Sodium metaarsenite
[CAS# 7784-46-5]

Identification

• Classification: Analytical chemistry >> Standard >> Titration standard
• Name: Sodium metaarsenite
• Molecular Formula: NaAsO₂
• Molecular Weight: 129.91
• CAS Registry Number: 7784-46-5
• EC Number: 232-070-5

Properties

• Density: 1.87 g/cm^3*

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

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	3	H331
Carcinogenicity	Carc.	1A	H350
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Acute toxicity	Acute Tox.	3	H301
Acute toxicity	Acute Tox.	3	H311
Acute toxicity	Acute Tox.	2	H300
Acute toxicity	Acute Tox.	2	H310
Acute toxicity	Acute Tox.	3	H310
Acute toxicity	Acute Tox.	4	H312
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Specific target organ toxicity - repeated exposure	STOT RE	1	H372
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412