Arsenic trisulfide

Synonyms

Arsenic Red; Arsenic Sulfide Yellow; Arsenic Yellow; Arsenic sesquisulfide; Arsenic sesquisulphide; Arsenic sulfide (As0.4S0.6); Arsenic sulfide (As2S3); Arsenic sulphide; Arsenic tersulfide; Arsenic tersulphide; Arsenic trisulphide; Arsenious sulfide; Arsenious sulphide; Arsenous sulfide; Auripigment; Auripigmentum; C.I. 77086; C.I. Pigment Yellow 39; CI 77086; Diarsenic trisulfide; Diarsenic trisulphide; King's Gold; Pigment Yellow 39; Sekio; Shio; Yellow arsenic sulfide; [ChemIDplus] UN1557

Category

Arsenic Compounds, Inorganic

Description

Yellow or orange solid; [Merck Index] Yellow pieces with an odor of rotten eggs; [MSDSonline]

Sources/Uses

Used to make infrared-transmitting glass, pyrotechnics, pigments, oil cloth, linoleum, electrical semiconductors, and photoconductors; Also used for depilating hides and as a reducing agent and veterinary medication; [HSDB]

Comments

Structure from ChemFinder with formula as As4-S6; Merck and Hawley same as [ChemIDplus] (As2-S3); A skin, eye, and respiratory tract irritant; [HSDB] An irritant; [MSDSonline] See "Arsenic" and the linked occupational diseases.

Biomedical References

Inorganic arsenic plus methylated metabolites in urine = 35 ug As/L; end of workweek;

0.01 mg/m3, as As

0.01 mg/m3, as As

5 mg/m3, as As

will not burn

Aplastic anemia

Sensorimotor

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

Yes

Established

Human carcinogen

Confirmed Human

Diseases

Occupational diseases associated with exposure to this agent:

• Arsenic, chronic toxic effect

Processes

Industrial Processes with risk of exposure:

• Glass Manufacturing
• Leather Tanning and Processing
• Painting (Pigments, Binders, and Biocides)
• Semiconductor Manufacturing