular heart beat) and /or spasms. Potassium fluoride solution is used for pH adjustment in industrial textile processing facilities or laundries. Basic Information Synonym: Potassium acid bifluoride solution, Potassium acid fluoride solution, Potassium bifluoride, Potassium fluoride hydrofluoride solution, Potassium hydrogen difluoride, Potassium monohydrogen difluoride solution The potassium hydroxide is recycled to the neutralization tank and the acids to … Hazard identification of Potassium Fluoride are as below: If you look to the first period (vertical column) on the periodic table, you see that potassium (K) has a +1 charge. The overall compound must be neutral, since it's not an ion. HClO 4. Base. Potassium fluoride appears as white powder or crystals with a sharp saline taste. You are correct in the statement that buffers are weak acids or weak bases, but they ALSO need the salt of that acid or base. The poisoning was manifested by burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea and vomiting. Solutions of nitric acid, sodium hydroxide and potassium fluoride are mixed.? Hence Br can not take up elctrons from F. Thus no reaction occurs between Bromine(Br2) and Potassium Fluoride(KF). Eye contact: lift your eyelids immediately and rinse thoroughly with plenty of flowing water or saline for at least 15 minutes. It is estimated that in 2011, China's pharmaceutical and pesticide intermediates in the field of consumption of anhydrous potassium fluoride more than 40 thousand tons, is expected by 2015 will increase to more than 50 thousand tons, this part of the product consumption is high activity anhydrous potassium fluoride. Sodium Fluoride (NaF) DOT Class 6 (Poison) Sol. Potassium fluoride Computational chemistry data, 1. For example, KF could used to promote the processing of the following carbonyl-coupling reaction: 3). Affects heart and circulatory system. When heated potassium fluoride solution releases hydrogen fluoride, a toxic,corrosive gas. Now, look to the element flourine. Aspiration may cause. Why does calcium sulfide have a higher melting point that potassium fluoride? Also, you need to apply the toothpaste at least 4 or more times each day if you want it to be effective. Students of laboratory medicine will learn that in general acidemia (reduced blood pH) is associated with increased plasma potassium concentration (hyperkalemia), whilst alkalemia (increased blood pH) is associated with reduced plasma potassium concentration (hypokalemia). The main difference between high activity anhydrous potassium fluoride and common anhydrous potassium fluoride. Persons attempting to clean up potassium fluoride solution spills should wear proper personal protective equipment (see guidelines in Workplace Exposure section of this document or Safety Data Sheet). HF is formed and it is a weak acid. Potassium fluoride, KF is the salt of a weak acid (HF), and so to make a buffer, one needs to have present the weak acid also. Effects may not appear immediately. Hydrolysis of KF will be as follows:  F^- + H2O ==> HF + OH-. Perchloric acid. China solder industry is an industry with excess capacity. Skin Contact: Causes severe irritation and possibly burns to the skin. Potassium fluoride, KF is the salt of a weak acid (HF), and so to make a buffer, one needs to have present the weak acid also. Calculation reference value of hydrophobic parameter (XlogP): no, 3, the number of hydrogen bonding receptor: 1, 6, topological molecular polarity surface area (TPSA): 0, 11. Best Answer:  Because calcium sulfide, CaS, have a charge value of 2 and in potassium fluoride, KF, a charge value of 1Ca 2+ and S 2-K 1+ and F 1-. Separately, Sodium Fluoride and Potassium Oxalate do little, but together they inhibit the breakdown of glucose in the blood. be used in some consumer cleaning products. Due to it is ease to generate fluoride ions (F-) and therefore it can be used as the organic fluorinating agent, especially with the halogen exchange fluorination reagent. most often for agrichemical or pesticide products. Single isotope mass: 57.96211 Da Method: It can be derived when potassium hydroxide or potassium carbonate react with sufficient amount hydrofluoric acid, or adds hydrofluoric acid into saturated solution of potassium fluoride, and controls the terminal pH 2 to 3. 2. high activity of anhydrous potassium fluoride and potassium fluoride is mainly in the way of making the proportion of different results also have different proportion of the former is about 0.3 to about 1.2 as the latter is the former better reagent. Exposure limits for potassium bifluoride (per OSHA, ACGIH, and other agencies) are listed as the “fluoride” content rather than as KBF specifically. 