C.I. Acid Yellow 23 free acid
time:2015-09-08 19:11:59,count:0

C.I. Acid Yellow 23 free acid
Alias
4,5-Dihydro-5-oxo-1-(4-sulphophenyl)-4-((4-sulphophenyl)azo)-1H-pyrazole-3-carboxylic acid
Category
Zwitterionic surfactants-Amino sulfonic acid
CAS No.
34175-08-1
Molecular Formula & Molecular Weight
Molecular Formula: C16H12N4S2O9
Molecular Weight: 468.42
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, coloring 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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