dye|World dye variety

Name:C.I.Vat Black 8,C.I.71000

Molecular Structure: anthraquinones

C.I.Vat Black 8,C.I.71000,CAS 2278-50-4,665.65,C45H19N3O4,Vat Grey 6BR,Vat Grey M,Vat Grey M-T

Molecular Formula:C₄₅H₁₉N₃O₄

Molecular Weight: 665.65

CAS Registry Number:2278-50-4

Manufacturing Methods : 3,9-Dibromo-7H-benzo[de]anthracen-7-one, 3H-naphtho[2,3-f]indazol-3-one and 1-Aminoanthracene-9,10-dione in Potassium hydroxide under the existence of condensation, closed loop.

Properties and Applications:  blue light grey. Black powder. Insoluble in water, Acetone, Etanol, Toluene and Chloroform, slightly soluble in 2 – Chlorophenol, Pyridine . In concentrated sulfuric acid to have yellow green: alkaline reduction leuco for blue light green; Acid reduction leuco for red brown: mainly used in the cotton fabric jig dyeing, dyeing and suspended pad dyeing, also used for Fiber/cotton, polyester-cotton blended fabric two bath set of dye dyeing. Suitable for suspension pad dyeing deep, shallow gray, and can spell dye all kinds of noise. Its main leuco dye yarn, can also be used to viscose and silk dyeing.

List of Suppliers:

Vat Grey 6BR,Vat Grey M,Vat Grey M-T

YABANG INVESTMENT HOLDING GROUP CO.,LTD

Xuzhou Kedah Fine Chemicals Limited

Shanghai Hua Yuan Industry & Commerce General Company

Dycosthren Grey M(Sinochem Shanghai I/E Corp/Schecho PuDong Corporation)

Grey M (Sinochem Liaoning Import & Export Corporation)

Hebeithrene Grey M (Sinochem Hebei Imp & Exp Corp)

Indanthrene Grey MG COLL ( Standard Dyes )

Mikethrene Grey M ( Mitsui Toatsu Chemicals Ltd )

Novatic Grey M( Atul Limited )

Vat GreyM (Sinochem Ningbo Imp & Exp Corp)

Vat Grey M (Sinochem Jiangsu I/E Corp.)

Vat Grey M ( Chang Zhou Jing Long Chemical Factory )

Vat Grey M (Brighten Colorchem BV)

Vat Grey M COLL (Fenchem Enterprises Ltd)

Vat Grey M Colloisol(Sinochem Jiangsu Wuxi Imp & Exp Corp)

Xuzhou Vat Black 8 ( Xuzhou Vat Chemical Co Ltd )

Youhaothrene Grey M Colloisol(Sinochem Tianjin Imp Exp Corp)