TranslateChromium (III) Compounds (as Cr)
General Description
- Synonyms: Chrome; Chromium Phosphate; Chromium Carbonate; Chromium Acetate
- OSHA IMIS Code Number: C113
- Chemical Abstracts Service (CAS) Registry Number: 7440-47-3
- NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: GB4200000; 25915
- Chemical Description and Physical Properties:
- Appearance and odor vary depending on specific compound
- molecular weight: 52.00
- molecular formula: Cr
Exposure Limits
- OSHA Permissible Exposure Limit (PEL):
- General Industry: 29 CFR 1910.1000 Z-1 Table -- 0.5 mg/m3 TWA (Chromium (III) compounds, (as Cr))
- Construction Industry: 29 CFR 1926.55 Appendix A -- 0.5 mg/m3 TWA (Chromium (III) compounds, (as Cr))
- Shipyard Employment: 29 CFR 1915.1000 Table Z-Shipyards -- 0.5 mg/m3 TWA (Chromium (III) compounds, (as Cr))
- American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV) (1991): 0.5 mg/m3 TWA; A4
- National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 0.5 mg/m3 TWA
Health Factors
- NIOSH Immediately Dangerous To Life or Health Concentration (IDLH): 250 mg/m3
- International Agency for Research on Cancer (IARC): Chromium and Chromium Compounds - Group 3, not classifiable as to its carcinogenicity to humans (Trivalent Chromium Compounds)
Monitoring Methods used by OSHA
Primary Laboratory Sampling/Analytical Method (SLC1):
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