3-[(2-Arsonophenyl)azo]-4,5-dihydroxy-2,7-naphthalenedisulfonic acid disodium salt
[CAS 3547-38-4]

Identification

• Classification: Analytical chemistry >> Standard >> Spectrometric standard
• Name: 3-[(2-Arsonophenyl)azo]-4,5-dihydroxy-2,7-naphthalenedisulfonic acid disodium salt
• Molecular Formula: C₁₆H₁₁AsN₂O₁₁S₂.₂Na
• Molecular Weight: 592.30
• CAS Registry Number: 3547-38-4
• EC Number: 222-600-3

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
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
Acute toxicity	Acute Tox.	3	H331
Carcinogenicity	Carc.	1A	H350