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Direct Yellow 50

Name:C.I.Direct Yellow 50,C.I.29025

Molecular Structure: Double azo class

C.I.Direct Yellow 50,C.I.29025,CAS 3214-47-9,956.82,C35H24N6Na4O13S4,Direct Yellow RS,Direct Fast Yellow FTF,Direct Fast Yellow RS

C.I.Direct Yellow 50,C.I.29025,CAS 3214-47-9,956.82,C35H24N6Na4O13S4,Direct Yellow RS,Direct Fast Yellow FTF,Direct Fast Yellow RS

Molecular Formula:C35H24N6Na4O13S4

Molecular Weight: 956.82

CAS Registry Number:3214-47-9

Manufacturing Methods : 3-Aminonaphthalene-1,5-disulfonic acid diazo, and a coupling m-Toluidine, then the light gasification.

Properties and Applications: red light yellow. Soluble in water for golden brown, solubility of 60 g/L (60 ℃), 80 g/L (97 ℃), slightly soluble in ethanol, insoluble in other organic solvents. The strong sulfuric acid for quality in red, dilute for green light blue after blue precipitation; In nitric acid solution for purple. The dye solution to join strong hydrochloric acid has the purple precipitation; Add thick sodium hydroxide solution with gold orange precipitation. Cellulose fiber of dyeing, in 80 ℃ maximum when affinity, for the neutral, weak acid dye bath dyeing. Hard to not sensitive. In dyeing copper and iron ion colored light basic unchanged. Mainly used for cotton, viscose, which silk dyeing and printing, and can directly printing, also can to discharge printing color. Can and disperse dyestuffs high temperature polyester/cotton with bath dyeing blended fabric. May also used for the dyeing nylon, leather, paper and electrochemical aluminum color.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3-4 3 6 2-3 2
AATCC 5 3 5 2-3 1-3

List of Suppliers:

Direct Yellow RS,Direct Fast Yellow FTF,Direct Fast Yellow RS

JinZhou Dyestuffs Plant Hebei

Tianjin Yadong Group

ABCOL Direct Yellow RLSW ( Abbey Color Inc. )

ACDI Fast Yellow RLSW(Aakash Chemicals & Dyestuffs Inc)

Arid Fast Yellow RLSW ( Aashiana Dyestuffs Inc )

Atlantic Resin Fast Yellow NRLSW (Classic Dyestuffs Inc)

Burco Direct Yellow 2RLSW(Classic Dyestuffs Inc)

Concorde Direct Yellow AGFL ( I-HWA Industrial Corp )

Condirec Yellow EO (Concord Commerce Company)

Direct Fast Brilliant Yellow RS (Brighten Colorchem BV)

Direct Fast Yellow RLSW( Global Colors Inc. )

Direct Fast Yellow RS(Sinochem Ningbo Imp & Exp Corp)

Direct Fast Yellow RS (Sinochem Jiangsu I/E Corp.)

Direct Fast Yellow RS (Fenchem Enterprises Ltd)

Direct Fast Yellow RS(Shandong Qing Shun Chemical Co., Ltd.)

Direct Fast Yellow RS 176(Sinochem Tianjin Imp Exp Corp)

Direct Light Yellow RLL ( S A des Ets. Steiner )

Direct Yellow 2RLS(Classic Dyestuffs Inc)

Direct Yellow 2RLSW(Classic Dyestuffs Inc)

Direct Yellow NRLSW (Yorkshire Group pic)

Direct Yellow PBL (Classic Dyestuffs Inc)

Direct Yellow R 100%(Classic Dyestuffs Inc)

Direct Yellow RL ( National Dyechem Industries )

Direct Yellow RLS(Classic Dyestuffs Inc)

Direct Yellow RLSW (Classic Dyestuffs Inc)

Direct Yellow RLSW 175%(Classic Dyestuffs Inc)

Doramin Yellow RGN 200%( D&G Dyes Inc. )

Duasyn Direct Yellow G( DyStar GmbH & Co Deutschland KG )

Dycosdirect Fast Brilliant Yellow RS (Sinochem Shanghai I/E Corp/Schecho PuDong Corporation)

Dyrect Fast Yellow FRD ( Albion Colours Ltd)

Dyrite Yellow PBL ( Rite Industries Inc. )

Dyrite Yellow RLS(Classic Dyestuffs Inc)

Dyrite Yellow RLSW(Classic Dyestuffs Inc)

Fast Yellow RS(Sinochem Liaoning Import & Export Corporation)

Hariect Fast Yellow RL H/C( Bhavi International Ltd )

Helion Yellow RL( Ciech SA )

Intralite Yellow NRLSW (Classic Dyestuffs Inc)

Leadirect Fast Yellow RLSW ( Leadertech Colors Inc. )

Levacell Fast Yellow R ( Bayer Group )

MVdirect Yellow RLSW ( MV Products Inc. )

Permalite Yellow 2RLSWN ( Standard Dyes )

Permalite Yellow RLSW 167% ( Standard Dyes )

Permalite Yellow RW Liquid ( Standard Dyes )

Permalite Yellow TSC-020802 ( Standard Dyes )

Pontamine Yellow RL(Classic Dyestuffs Inc)

Simrect Yellow 24933 (Simpsons (UK) Ltd)

Solar Flavine RN ( Clariant GmbH )

Solius Light Yellow RL ( Frado )

Tertrodirect Light Yellow SR(Yorkshire Group pic)

Triamin Yellow R(Chemische Fabriek Triade BV)

Vicorect Yellow IHS(Victory Colour Chem Industries)


One Response to “Direct Yellow 50”

  1. What now?

    1-3 grade for water

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