dye|World dye variety

Name:C.I.Vat Orange 5,C.I.73335

Molecular Structure: Thioindigo class

C.I.Vat Orange 5,C.I.73335,CAS 3263-31-8,384.47,C20H16O4S2,Orange RFW,Orange RF,Orange R

Molecular Formula:C₂₀H₁₆O₄S₂

Molecular Weight: 384.47

CAS Registry Number:3263-31-8

Manufacturing Methods : 6-Ethoxybenzo[b]thiophen-3(2H)-one oxidation, the raw material or by carboxy amide route (FIAT 764-PB5626) or by Herz chlorinated sulfur method (FIAT 764-PB25626) preparation.

Properties and Applications: red light orange. Orange red powder. Insoluble in organic solvents.  reduction of basic leuco yellow; acid reduction as a pale yellow leuco. The concentrated sulfuric acid for the brilliant blue purple, diluted with pale red orange precipitate. More sensitive to hard water. The more serious light brittle dye. Mainly for the winter dark serge printing dyeing printing, set off each other extremely bright. Also used for dyeing silk and nylon.

List of Suppliers:

Algol Orange RFW ( Cassella AG )

Arlanon Orange RF ( Arlabs Ltd )

Indonon Orange RF ( Indokem Ltd )

Mikethrene Orange R ( Mitsui Toatsu Chemicals Ltd )