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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
UN numbers are assigned by a committee of the United Nations, the Economic and Social Council (ECOSOC) Committee of Experts (COE) on the Transport of Dangerous Goods which issues Recommendations on the Transport of Dangerous Goods (also called the Orange Book).