Pigment Red 198
Name:C.I.Pigment Red 198,C.I.73390
Molecular Structure: Thioindigo
Molecular Formula:C18H10Cl2O2S2
Molecular Weight: 393.31
CAS Registry Number:6371-31-9
Manufacturing Methods :using Chlorosulfonic acid will be 2-Methyl-5-chlorophenylmercaptoacetic acid closed loop and oxidation.
Properties and Applications:red light purple. Soluble in Xylene in red with yellow fluorescence. In concentrated sulfuric acid for yellow green, dilution after red precipitation; In the basic insurance powder solution for yellow olive; In the acidic insurance powder solution for yellow.
Light Fastness | Heat resistance(℃ ) | Sodium carbonate(5%) | Muriatic acid(5%) | Oleic acid | PVC migration | Soap micelle bleeding | |
Melting point | Stable | ||||||
Good | Good | Good | Good |
List of Suppliers:
Thiosafast Red MV-6604(Mobay Corp Dyes & Pigments Div.)
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