Tetraarsenic tetrasulfide
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.
Biomedical References
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
Anemia
Aplastic anemia
Neurotoxin
Sensorimotor
Hepatotoxin
Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion
Reproductive Toxin
Yes
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: