Acid Black 1
time:2015-08-25 17:02:06,count:0

Acid Black 1
Alias
C.I. Acid Black 1
CI 20470
2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-((4-nitrophenyl)azo)-6-(phenylazo)-, disodium salt
D&C Black 1
Category
Zwitterionic surfactants-Amino sulfonic acid
CAS No.
1064-48-8
Molecular Formula & Molecular Weight
Molecular Formula: C22H14N6Na2S2O9
Molecular Weight: 616.49
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. eg: personal care products.
Manufacturers
 

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