Potassium dihydrogen arsenate
[CAS# 7784-41-0]

Identification

• Name: Potassium dihydrogen arsenate
• Synonyms: Monopotassium dihydrogen arsenate
• Molecular Formula: KH₂AsO₄
• Molecular Weight: 180.03
• CAS Registry Number: 7784-41-0
• EC Number: 232-065-8

Properties

• Density: 2.9 g/cm^3*
• Melting point: 288 ºC^*
• Refractive index: 1.518^**

^* "International Chemical Safety Cards" data were obtained from the National Institute for Occupational Safety and Health (US)

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

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Acute toxicity	Acute Tox.	3	H331
Acute toxicity	Acute Tox.	3	H301
Carcinogenicity	Carc.	1A	H350