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必应染料-您身边的染料专家

Direct Brown 44

Name:C.I.Direct Brown 44,C.I.35005

Molecular Structure: Multi-azo class

C.I.Direct Brown 44,C.I.35005,CAS 6252-62-6,758.7,C30H24N12Na2O6S2,Direct Brown NB,Direct Brown SL,Direct Brown 3G

C.I.Direct Brown 44,C.I.35005,CAS 6252-62-6,758.7,C30H24N12Na2O6S2,Direct Brown NB,Direct Brown SL,Direct Brown 3G

Molecular Formula:C30H24N12Na2O6S2

Molecular Weight: 758.7

CAS Registry Number:6252-62-6

Manufacturing Methods :2 moles of nitrous acid treatment with 3 moles of  Benzene-1,3-diamine dihydrochloride (This product may be based on the disazo dye mixture as the main ingredient, and commercial dyes are usually composed by a dihydrochloride). And its product   (C.I. Basic Brown 1, C.I. 21000) as coupling component and diazotized 4-Aminobenzenesulfonic acid (2 mol) coupling

Properties and Applications: brown. Soluble in water for brown, soluble in ethanol and acetone. The strong sulfuric acid for palm to black, diluted for orange brown, there is a fine precipitation. The dye solution to join 10% sodium hydroxide solution more red light. Apply to the cellulose fibre paper printing and dyeing and color.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4 5 2 2 2
AATCC 3-4 4 2 1-2 2-3

List of Suppliers:

Direct Brown SL,Direct Brown 3G

Shandong Qing Shun Chemical Co., Ltd.

Tianjin Yadong Group

ACDI Brown GSX (Aakash Chemicals & Dyestuffs Inc)

Brown GSV ( Manuel Vilaseca SA )

Carta Brown SBN ( Clariant GmbH )

Direct Brown (Fenchem Enterprises Ltd)

Direct Brown 3G (Colorom SA)

Direct Brown GSX( Global Colors Inc. )

Direct Brown NB ( Sharda International )

Direct Brown NB (Yorkshire Group pic)

Direct Brown Y( National Dyechem Industries )

Fabramine Brown GSX New ( Fabricolor Inc. )

Hispamin Brown 2GRF ( S A Robama )

Leadirect Brown GSX Pdr/Liq ( Leadertech Colors Inc. )

Nippon Kagaku Direct Paper Brown SL ( Kaseihin Kogyo Kyokai )

Vopsider Brown D3G(Colorom SA)


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