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Ammonium Hydrogen DifluorideLC240 Ammonium hydrogen difluoride pure Order number Packaging Quantity Price AC27240 Plastic bottle 5 kg Inquire AC27240 Fibre carton 50 kg Inquire Product information Synonyms Ammonium bifluoride Hill Formula H5F2N Chemical formula (NH4)HF2 HS Code 2826 19 10 EC number 215-676-4 Molar mass 57.04g/mol EC index number 009-009-00-4 CAS number 1341-49-7 Chemical and physical data Solubility 630g/l (20C) Melting point 126C Molar mass 57.04g/mol Density 1.5g/cm3 (20C) Bulk density 750kg/m3 pH value 2 (5.7g/l, H2O, 20C) Boiling point 230C(decomposition) Vapor pressure 1hPa (20C) Safety information according to GHS Hazard Statement(s) H301: Toxic if swallowed.H314: Causes severe skin burns and eye damage. Precautionary Statement(s) P280: Wear protective gloves/protective clothing/eye protection/face protection.P301 + P330 + P331: IF SWALLOWED: rinse mouth. Do NOT induce vomiting.P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Signal Word Danger Hazard Pictogram(s) Storage class 6.1B Non combustible substances, toxic WGK WGK 1 slightly water endangering Disposal 23Hydrogen fluoride and inorganic fluorides as well as solutions thereof must be handled with extreme caution. Do not permit contact of any kind under any circumstances and be sure to work under an efficient fume cupboard with the front screen closed. Residues dissolved in water can be precipitated as calcium fluoride. Solids or precipitate: container I; filtrate: container D or E. Safety information R Phrase R 25-34Toxic if swallowed.Causes burns. S Phrase S 22-26-37-45Do not breathe dust.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable gloves.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). श्रेणियाँ of danger toxic, corrosive Hazard Symbol Toxic Toxic Transport information Declaration (transport by sea) IMDG-Code UN 1727 AMMONIUM HYDROGENDIFLUORIDE, SOLID, 8, II, Segregation Group: 1 (Acids), 2 (Ammonium compounds) Declaration (transport by air) IATA-DGR UN 1727 AMMONIUM HYDROGENDIFLUORIDE, SOLID, 8, II Toxicological data LD 50 oral LD50 rat 130 mg/kg