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Pigment Violet 36

Name:C.I.Pigment Violet 36,C.I.73385

Molecular Structure: Thioindigo

C.I.Pigment Violet 36,C.I.73385,CAS 5462-29-3,393,31,C18H10Cl2O2S2

C.I.Pigment Violet 36,C.I.73385,CAS 5462-29-3,393,31,C18H10Cl2O2S2

Molecular Formula:C18H10Cl2O2S2

Molecular Weight: 393,31

CAS Registry Number:5462-29-3

Manufacturing Methods : 2-(4-Chloro-2-methylphenylthio)acetic acid with Chlorosulfonic acid cyclization, oxidation; The intermediate is by 3 – Chlorotoluene using sulfonyl chloride route (BIOS 983, 34) or by 4 – Chloro – 2 – methylaniline use disulphide method (FIAT 1313,2,296) and have to.

Properties and Applications: red light purple. Soluble in Xylene for blue light red, with weak yellow fluorescence. In concentrated sulfuric acid for brilliant green, red precipitation, after dilution in alkaline insurance powder solution for yellow; In the acidic insurance powder solution colorless. With C.I.Vat Violet 2 same chemical structure.

Light Fastness Heat resistance(℃ ) Sodium carbonate(5%) Muriatic acid(5%) Oleic acid PVC migration Soap micelle bleeding
Melting point Stable
Well 150 unchanging unchanging Bleeding No

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