Agent Name

Tetraarsenic tetrasulfide

CAS Number

12279-90-2

Formula

As4-S4

Major Category

Metals

Synonyms

2,4,6,8-Tetrathia-1,3,5,7-tetraarsatricyclo(3.3.0.0)octane; Red arsenic sulfide; Realgar; Red orpiment; Ruby arsenic; Red arsenic glass; Arsenic sulfide; C.I. Pigment Yellow 39; C.I. 77085; [Merck Index]

Category

Arsenic Compounds, Inorganic

Description

Deep red solid; Practically insoluble in water; [Merck Index]

Sources/Uses

Used in paints (pigment) and fireworks; Also used in dyeing calico and depilating and tanning hides; [Merck Index]

Comments

See "Arsenic trisulfide." See "Arsenic" and the linked occupational diseases.

Exposure Assessment
BEI

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

TLV (ACGIH)

0.01 mg/m3, as As

PEL (OSHA)

0.01 mg/m3, as As

IDLH (NIOSH)

5 mg/m3, as As

Adverse Effects
Reproductive Toxin

Yes

Neurotoxin

Sensorimotor Neuropathy

Hepatotoxin

Hepatotoxin, Secondary

Anemia

Anemia, Aplastic

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: