hcl un number
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