C.I. Acid Red 33
[CAS# 3567-66-6]

Identification

• Classification: Dyes and pigments >> Dyes >> Acid dyestuff
• Name: C.I. Acid Red 33
• Synonyms: Hispacid Fuchsin B; Japan Red 227; Japan Red No. 227; Naphthalene Red B; Puricolor Red ARE 33; 5-Amino-4-hydroxy-3-(phenylazo)-2,7-naphthalenedisulfonic acid disodium salt
• Molecular Formula: C₁₆H₁₁N₃O₇S₂.₂Na
• Molecular Weight: 467.39
• CAS Registry Number: 3567-66-6
• EC Number: 222-656-9

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412
Specific target organ toxicity - single exposure	STOT SE	3	H335