Nickel and Nickel Compounds

CAS Number

7440-02-0

Synonym

Nickel 200; Nickel 201; Nickel 205; Nickel 207; Carbonyl nickel powder; Ni

Occurrence/Use

Alloys (low-alloy steels, stainless steel, copper and brass, permanent magnets, electrical resistance alloys), electroplated protective coatings, electroformed coatings, alkaline storage batteries, fuel cell electrodes, catalyst for methanation of fuel gases and hydrogenation of vegetable oils; component of tobacco smoke

Nickel

Child-Specific Reference Dose

Child-specific refence dose (chRD) (mg/kg-day, unless noted): 1.1 E-2
Last chRD revision: 12/2005
chRD Comments:

OEHHA 2005. Child-Specific Reference Doses (chRDs) for School Site Risk Assessment: Cadmium, Chlordane, Heptachlor, Heptachlor epoxide, Methoxychlor and Nickel.

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: 2.6 E-4
Inhalation Slope Factor (mg/kg-day)-1: 9.1 E-1
Comments/References:

OEHHA 2009. Air Toxics Hot Spots Program Technical Support Document for Cancer Potencies. Appendix B. Chemical-specific summaries of the information used to derive unit risk and cancer potency values. Updated 2011.

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.
OEHHA 2012. Nickel Reference Exposure Levels.

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.
OEHHA 2013. Technical Support Document for Noncancer RELs, Appendix D1. Updated July 2014. Listed as Nickel & nickel compounds.

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.
OEHHA 2012. Nickel Reference Exposure Levels. Listed as Nickel & nickel compounds (except nickel oxide for chronic inhalation exposures).

Proposition 65

Chemical Status

Cancer: Currently listed

Cancer

Cancer - Listing Mechanism
Labor Code
Listed as causing : Listed as causing: Cancer
Date of Listing:

Comments

'Nickel acetate', 'Nickel carbonate', 'Nickel carbonyl', 'Nickel compounds', 'Nickel hydroxide', 'Nickelocene', 'Nickel oxide', 'Nickel refinery dust from the pyrometallurgical process', and 'Nickel subsulfide' listed separately.

Public notices related to this chemical

Water

California Public Health Goals Data

Health Risk Category: Developmental toxicity (increased neonatal deaths)
Public Health Goal (mg/L): 0.012
Public Health Goal - Download: nickel82001.pdf
Cancer Risk at PHG: n/a
MCL value (mg/L): 0.1
Cancer Risk at MCL: n/a
Last PHG Revision : 2001
California PHG Comments:

Not considered an oral carcinogen; PHG based on reproductive toxicity.  PHG applies to soluble nickel compounds.