Agent Name

Silver chromate

CAS Number

7784-01-2

Formula

Ag.1/2Cr-H2-O4

Major Category

Metals

Synonyms

Silver chromate(VI); Chromic acid (H2CrO4), disilver(1+) salt; Chromic acid (H2CrO4), silver(1+) salt (1:2); [ChemIDplus] Silver (I) chromate; [MSDSonline] UN1479

Category

Chromium Compounds, Inorganic

Description

Dark brownish-red solid; Insoluble in water; [Hawley] Red-brown odorless powder; Slightly soluble in water; [MSDSonline]

Sources/Uses

Used as catalyst to make aldol from alcohol; [Merck Index] Used as lab reagent; [Hawley] Used in the photographic industry; [Ullmann]

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] Oxidizing agent; May cause fire on contact with combustible material; An irritant; [MSDSonline] See "Chromium" and linked occupational diseases.

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, inhalable fraction, as Ag

IDLH (NIOSH)

, as Cr

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Oxidizing solid, n.o.s."

Adverse Effects
Skin Sensitizer

Yes

Asthma

Yes

Hepatotoxin

Hepatotoxin, Secondary

Nephrotoxin

Yes

Dermatotoxin

Skin Burns

IARC Carcinogen

Known Carcinogen

NTP Carcinogen

Human Carcinogen

ACGIH Carcinogen

Confirmed Human

Links to Other NLM Databases
Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: