Direct Brown 95
Name:C.I.Direct Brown 95,C.I.30145
Molecular Structure: trisazo class
Molecular Formula:C31H20N6Na2O9S
Molecular Weight: 698.57
CAS Registry Number:16071-86-6
Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, and then and 3-Amino-4-hydroxybenzenesulfonic acid diazo, and Resorcinol coupling, in the form of complex copper a * single accidentally coupled nitrogen compounds.
Properties and Applications: red light brown. Shallow brown powder. Soluble in water for orange brown, solubility of 35 g/L (80 ~ 85 ℃), slightly soluble in ethanol, insoluble in acetone. The strong sulfuric acid to red light purple, diluted into orange brown; In nitric acid for dark purple solution (don’t). The dye solution to join strong hydrochloric acid for brown, have precipitation; Join thin or thick sodium hydroxide solution for a red brown, precipitation. Dye cellulose fiber dyeing, dye devoured the gender is good, in the 100 ℃ temperature when the biggest affinity. Discharge the gender is good. Hard to sensitive. Dyeing copper and iron ions in a slight discoloration. Mainly used in viscose and their blended fabric dyeing and printing, and can also be used to knit fabric, blankets and silk, polyamide fiber fabric dyeing and printing, and can also be used in leather, paper and plastic color.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 4 | 3-4 | 5-6 | 2-3 | 2-3 | ||
AATCC | 3 | 3 | 5-6 | 3 | 2 |
List of Suppliers:
Direct Fast Brown BRL,Direct Brown BRS,Direct Brown D-NBR
Apollo Direct Fast Brown BRS ( Taiheung Corp )
Atul Direct Supra Light Fast Brown B ( Atul Limited )
Atul Leather Fast Brown DBL ( Atul Limited )
Bitafast Brown BRL ( Bharat Texdyes Industries )
Brown BRLL (Monarch Dyestuffs Industries)
Brown BRLL ( JK Promotions )
Direct Brown BRL ( Multicrom SA )
Direct Brown BRLL ( Colour Industries )
Direct Brown BRLL ( National Dyechem Industries )
Direct Brown BRL-NB ( Global Colors Inc. )
Direct Brown BRS ( Anilinas Americanas Versanil SRL )
Direct Fast Brown BRL (Sinochem Ningbo Imp & Exp Corp)
Direct Fast Brown BRSL ( PT Polkrik Chemicals Co )
Direct Fast Brown LMR (Colorom SA)
Direct Light Brown BRS ( Multicrom SA )
Direct Sunfast Brown BRIL (Amar Impex)
Doramine Bordeaux B Cone.( D&G Dyes Inc. )
Eniacel Light Brown BRL ( Enia Industries Quimicas S.A. )
Eniacuprol Brown BL ( Enia Industries Quimicas S.A. )
Enianil Light Brown BL ( Enia Industries Quimicas S.A. )
Fastusol Brown LBRSA (Classic Dyestuffs Inc)
Goldamine Fast Brown BRLL ( Golden Dyes Corpn (India) Pvt Ltd )
Leadirect Brown BRL-NB ( Leadertech Colors Inc. )
Light Fast Brown BR ( KCA Ltd )
Multicuer Brown BRS ( Multicrom SA )
Multiluz Brown BRS ( Multicrom SA )
Pamasol Brown BRL-95 ( Pyosa Pigments )
Simrect Brown 24949 (Simpsons (UK) Ltd)
Solex Brown R ( ellenic Dyeworks SA )
Sun Fast Brown Brill( Sharda International )
Vopsider Brown DLMR(Colorom SA)