Cupric chromate(VI)
Agent Name
Cupric chromate(VI)
CAS Number
13548-42-0
Formula
Cr-H2-O4.Cu
Major Category
Metals
Synonyms
Copper chromate; Copper chromium oxide (CuCrO4); Chromic acid (H2CrO4), copper(2+) salt (1:1); [ChemIDplus] Neutral cupric chromate; [Merck Index] Copper (II) chromate; [MSDSonline]
Category
Chromium Compounds, Inorganic
Description
Reddish-brown solid; Practically insoluble in water; [Merck Index] Brown crystalline powder; [MSDSonline]
Sources/Uses
Used in fungicides, seed protectants, wood preservatives, textile dyes (mordant), and textile preservatives; [Merck Index] Used as a preservative in wood and textile products; [Ullmann]
Comments
An irritant; May cause skin sensitization; [MSDSonline] See "Chromium " and linked occupational diseases.
Biomedical References
Exposure Assessment
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, as Cr(VI)
MAK
0.01 mg/m3, respirable fraction (Cu, inorganic cmpnds)
IDLH (NIOSH)
15 mg/m3, as Cr
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: