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必应染料-您身边的染料专家

Acid Yellow 219

Name:C.I.Acid Yellow 219

Molecular Structure: Double azo class

C.I.Acid Yellow 219,CAS 71819-57-3,448.43,C20H17N4NaO5S,Weak Acid Yellow 4R,Weak Acid brown GR,Erio Yellow 4R,Tectilon Yellow 4R

C.I.Acid Yellow 219,CAS 71819-57-3,448.43,C20H17N4NaO5S,Weak Acid Yellow 4R,Weak Acid brown GR,Erio Yellow 4R,Tectilon Yellow 4R

Molecular Formula:C20H17N4NaO5S

Molecular Weight: 448.43

CAS Registry Number:71819-57-3

Manufacturing Methods : 3-Aminobenzenesulfonic acid diazo, and (2-Methoxyphenylamino)methanesulfonic acid coupling, remove a sulfonic acid hydrolysis base, its product to diazo, coupled with phenol, then the etherification.

Properties and Applications: red light yellow. Orange powder, soluble in water. Mainly used for wool, polyamide fiber dyeing and printing.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 6 3-4 4 2-3

List of Suppliers:

Weak Acid Yellow 4R,Weak Acid brown GR

Shangyu Guangming Chemical Co.,Ltd.

Jinhua Hanllycome Chemical Co., Ltd.

Akacid Yellow 4RK 250% (Aakash Chemicals & Dyestuffs Inc)

Best Acid Yellow 4RK( Oriental Giant Dyes and Chemical Ind Corp )

Chromalon Yellow 4R KWL 200% ( Chrochem AG )

Dorasyn Yellow C4RN( D&G Dyes Inc. )

Erio Yellow 4R( Ciba Specialty Chemicals Inc )

Orco Nylosol Yellow 4GR 250% ( Organic Dyestuffs Corp )

Phoebe Yellow W-4R 200%( Anhui Fengyang Dyestuffs and Chemicals Co. Ltd. )

Ricoamide Yellow CRM 250%( Rite Industries Inc. )

Taitilon Yellow 4R-T 200% KWL ( T & T Industries Corp )

Tectilon Yellow 4R( Ciba Specialty Chemicals Inc )


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