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Agent Name Nitrosyl chloride
CAS Number 2696-92-6
Formula Cl-N-O
Major Category Toxic Gases & Vapors
Synonyms Nitrogen chloride oxide; Nitrogen oxychloride; Nitrosonium chloride; UN1069; [ChemIDplus]
Category Acid Halides
Description Reddish-yellow liquid/crystals or yellow gas with a choking odor; [HSDB]
Sources/Uses Used as a flour bleaching agent and a chemical intermediate; a byproduct formed during the use of aqua regia; [HSDB] Aqua regia is a mixture of 1 part nitric acid and 3 to 4 parts of hydrochloric acid used in metallurgy to test metals and to dissolve platinum, gold, and other metals. [Hawley]
Comments Inhalation of high concentrations can cause pulmonary edema; [HSDB] Reacts with water to form hydrochloric acid; [CAMEO] Corrosive to skin and eyes; [NJ-HSFS]
Exposure Assessment
Skin Designation (ACGIH) Not evaluated
TIH Yes
Vapor Pressure 2410 mm Hg
Explanatory Notes Boiling point = 21.6 degrees F; [CAMEO]
Adverse Effects
Toxic Pneumonitis Yes
Dermatotoxin Skin Burns
Links to Other NLM Databases
Health Studies Human Health Effects from Hazardous Substances Data Bank: NITROSYL CHLORIDE  
Toxicity Information Search TOXNET
Chemical Information Search ChemIDplus
Related Information in Haz-Map
Diseases Occupational diseases associated with exposure to this agent:





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Last updated: January, 2009