Direct Blue 75
time:2015-08-09 18:30:37,count:0

Direct Blue 75
Alias
C.I. Direct Blue 75
C.I. 34220
2-Naphthalenesulfonic acid, 5-(2-(1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl)diazenyl)-8-(2-(6-sulfo-4-(2-(3-sulfophenyl)diazenyl)-1-naphthalenyl)diazenyl)-, sodium salt (1:4)
Category
Zwitterionic surfactants-Amino sulfonic acid
CAS No.
6428-60-0
Molecular Formula & Molecular Weight
Molecular Formula: C42H25N7Na4S4O13
Molecular Weight: 1055.91
Structural Formula
Properties
Appearance: solid.
Solubility: soluble in water.
Stability: stable.
Risk: irritation, irritation to skin, eye.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent masking, dispersing abilities.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
actives*, %, ≥
95
 
*: should be marked on molecular weight.
Major Uses
Use as dye.
Manufacturers
 

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