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LC190 Acetylenecarboxylic acid for synthesis Order number Packaging Quantity Price AC27190 Glass bottle 10 ml 49.05 Product information Synonyms Propiolic Acid, Propargylic acid Hill Formula C3H2O2 HS Code 2916 19 95 EC number 207-437-8 Molar mass 70.04g/mol CAS number 471-25-0 Chemical and physical data Solubility (20C)soluble Melting point 18C Molar mass 70.04g/mol Density 1.136g/cm3 (20C) Boiling point 153-157C (1013hPa)(decomposition) Flash point 153-157C (1013hPa)(decomposition) Safety information according to GHS Hazard Statement(s) H226: Flammable liquid and vapour.H301: Toxic if swallowed.H314: Causes severe skin burns and eye damage.H335: May cause respiratory irritation. 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.P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. Signal Word Danger Hazard Pictogram(s) Storage class 6.1A Combustible substances, toxic WGK WGK 3 highly water endangering Disposal 4Liquid organic acids or solutions should be diluted, if necessary, and carefully neutralized with sodium hydrogen carbonate (Cat. No. 106323) or with sodium hydroxide (Cat. No 106462). Before filling into container D, check the pH with pH universal indicator strips (Cat. No. 109535). Safety information R Phrase R 25-34-37Toxic if swallowed.Causes burns.Irritating to respiratory system. S Phrase S 26-36/37/39-45In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.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 Transport information Declaration (transport by sea) IMDG-Code UN 2920 CORROSIVE LIQUID, FLAMMABLE, N.O.S.(ACETYLENE CARBOXYLIC ACID), 8 (3), II Declaration (transport by air) IATA-DGR UN 2920 CORROSIVE LIQUID, FLAMMABLE, N.O.S.(ACETYLENE CARBOXYLIC ACID), 8 (3), II Toxicological data LD 50 oral LD50 rat 100 mg/kg Specifications Assay(HPLC, area%) 97% Identity(IR) passes test