| Agent Name | Chromium chromate |
|---|---|
| CAS Number | 41261-95-4 |
| Formula | Cr-H2-O4.x-Cr |
| Major Category | Metals |
| Synonyms | Chromium chromate (H2CrO4); Chromic acid (H2CrO4), chromium salt; [ChemIDplus] Chromic chromate; Chromic acid [H2CrO4], chromium(3+) salt (3:2); [IARC] |
| Category | Chromium Compounds, Inorganic |
| Description | Dark purple to black solid; Sparingly soluble in water; [HSDB] |
| Sources/Uses | Used in chromate coatings and as a corrosion inhibitor for zinc, cadmium, and magnesium; [HSDB] |
| Comments | See "Chromic acid." See "Chromium" and linked occupational diseases. |
| Exposure Assessment | |
| BEI | For chromium (VI), water-soluble fume: Total Cr in urine = 10 ug/L (increase during shift) or 25 ug/L (end of shift at end of workweek) |
| Skin Designation (ACGIH) | Yes |
| TLV (ACGIH) | 0.0002 mg/m3, as Cr(VI), inhalable particulate matter |
| STEL (ACGIH) | 0.0005 mg/m3, as Cr(VI), inhalable particulate matter |
| PEL (OSHA) | 0.005 mg/m3Ceiling(OSHA) = 0.1 mg/m3, as CrO3 |
| IDLH (NIOSH) | 15 mg/m3, as Cr(VI) |
| Adverse Effects | |
| Skin Sensitizer | Yes |
| Asthma | Yes |
| Hepatotoxin | Hepatotoxin, Secondary |
| Nephrotoxin | Yes |
| Dermatotoxin | Skin Burns |
| IARC Carcinogen | Known Carcinogen |
| NTP Carcinogen | Human Carcinogen |
| ACGIH Carcinogen | Confirmed Human |
| Links to Other NLM Databases | |
| Health Studies | Human Health Effects from Hazardous Substances Data Bank: |
| Toxicity Information | |
| Chemical Information | |
| Biomedical References | |
| Related Information in HazMap | |
| Diseases | Occupational diseases associated with exposure to this agent: |
| Processes | Industrial Processes with risk of exposure: |
Agent Name
Chromium chromate
CAS Number
41261-95-4
Formula
Cr-H2-O4.x-Cr
Major Category
Metals
Synonyms
Chromium chromate (H2CrO4); Chromic acid (H2CrO4), chromium salt; [ChemIDplus] Chromic chromate; Chromic acid [H2CrO4], chromium(3+) salt (3:2); [IARC]
Category
Chromium Compounds, Inorganic
Description
Dark purple to black solid; Sparingly soluble in water; [HSDB]
Sources/Uses
Used in chromate coatings and as a corrosion inhibitor for zinc, cadmium, and magnesium; [HSDB]
Comments
See "Chromic acid." See "Chromium" and linked occupational diseases.
Exposure Assessment
BEI
For chromium (VI), water-soluble fume: Total Cr in urine = 10 ug/L (increase during shift) or 25 ug/L (end of shift at end of workweek)
Skin Designation (ACGIH)
Yes
TLV (ACGIH)
0.0002 mg/m3, as Cr(VI), inhalable particulate matter
STEL (ACGIH)
0.0005 mg/m3, as Cr(VI), inhalable particulate matter
PEL (OSHA)
0.005 mg/m3Ceiling(OSHA) = 0.1 mg/m3, as CrO3
IDLH (NIOSH)
15 mg/m3, as Cr(VI)
Adverse Effects
Skin Sensitizer
Yes
Asthma
Yes
Hepatotoxin
Hepatotoxin, Secondary
Nephrotoxin
Yes
Dermatotoxin
Skin Burns
IARC Carcinogen
Known Carcinogen
NTP Carcinogen
Human Carcinogen
ACGIH Carcinogen
Confirmed Human
Links to Other NLM Databases
Toxicity Information
Chemical Information
Biomedical References
Related Information in HazMap
Diseases
Occupational diseases associated with exposure to this agent: