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CHROMOUS CHLORIDE

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The Chemical Identifier fields include common identification numbers, the NFPA diamond, U.S. Department of Transportation hazard labels, and a general description of the chemical. The information in CAMEO Chemicals comes from a variety of data sources.
CAS Number UN/NA Number
  • 10049-05-5
none
DOT Hazard Label USCG CHRIS Code
data unavailable
NIOSH Pocket Guide International Chem Safety Card
Chromium(II) compounds (as Cr)external link
NFPA 704
data unavailable
General Description
A white crystalline solid. The primary hazard is the threat to the environment. Immediate steps must be taken to prevent its spread to the environment. It is used to make other chemicals and as an oxygen absorbent.

The Hazard fields include special hazard alerts, air and water reactions, fire hazards, health hazards, a reactivity profile, and details about reactive groups assignments and potentially incompatible absorbents. The information in CAMEO Chemicals comes from a variety of data sources.
Reactivity Alerts
  • Strong Reducing Agent
  • Water-Reactive
  • Air-Reactive
Air & Water Reactions
Stable in dry air, but oxidizes rapidly in moist air or standing water with liberation of Hydrogen, [Merck, 11th ed., 1989]. Soluble in water.
Fire Hazard
No information available.
Health Hazard
DUST: Harmful if inhaled. SOLID: Irritating to skin and eyes. Harmful if swallowed. (USCG, 1999)
Reactivity Profile
Inorganic reducing agents, such as CHROMOUS CHLORIDE, react with oxidizing agents to generate heat and products that may be flammable, combustible, or otherwise reactive. Their reactions with oxidizing agents may be violent. Long storage of a chromous chloride solution culminated in an explosion. This was ascribed to the slow buildup of hydrogen gas that was produced by reduction of water by the Cr(II) ion [MCA Case History No. 1660].
Belongs to the Following Reactive Group(s)
Potentially Incompatible Absorbents

No information available.

The Response Recommendation fields include isolation and evacuation distances, as well as recommendations for firefighting, non-fire response, protective clothing, and first aid. The information in CAMEO Chemicals comes from a variety of data sources.
Isolation and Evacuation
No information available.
Firefighting
No information available.
Non-Fire Response
No information available.
Protective Clothing
Wear goggles, self-contained breathing apparatus, and rubber gloves. (USCG, 1999)
DuPont Tychem® Suit Fabrics
No information available.
First Aid
Call a physician.

INHALATION: Move to fresh air.

EYES: Flush with copious amounts of water.

SKIN: Wash with soap and plenty of water.

INGESTION: If conscious, make victim drink water or milk, then induce vomiting. (USCG, 1999)

The Physical Property fields include properties such as vapor pressure and boiling point, as well as explosive limits and toxic exposure thresholds. The information in CAMEO Chemicals comes from a variety of data sources.
Chemical Formula:
  • Cl2Cr
Flash Point: data unavailable
Lower Explosive Limit (LEL): data unavailable
Upper Explosive Limit (UEL): data unavailable
Autoignition Temperature: data unavailable
Melting Point: 1515 ° F (USCG, 1999)
Vapor Pressure: data unavailable
Vapor Density (Relative to Air): data unavailable
Specific Gravity: 2.751 at 57.2 ° F (USCG, 1999)
Boiling Point: data unavailable
Molecular Weight: 122.92 (USCG, 1999)
Water Solubility: data unavailable
Ionization Potential: data unavailable
IDLH: 250 mg/m3 [as Cr(II)] (NIOSH, 2016)

AEGLs (Acute Exposure Guideline Levels)

No AEGL information available.

ERPGs (Emergency Response Planning Guidelines)

No ERPG information available.

PACs (Protective Action Criteria)

Chemical PAC-1 PAC-2 PAC-3
Chromous chloride; (Chromium(II) chloride (1:2)) (10049-05-5) 3.5 mg/m3 62 mg/m3 370 mg/m3
(DOE, 2016)

The Regulatory Information fields include information from the U.S. Environmental Protection Agency's Title III Consolidated List of Lists, the U.S. Department of Homeland Security's Chemical Facility Anti-Terrorism Standards, and the U.S. Occupational Safety and Health Administration's Process Safety Management of Highly Hazardous Chemicals Standard List (see more about these data sources).

EPA Consolidated List of Lists

Regulatory Name CAS Number/
313 Category Code
EPCRA 302
EHS TPQ
EPCRA 304
EHS RQ
CERCLA RQ EPCRA 313
TRI
RCRA
Code
CAA 112(r)
RMP TQ
Chromium Compounds N090 & 313
Chromous chloride 10049-05-5 1000 pounds 313c

(EPA List of Lists, 2015)

DHS Chemical Facility Anti-Terrorism Standards (CFATS)

No regulatory information available.

OSHA Process Safety Management (PSM) Standard List

No regulatory information available.

This section provides a listing of alternate names for this chemical, including trade names and synonyms.
  • CHROMIUM CHLORIDE
  • CHROMIUM DICHLORIDE
  • CHROMIUM(II) CHLORIDE
  • CHROMOUS CHLORIDE

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