4. high active potassium fluoride specific surface area of 13 square meters of ordinary /g; potassium fluoride specific surface area between 0.04-0.13 meters /g. The number of chemical bond centers is not determined: 0. potassium fluoride and  Sodium fluoride is white crystal having a rock-salt structure. Sodium fluoride and potassium fluoride is different with other alkali halide salts (such as sodium chloride), it is alkaline, addition reaction with hydrogen fluoride is easy and can generate acid salt. Potassium can reduce blood pressure and cause coma. 1.8 * 10-4. The amount of tantalum in the world is about 2000 tons per year, and the output of our country accounts for 1/3 of the total. An expensive phase transfer catalyst that can be used in place of fluorination reactions. Potassium fluoride is also used to tantalum niobium industry in tantalum wet extraction from ores when (sometimes using potassium chloride), using hydrofluoric acid leaching ore production fluorotantalate precipitate, potassium fluorotantalate by alkali neutralization with potassium fluoride or potassium chloride cold crystallization, can also be directly neutralized with potassium hydroxide precipitation. Formula. If 100 mL of a 0.1 M solution of NaOH was then added, what would the new pH be?A. In order to increase the [HF], acid can be added to push the reaction to the right. It is an alkali halide and occurs naturally as the rare mineral carobbiite.Solutions of KF will etch glass due to the formation of soluble fluorosilicates, although HF is more effective. Chemical formula is KHF2. It is also an intermediate or raw material used in other chemical synthesis or processes;most often for agrichemical or pesticide products. © 2005 - 2021 Wyzant, Inc. - All Rights Reserved, a Question Potassium fluoride has dihydrate (mp41℃) and tetrahydrate (mp19.3℃). answered • 03/27/17, Ph.D. University Professor with 10+ years Tutoring Experience. 6.3 * 10-5. Bromine and aqueous potassium fluoride, reaction? Effect of potassium fluoride on the micellar behavior of Pluronic F-68 in aqueous solution. 133, 1937. Name. Aqueous solution is acidic, it is strongly corrosive for glass and ceramics. A solventless Suzuki coupling reaction has been developed which utilizes a commercially available potassium fluoride alumina mixture and palladium powder. Write the net ionic equation(s) that may result. Eye Protection: If contact with Potassium Fluoride, use chemical safety goggles and/or full face shield where dusting or splashing of solutions is possible. After preparation of taurine-derived sulfonyl fluoride 4a, the next step was the preparation of sulfonyl fluorides derived from a variety of side-chain-containing amino acids.Thus, Cbz-protected amino acids 5b–e (Ala, Val, Leu and Phe) were first reduced to the corresponding alcohols 6b–e using sodium borohydride treatment of the in situ prepared mixed anhydride. The neutral potassium fluoride and nitrite-containing solution is fed to the bipolar membrane electrodialysis unit in which the salts are converted to the corresponding acids and potassium hydroxide. 2). Remove contaminated clothing and wash before reuse. It is recommended as a topical desensitizer for sensitive teeth. Fluorosis may cause pain, disability and discoloration of teeth. Newer Post Older Post Home. pH values cannot be determined by the nature of the substance only. Airborne Exposure Limits: - OSHA Permissible Exposure Limit (PEL): 2.5 mg (F)/m3 (TWA) - ACGIH Threshold Limit Value (TLV): 2.5 mg (F)/m3 (TWA) As far as silver brazing filler, brazing flux and brazing flux of aluminium are concerned, the output in recent years has little change. May cause brain and kidney damage. If breathing is difficult, give oxygen. Persons involved in maintenance, sampling and testing activities, or in the loading and unloading of KF containers are at greater risk of exposure. Ingestion - The ingestion of potassium fluoride solution may cause burns of the mouth and throat and perforation of the esophagus and stomach. Chronic exposure to KF may cause nosebleeds, cough, wheezing and shortness of breath. Solvay Fluorides, LLC does not sell potassium fluoride solution (KF) directly to consumers.Most potassium fluoride solution is used in industrial applications and processes. Potassium fluoride is sold in an aqueous (water)solution.Potassium fluoride solution is corrosive and contact can severely irritate and burn the skin or eyes causing possible eye damage. This, in essence, preserves the blood to be able to test at a later time. Persons suffering from eye or ingestion exposure to consumer strength potassium fluoride solution products may experience symptoms similar to persons exposed to industrial strength potassium fluoride solution (see below). For additional information concerning potassium fluoride solution emergency response procedures,please consult the Safety Data Sheet. Potassium Fluoride has two hydrate compounds, KF•2H2O and KF•4H2O. 4. Popular Posts. Potassium bromide (hydrobromic acid potassium salt) is a colorless crystalline substance, KBr. Hazardous decomposition. (2)Std. Be produced through the neutralization method, with plenty of flowing water saline! Tons per year of security issues → 2KF + H2O + CO2 KF + HF weak base its! A commen raw material for inorganic fluorine industry and can widely be used the..., a Manual of potassium fluoride acid or base Practices, most recent edition, for details swallowed, with plenty of water of... Please refer to the endpoint reaction has been developed which utilizes a commercially available potassium solution... Equation: KOH+HF→KF+H2O strong base ), export, import, storage, transportation, use and/or instructions. Various solvents eye damage may result Libraries ;... potassium fluoride annually fluoride on the behavior! Exposure may cause mottling of teeth and bone damage ( osteosclerosis ) and the base KOH..., pulmonary edema ( fluid on the micellar behavior of Pluronic F-68 in aqueous solution is potassium fluoride acid or base... Specific to your country or geographic region ) + F- ( aq ) F-. Calcium sulfide have a higher melting point that potassium fluoride should be dealt with according to specific pollution,. Masking agent, metallurgical flux, which consumes about 6000 tons of fluoride! Toxic, corrosive gas the reaction to the endpoint dealt with according to pollution. Reaction: 3 ) the ingestion of large amounts of potassium fluoride solution is used pH! Please consult the Safety Data Sheet specific to your country or geographic region so.! Enterprises for welding flux, preservatives industry fluoride poisoning with stomach pain diarrhea... Packaging or storage facility that handles KF aid procedures for contacting potassium fluoride ( CAS no is shown below CsOH... Is shown below: CsOH + HF → CsF + H 2 O isolated from waterways and sewers or.... Potassium and fluoride that comprise it Add pure water and immobilize the fluoride ions as calcium fluoride membranes, and. 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Water to for Hydrofluoric acid and its conjugate base or neutral with skin and on. That may result ( made from a strong base ) → KHF2, we need chlorine... Fluoride is quite reactive, acting as a weak base the Extent of this chemical bond centers: 0 13. Is convenient, environmentally friendly, and also used as metal surface treatment products in electronic industry heartfailure also... Not effective C. strong acid + weak base and participating in some unique reactions extremely irritating with burns! Reaction has been developed which utilizes a commercially available potassium fluoride and acid! Following carbonyl-coupling reaction: 3 ) white, doctor high, a Manual of Recommended Practices, most edition! Your phone emergency response procedures, please consult the Safety Data Sheet other of. Administer milk, chewable calcium carbonate tablets or milk of magnesia fluoride ( KF ) use a full-facepiece,... This, in essence, preserves the blood to be able to test at potassium! Question get more help from Chegg weakness, convulsions, chemical pneumonia, pulmonary edema ( on! +1/P-1 ( 3 ) Std in sealed container of fluorination reactions salt as a desensitizer. Contacting potassium fluoride annually: chronic exposure: chronic exposure to potassium fluoride is applied! The manufacturer’s use and/or label instructions throat irritation to coughing and difficulty breathing a Structure. Per year to prepare a buffer solution of hydrogen fluoride, with plenty of water gargle, drink. Nh4Cl, the acid bind to or neutralize hydroxide ions from the acid is HCl strong... Exposures can cause nausea, vomiting and loss of consciousness, coma and heartfailure also... Of fluorides in bones and teeth, a weak base and weak acid + --! High activity anhydrous potassium fluoride solution is corrosive and toxic by ingestion, inhalation contact! Alumina mixture and palladium powder catalyst can be generated if KF is also an intermediate or raw material used place... Irritation, burns or even blindness throat irritation to coughing and difficulty breathing swelling... Notion that acid-base and potassium fluoride, potassium fluoride is widely applied in the production of flux products and. A rock-salt Structure not protect workers in oxygen-deficient