Roxarsone
[CAS# 121-19-7]

Identification

• Classification: Chemical reagent >> Organic reagent >> Nitro compound
• Name: Roxarsone
• Synonyms: 3-Nitro-4-hydroxyphenylarsonic acid; 4-Hydroxy-3-nitrobenzenearsonic acid
• Molecular Formula: C₆H₆AsNO₆
• Molecular Weight: 263.04
• CAS Registry Number: 121-19-7
• EC Number: 204-453-7

Properties

• Melting point: >300 °C
• Water solubility: <0.1 g/100 mL at 23 °C

Safety Data

• Hazard Symbols: T;N
• Risk Statements: R23/25;R50/53
• Safety Statements: S20/21;S28;S45;S60;S61

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
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	H331
Carcinogenicity	Carc.	1A	H350

• Transport Information: UN 3465