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Pigment Red 181

Catalog Number DYE-PIG-0398
CAS Number 2379-74-0
Synonyms AP Pink 1, Cosmetic Pink RCO1, Oracet Pink RF
Molecular Weight 393.31
Molecular Formula C18H10Cl2O2S2
Application For air dry or PFM paint, nitro cellulose paint, epoxy resin paint, polyurethane and polyester paint, etc. Suitable for almost all plastic coloring
CI Number C.I.73360
Color brilliant yellow red
Main Molecular Structure Thioindigo
Preparation Method 6-Bromo-4-methylbenzo[b]thiophen-3(2H)-one {the method amide route (FIAT1313, 2192) or with Herz sulfur dichloride method (FIAT 764-PB 25626, fr. 2069) system} oxidation.
Properties Insoluble in water and general organic solvent.

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