Agent Name | Chromyl chloride |
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Alternative Name | Chromium oxychloride |
CAS Number | 14977-61-8 |
Formula | Cl2-Cr-O2 |
Major Category | Metals |
Synonyms | Chlorochromic anhydride; Chlorure de chromyle [French]; Chromic oxychloride; Chromium (VI) dioxychloride; Chromium chloride oxide; Chromium chloride oxide (CrO2Cl2); Chromium dichloride dioxide; Chromium dioxide dichloride; Chromium oxychloride (CrO2Cl2); Chromium(VI) dioxychloride; Chromium, dichlorodioxo-; Chromoxychlorid [German]; Chromyl chloride (CrO2Cl2); Chromylchlorid [German]; Chroomoxychloride [Dutch]; Cromile, cloruro di [Italian]; Cromo, ossicloruro di [Italian]; Dichlorodioxochromium; Dioxodichlorochromium; Oxychlorure chromique [French]; [ChemIDplus] UN1758 |
Category | Chromium Compounds, Inorganic |
Description | Deep-red liquid with a musty, burning, acrid odor; Note: Fumes in moist air; [NIOSH] |
Sources/Uses | Used in organic synthesis, as a solvent for CrO3, and as a catalyst; [ACGIH] |
Comments | Liquid causes second or third degree burns after short contact; [CHRIS] Releases large amounts of HCl when spilled in water; [ERG 2012] No animal or human data available, but treated as a water soluble form of hexavalent chromium; Insufficient data for carcinogenicity notation; [ACGIH] A corrosive substance that can cause pulmonary edema after inhalation of vapor; [ICSC] Chronic exposure to hexavalent chromium may produce evidence of kidney and liver injury. [ATSDR Case Studies # 4] See "Chromium" and linked occupational diseases. |
Exposure Assessment | |
Skin Designation (ACGIH) | Insufficient data |
TIH | Yes |
Dangerous When Wet | Yes - A material that, by contact with water, is liable to become spontaneously flammable or to give off flammable or toxic gas at a rate greater than 1 L per kilogram of the material, per hour; [ERG 2004] |
Bioaccumulates | Yes |
TLV (ACGIH) | 0.02 ppm, as Cr |
Vapor Pressure | 20 mm Hg |
Explanatory Notes | See "2017 Notice of Intended Changes." [TLVs and BEIs] |
Reference Link | |
Adverse Effects | |
Skin Sensitizer | Yes |
Asthma | Yes |
Toxic Pneumonitis | Yes |
Hepatotoxin | Hepatotoxin, Secondary |
Nephrotoxin | Yes |
Dermatotoxin | Skin Burns |
IARC Carcinogen | Known Carcinogen |
NTP Carcinogen | Human Carcinogen |
Links to Other NLM Databases | |
Health Studies | Human Health Effects from Hazardous Substances Data Bank: |
Toxicity Information | |
Chemical Information | |
Related Information in HazMap | |
Diseases | Occupational diseases associated with exposure to this agent: |
Processes | Industrial Processes with risk of exposure: |