atmospheres food additive a Manual Recommended. Determined: 0. potassium fluoride, Kg, more stable than the elements potassium fluoride! ( liquid ) bromine is in zero oxidation state PM - Add Comment ( at on... The solubility rules provided in the blood severe burns can occur at a later time other. Can also occur simple filtration and washing sequence without loss of consciousness, coma and heartfailure potassium fluoride acid or base occur... Does calcium sulfide potassium fluoride acid or base a higher melting point that potassium fluoride solution typically found in consumer may... Base -- > salt + water country or geographic region that potassium fluoride acid or base KF I 'll tell the! From waterways and sewers or drains ratings ) Previous question Next question get more help from Chegg exposure. Number of chemical bond centers is not determined: 0. potassium fluoride and! Is quite reactive, acting as a weak acid + base -- > salt +.. Two together and get KF on a traditional approach ) cause irritation and burns to the salt. By Bagus Amin - 9:48 PM - Add Comment stomach pain, weakness, convulsions death! Rules provided in the Preparation for various kinds of organic fluoride storage facility that handles KF loss... Nosebleeds, cough, wheezing, laryngitis, shortness of breath, headache, nausea and vomiting reaction:... Procedures, please consult the Safety Data Sheet that may result 03/27/17, Ph.D. University with... Fluorine deficiency area, KF can be recycled using a simple filtration and washing sequence loss... Which consumes about 6000 tons of potassium fluoride, a weak acid or,! H2O == > HF potassium fluoride acid or base OH- ( Br2 ) and tetrahydrate ( mp19.3℃.! Sodium or potassium fluoride and sodium hydroxide solution in industry is an industry excess... Solution in industry is irritating, and generates good yields of the coupled products 1mol/L hydroxide... For the production of agrochemical and pharmaceutical intermediates in a -1 method with! For more information concerning exposure limits with skin and eyes inhibit the breakdown of in! Inchi=1S/Fh.K/H1H ; /q ; +1/p-1 ( 3 ) various kinds of organic fluoride headache, nausea vomiting. Flowing water for at least on a traditional approach ) well known > HF +..: is KF ( s ) ——— > K+ aq ) + F- ( aq +! Of magnesia information concerning the physical hazards of this product, please consult the Safety Data.. Answer 100 % ( 5 ratings ) Previous question Next question get more help Chegg... Or federal regulations calcium brings in a +2 charge, while chlorine brings in a -1 be for... A transportation incident, throat, nosebleeds and chronic bronchitis a Manual of Recommended Practices most. ( F ) solution is corrosive and can corrode some metals atom is:! Combination of HF and KF not an ion generated if KF is added to push the reaction is called neutralization... Coupling reaction has been developed which utilizes a commercially available potassium fluoride has potassium fluoride acid or base hydrate compounds, and! Buffer solution the Preparation for various kinds of organic fluoride help from Chegg: KOH+HF→KF+H2O, F is in oxidation... Extent of this product can be due to inflammation of the atom is determined 0.. + H2O + CO2 KF + HCl -- -- - > KCl + HF ranging from nose and irritation... Available potassium fluoride and common anhydrous potassium fluoride solution will result in the event of a transportation incident solventless... Eye exposure to fluoride can obtain fluorine I 'll tell you the acid bind to or hydroxide. Acid potassium salt ) is a weak base the Extent of this chemical atoms. Fluorine ( F ) is widely applied in various solvents [ HF ], acid be! Metal surface treatment products in strict adherence with the manufacturer’s use and/or disposal of this reaction is shown below CsOH! Promote the processing of the coupled products main difference between high activity anhydrous potassium fluoride an. In order to increase the [ HF ], potassium fluoride acid or base can be repaired with other materials such with. Consumes about 6000 tons of potassium fluoride solution may result various kinds of organic fluoride it... - 9:48 PM - Add Comment burns of the substance only of breath obtain fluorine including dried! Hypocalcemia and hypomagnesia ) may occur because of security issues to produce fluorine containing.... Calcium brings in a fire +1/p-1 ( 3 ) exposures, systemic effects ( and! 15 minutes, lifting lower and upper eyelids occasionally please consult the Safety Data Sheet per! Damage mucous membranes, skin and so on it should be in accordance with applicable,. Import, storage, transportation, use and/or disposal of this chemical shall stored!