Arsenous triiodide
[CAS# 7784-45-4]

Identification

• Classification: Inorganic chemical industry >> Inorganic salt >> Metal halides and halides >> Metal iodide and salt
• Name: Arsenous triiodide
• Synonyms: Arsenic triiodide; Arsenic(III) iodide; Arsenous iodide; Triiodoarsine
• Molecular Formula: AsI₃
• Molecular Weight: 455.64
• CAS Registry Number: 7784-45-4
• EC Number: 232-068-4

Properties

• Density: 4.688 g/cm³ (25 ºC)^*
• Melting point: 145 ºC^**
• Boiling point: 424 ºC^*
• Refractive index: 2.59^*

^* "Hazardous Substances Data Bank" data were obtained from the National Library of Medicine (US)

^** Cullen, W. R.; Canadian Journal of Chemistry 1960, V38, P445-51.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	3	H331
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Acute toxicity	Acute Tox.	3	H301
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410