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必应染料-您身边的染料专家

Direct Brown 101

Name:C.I.Direct Brown 101,C.I.31740

Molecular Structure: trisazo class

C.I.Direct Brown 101,C.I.31740,CAS 3626-29-7,782.62,C36H21N6Na3O9S,Direct Fast Red Brown RTL

C.I.Direct Brown 101,C.I.31740,CAS 3626-29-7,782.62,C36H21N6Na3O9S,Direct Fast Red Brown RTL

Molecular Formula:C36H21N6Na3O9S

Molecular Weight:782.62

CAS Registry Number:3626-29-7

Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding,First coupled with  2-Hydroxybenzoic acid and then with 8-Aminonaphthalene-2-sulfonic acid coupling, coupled with  2-Hydroxybenzoic acid diazotization product again.

Properties and Applications: brown. Dark red powder. Soluble in water for orange brown, soluble in ethanol for gold orange. In the strong sulfuric acid as dark blue, dilute for shallow brown after the olive. The dye solution to join strong hydrochloric acid with olives brown precipitation; Add thick sodium hydroxide solution have red light orange brown precipitation. Cellulose fiber of dyeing, dye devoured the gender is good, in the 100 ℃ temperature when the biggest affinity. Is very sensitive to that fights. In dyeing copper and iron ion colour and lustre to become red, dark. Used in viscose fabric and its blending, knitting fabric and blankets dyed color, general is not used for printing. Can also be used for wool/stick, leather and paper color.

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

List of Suppliers:

Direct Fast Red Brown RTL( Sinochem Ningbo Imp & Exp Corp )


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