Direct Blue 71
[CAS# 4399-55-7]

Identification

• Classification: Dyes and pigments >> Dyes >> Direct dye
• Name: Direct Blue 71
• Synonyms: C.I. 34140; Tetrasodium 3-[[4-[[4-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-6-sulphonato-1-naphthyl]azo]-1-naphthyl]azo]naphthalene-1,5-disulphonate
• Molecular Formula: C₄₀H₂₃N₇Na₄O₁₃S₄
• Molecular Weight: 1029.86
• CAS Registry Number: 4399-55-7
• EC Number: 224-531-4

Safety Data

• Safety Statements: S24/25

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319