Direct Brown 101

Direct Brown 101 Structure
CAS No.
3626-29-7
Chemical Name:
Direct Brown 101
Synonyms
C.I.31740;Direct Brown 101;C.I.Direct Brown 101;Tetramine Fast Brown RT Extra;C.I.Direct Brown 101:C.I.31740;5-[[4-[[4'-[(3-Carboxy-4-hydroxyphenyl)azo]-1,1'-biphenyl-4-yl]azo]-7-sulfo-1-naphtyl]azo]-2-hydroxybenzoic acid trisodium salt
CBNumber:
CB6968249
Molecular Formula:
C36H25N6NaO9S
Molecular Weight:
740.68
MOL File:
3626-29-7.mol

Direct Brown 101 Chemical Properties,Uses,Production

Preparation

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

Direct Brown 101 Preparation Products And Raw materials

Raw materials

Preparation Products

Direct Brown 101 Suppliers

Global( 3)Suppliers
Supplier Tel Country ProdList Advantage Inquiry
Career Henan Chemica Co +86-0371-86658258 +8613203830695 China 30253 58 Inquiry
Dynasty Colourants Co., Ltd. 86 0574 27862107 27862719 China 3306 51 Inquiry
Shanghai New Union Textra Import & Export Co., Ltd +861-348-227-9455 China 2752 60 Inquiry
Direct Brown 101 5-[[4-[[4'-[(3-Carboxy-4-hydroxyphenyl)azo]-1,1'-biphenyl-4-yl]azo]-7-sulfo-1-naphtyl]azo]-2-hydroxybenzoic acid trisodium salt C.I.31740 C.I.Direct Brown 101 Tetramine Fast Brown RT Extra C.I.Direct Brown 101:C.I.31740 3626-29-7