C.I. Pigment Red 49, calcium salt (2:1)
time:2015-09-03 22:27:44,count:0

C.I. Pigment Red 49, calcium salt (2:1)
Alias
C.I. Pigment Red 49:2
1-Naphthalenesulfonic acid, 2-((2-hydroxy-1-naphthalenyl)azo)-, calcium salt (2:1)
Category
Anionic surfactants-Sulfonate
CAS No.
1103-39-5
Molecular Formula & Molecular Weight
Molecular Formula: C40H26CaN4S2O8
Molecular Weight: 794.86
Structural Formula
Properties
Appearance: solid.
Solubility: insoluble 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, dyeing 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 pigment. eg: printing inks, paints, polymers.
Manufacturers
 

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