Chromium(III), insoluble salts
CASRN 16065-83-1 | DTXSID2023981
- Toxicological Review (PDF) (77 pp, 497 K)
- IRIS Summary (PDF) (17 pp, 136 K)
Noncancer Assessment
Reference Dose for Oral Exposure (RfD) (PDF) (17 pp, 136 K)
Last Updated: 09/03/1998
| System | RfD (mg/kg-day) | Basis | PoD | Composite UF | Confidence |
|---|---|---|---|---|---|
| Other | 1.5 | No effects observed |
NOAEL
(ADJ): 1.468 x 103 mg/kg-day |
100
MF: 10 |
Low |
Reference Concentration for Inhalation Exposure (RfC) (PDF) (17 pp, 136 K)
Last Updated: 09/03/1998
Information reviewed but value not estimated.
Cancer Assessment
Weight of Evidence for Cancer (PDF) (17 pp, 136 K)
Last Updated: 09/03/1998
| WOE Characterization | Framework for WOE Characterization |
|---|---|
| D (Not classifiable as to human carcinogenicity) | Guidelines for Carcinogen Risk Assessment (U.S. EPA, 1986) |
| Carcinogenic potential cannot be determined | Proposed Guidelines for Carcinogen Risk Assessment (U.S. EPA, 1996) |
- Applying the criteria for evaluating the overall weight-of-evidence for carcinogenicity to humans outlined in EPA's guidelines for carcinogen risk assessment (U.S. EPA, 1986), trivalent chromium is most appropriately designated a Group D -- Not classified as to its human carcinogenicity. Using the Proposed Guidelines for Carcinogen Risk Assessment (EPA, 1996), there are inadequate data to determine the potential carcinogenicity of trivalent chromium, as discussed below. However, the classification of hexavalent chromium as a known human carcinogen raises a concern for the carcinogenic potential of trivalent chromium.
- This may be a synopsis of the full weight-of-evidence narrative.
Quantitative Estimate of Carcinogenic Risk from Oral Exposure (PDF) (17 pp, 136 K)
Not assessed under the IRIS Program.
Quantitative Estimate of Carcinogenic Risk from Inhalation Exposure (PDF) (17 pp, 136 K)
Not assessed under the IRIS Program.
Additional EPA toxicity information may be available by visiting the following sites:
- Human Health Benchmarks for Pesticides (HHBP). This database provides human health benchmarks for pesticides that may be present in drinking water.
- Office of Pesticide Programs Pesticide Chemical Search. This database provides links to health effects information and registration status for pesticides.
- Chemistry Dashboard. This database provides information on chemical structures, experimental and predicted physicochemical, and toxicity data.
You will need Adobe Reader to view some of the files on this page. See EPA’s PDF page to learn more.
Chemical Structure for
Chromium(III), insoluble salts
