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Pigment Blue 22

Catalog Number DYE-PIG-0293
CAS Number 1324-27-2
Structure
Synonyms Rubber Blue GD
Molecular Weight 476.87
Molecular Formula C28H13ClN2O4
CI Number C.I.69810
Color red light navy blue.
Lightfastness Excellent
Main Molecular Structure anthraquinones
Preparation Method C.I.Vat Blue 4, C.I. 69800 with Sulfuryl chloride chlorination.
Properties Soluble in 2-Chlorophenol, slightly soluble in Chloroform and Azabenzene, not soluble in acetone, alcohol and toluene. In concentrated sulfuric acid for yellow brown, dilution for blue; In the basic insurance powder solution for blue; In the acidic insurance powder solution for red light blue.
Soap Micelle Bleeding No

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