C.I. Pigment Red 193
Alias
Pigment Red 193
C.I. 16185:1
Acid red 27 aluminum lake
2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-((4-sulfo-1-naphthalenyl)azo)-, aluminum complex
Category
Anionic surfactants-Sulfonate
CAS No.
12227-62-2
Structural Formula
Schematic 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, coloring abilities.
Synthesis
Quality standards & test methods
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item
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physical and chemical indexes
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test methods
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Actives*, %, ≥
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95
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*: should be marked on molecular weight.
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Major Uses
Use as pigment.
Hair dyeing agent in personal care products.
Manufacturers