Nickel Subsulfide
CAS Number
12035-72-2Synonym
Heazlewoodite; Nickel sulfide; Nickel tritadisulphide; Trinickel disulphide
Occurrence/Use
Component of nickel refinery dust
Soil Screening
| Last CHHSL revision: | 1/2005 |
|---|---|
| CHHSL Comments: |
For chemical-specific screening levels for use in assessing contaminated sites, please see HHRA Note 3 (DTSC HERO). https://www.dtsc.ca.gov/assessingrisk/humanrisk2.cfm |
Cancer Potency Information
| Inhalation Unit Risk (μg/cubic meter)-1: | 4.8 E-4 |
|---|---|
| Inhalation Slope Factor (mg/kg-day)-1: | 1.7 E+0 |
| Oral Slope Factor (mg/kg-day)-1: | 1.7 E+0 |
| Comments/References: |
US EPA 1987. IRIS Database: Nickel Subsulfide.
Note: This value was used as the basis of the No Significant Risk Level that was adopted in Title 22 California Code of Regulations, Section 12705, Subsection (b) for the purposes of the Safe Drinking Water and Toxic Enforcement Act of 1986 (Proposition 65). |
Air
Acute RELs
| Acute REL (μg/m3): | 0.2 |
|---|---|
| Species: | Mouse |
| Acute REL Toxicologic Endpoint: | Depressed antibody response |
| Acute REL Target Organs: | Immune system |
| Last Acute REL Revision: | 2012 |
| Acute Reference Exposure Levels Comments: |
Inhalation concentrations as micrograms Ni/m3. |
8-Hour RELs
| 8-Hour Inhalation REL (μg/m3): | 0.06 |
|---|---|
| Last 8-Hour REL Revision: | 2012 |
| 8-Hour Reference Exposure Levels Comments: |
Inhalation concentrations as micrograms Ni/m3. |
Chronic REL
| Chronic Inhalation REL (μg/m3): | 0.014 (inhalation); 11 μg/kg BW-day (oral) |
|---|---|
| Chronic Target Organs: | Inhalation: Respiratory system, hematologic system. Oral: Development |
| Human Data: | No |
| Last Chronic REL Revision: | 2012 |
| Chronic Reference Exposure Levels Comments: |
Inhalation concentrations as micrograms Ni/m3; oral dose as micrograms Ni/kg-day. |
Proposition 65
Chemical Status
| Cancer: | Currently listed |
|---|
Cancer
| Listed as causing : | Listed as causing: Cancer |
|---|---|
| Date of Listing: |
Safe Harbor Levels
| Cancer |