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必应染料-您身边的染料专家

Direct Yellow 4

Name:C.I.Direct Yellow 4,C.I.24890

Molecular Structure: Double azo class

C.I.Direct Yellow 4,C.I.24890,CAS 3051-11-4,624.55,C26H18N4Na2O8S2, Direct Yellow C,Direct Brilliant Yellow P

C.I.Direct Yellow 4,C.I.24890,CAS 3051-11-4,624.55,C26H18N4Na2O8S2,
Direct Yellow C,Direct Brilliant Yellow P

Molecular Formula:C26H18N4Na2O8S2

Molecular Weight: 624.55

CAS Registry Number:3051-11-4

Manufacturing Methods : 1,2-Bis(4-amino-2-sulfophenyl)ethene  double nitriding, and phenol (2 Moore) coupled.

Properties and Applications: brilliant yellow. Soluble in water for golden brown, and adequate soluble in ethanol for golden brown, slightly soluble in acetone and soluble fiber element. The strong sulfuric acid to red light purple, diluted for purple, have black light purple precipitation; In nitric acid solution for dark brown (not all solution). The dye solution to join strong hydrochloric acid for dark purple, have precipitation; Add thick sodium hydroxide solution for palm light orange; Add 10% sodium hydroxide solution for big red. Used for cellulose fiber and polyamide fiber dyeing, also can be used for leather and paper color. Fountain of good dye, discharge sex is very good.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
AATCC 3 1 5 1 3

List of Suppliers:

Dongguang

County Honghao Dyeing Chemical Co.,Ltd

ACDI Brilliant Paper Yellow (Aakash Chemicals & Dyestuffs Inc)

Brill. Paper Yellow C EX Conc (Classic

Dyestuffs Inc)

Brilliant Paper Yellow C (Yorkshire Group pic)

Brilliant Yellow P ( Multicrom SA )

Direct Brilliant Paper Yellow ( Colour Industries )

Direct Brilliant Paper Yellow ( Global Colors Inc. )

Direct Brilliant Paper Yellow 3GX (Yorkshire Group pic)

Eniacel Yellow 4L( Enia Industries Quimicas S.A. )

Fastusol Yellow 66L ( BASF

Aktiengesellschaft)

Indisol Yellow 12G(Classic Dyestuffs

Inc)

Intrabond Liquid Brilliant Paper Yellow (Yorkshire Group pic)

Permalite Paper Yellow G EX Conc ( Standard Dyes )

Pontamine Brilliant Paper Yellow ( Miles Inc. )

Yellow 4 (Sinochem Liaoning Import &

Export Corporation)

Yellow GF(United

Chemie)


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