Strontium chromate

Synonyms

C.I. Pigment Yellow 32; Chromic acid (H2CrO4), strontium salt (1:1); Chromic acid, strontium salt (1:1); Strontium Yellow; Strontium chromate (1:1); Strontium chromate (SrCrO4); Strontium chromate (VI); Deep Lemon Yellow; [CHEMINFO] UN9149

Category

Chromium Compounds, Inorganic

Description

A light yellow powder or granular solid; [CAMEO] Insoluble in water; [ACGIH]

Sources/Uses

Use as a metal protective coating (corrosion inhibitor), a pigment in plastics, and a bath additive for electroplating; [ACGIH]

Comments

CrVI compounds are irritants, sensitizers, and may be corrosive to the skin. CrVI compounds are respiratory tract irritants and may cause pulmonary sensitization. CrVI may cause acute tubular necrosis and liver injury. [ATSDR Case Studies] Strontium chromate, a hexavalent chromium compound, is an animal carcinogen, but no studies have documented an increased cancer risk for exposed workers. [IARC] See "Chromium" and linked occupational diseases.

Biomedical References

Yes

0.0002 mg/m3, as Cr(VI), inhalable particulate matter

0.0005 mg/m3, as Cr(VI), inhalable particulate matter

0.005 mg/m3, as Cr(VI)

Yes

Yes

Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion

Yes

Skin burns

Established

Human carcinogen

Confirmed Human

Diseases

Occupational diseases associated with exposure to this agent:

• Asthma, occupational
• Chromium, chronic toxic effect
• Contact dermatitis, allergic

Processes

Industrial Processes with risk of exposure:

• Electroplating
• Leather Tanning and Processing