dye|World dye variety

Name:C.I.Vat Violet 3,C.I.73395

Molecular Structure: Thioindigo class

C.I.Vat Violet 3,C.I.73395,CAS 2379-75-1,421.36,C20H14Cl2NO2S2,Magenta B,Red Violet RRN

Molecular Formula:C₂₀H₁₄Cl₂NO₂S₂

Molecular Weight: 421.36

CAS Registry Number:2379-75-1

Manufacturing Methods : 2,5-Dimethyl-4-chlorophenylmercaptoacetic acid with Chlorosulfonic acid cyclization, oxidation. This intermediate is chlorinated using the sulfonyl chloride route xylene (BIOS) derived.

Properties and Applications: brilliant red light purple. Red purple powder. Insoluble in water, ethanol and general organic solvent. In concentrated sulfuric acid for SAP green, dilution after pale red light purple. Alkaline reduction leuco for yellow; Acid reduction leuco colorless. This product is light embrittlement phenomenon. Mainly used in cotton yarn dyeing indigo with bromine, etc. Tile Black Vat Brown RRD use. Rubbing fastness, but also for direct printing of cotton fabrics, resist printing and discharge printing.

List of Suppliers:

Anthramar Magenta B (Amar Dye Chem Ltd)

Arlanon Magenta B ( Arlabs Ltd )

Carvat Red Violet RRN Pst/Pdr( Carey Industries Inc. )

Globavat x Pdr. ( Global Colors Inc. )

Icho Vat Magenta[B]( Indian Chemical Industries )

Indanthren Red Violet RRN( Cassella AG )

Indanthrene Brill Violet RR/DP (Classic Dyestuffs Inc)

Indonon Magenta B ( Indokem Ltd )

Indonon Red Magenta B ( Indokem Ltd )

Indonon Red Violet RRN( Indokem Ltd )

Libvat Violet L3( Liberty Exports Ltd )