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substance: hydrogen chloride trade names/synonyms: hydrochloric acid, anhydrous; hydrogen chloride; spirits of salt; muriatic acid; hydrochloric acid; hydrochloric acid gas; anhydrous hydrochloric acid; hydrogen chloride (hcl); un 1050 chemical family: halogenated, gas creation date: sept 20, 2009 revision date: dec. 15, 2009 2. composition, information on ingredients component: hydrogen chloride cas number: 7647-01-0 percentage: 100 3. hazards identification nfpa ratings (scale 0-4): health=3 fire=0 reactivity=1
Turn leaking cylinder with the leak up to prevent escape of gas in liquid state. Other UN numbers: 2186 (refridgerated liquid) hazard class: 2.3; subsidiary hazard: 8; 1789 (hydrochloric acid) hazard class: 8, pack group II or III. Aqueous solutions may contain up to 38% hydrogen chloride. Card has been partly updated in April 2005. See sections Occupational Exposure Limits, Emergency Response.