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Pigment Orange 77

Catalog Number DYE-PIG-0500
CAS Number 1324-11-4
Structure
Synonyms Cojanil Golden Yellow K, Mramorin Golden Yellow K, Rushpalit Golden Yellow K
Molecular Weight 490.14
Molecular Formula C24H10Br2O2
CI Number C.I.59105
Color brilliant red light orange
Main Molecular Structure anthraquinones
Preparation Method C.I.Vat Yellow 4 (C.I. 59100) for bromination, until the bromine content nearly 28%.
Properties Soluble in nitrobenzene, 1,2,3,4-Tetrahydronaphthalene and xylene, slightly soluble in Chloroform, 2-Chlorophenol, pyridine, acetone, ethanol, benzene and toluene

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