Zinc potassium chromate
Agent Name
Zinc potassium chromate
CAS Number
11103-86-9
Formula
Cr2-H-O9-Zn2.K
Major Category
Metals
Synonyms
Chromate(1-), hydroxyoctaoxodizincatedi-, potassium; Chromic acid, potassium zinc salt (2:1:2); Potassium zinc chromate; Potassium zinc chromate hydroxide; Zinc yellow; [ChemIDplus]
Category
Chromium Compounds, Inorganic
Description
Greenish-yellow solid; [Hawley] Yellow powder that is sparingly soluble; [Ullmann]
Sources/Uses
Used for rust-inhibiting coatings and artists' paints; [Hawley]
Comments
May cause skin sensitization; [eChemPortal: ERMA] See "Zinc chromate." See "Chromium " and linked occupational diseases.
Biomedical References
Exposure Assessment
Skin Designation (ACGIH)
Yes
TLV (ACGIH)
0.0001 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/m3 Ceiling(OSHA) = 0.1 mg/m3, as CrO3
MAK
0.1 mg/m3 (respirable fraction), 2 mg/m3 (inhalable fraction) for Zn inorg. Compds
Adverse Effects
Skin Sensitizer
Yes
Asthma
Yes
Hepatotoxin
Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion
Nephrotoxin
Yes
Dermatotoxin
Skin burns
IARC Carcinogen
Established
NTP Carcinogen
Human carcinogen
ACGIH Carcinogen
Confirmed Human
Diseases, Processes, and Activities Linked to This Agent
Diseases
Occupational diseases associated with exposure to this agent:
Processes
Industrial Processes with risk of exposure:
Activities
Activities with risk of exposure: