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Acid Orange 49

Name:C.I.Acid Orange 49,C.I.23260

Molecular Structure: Double azo class

C.I.Acid Orange 49,C.I.23260,CAS 61901-37-9,830.82,C37H28N4Na2O10S3,Acid Orange GSN,Orange GSN

C.I.Acid Orange 49,C.I.23260,CAS 61901-37-9,830.82,C37H28N4Na2O10S3,Acid Orange GSN,Orange GSN

Molecular Formula:C37H28N4Na2O10S3

Molecular Weight: 830.82

CAS Registry Number:61901-37-9

Manufacturing Methods :  4-(4-Amino-2-methylphenyl)-3-methylbenzenamine double nitriding, respectively with the 7-Hydroxynaphthalene-1,3-disulfonic acid and phenol coupling, then use Benzenesulfonyl chloride or 4-Methylbenzene-1-sulfonyl chloride esterification.

Properties and Applications: red light orange. Soluble in water for orange, soluble in ethanol and soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid for yellow brown, diluted red orange for. In water solution to join 10% sulfuric acid as red orange; Add 10% sodium hydroxide solution into a dark red light plant color. Used for wool, silk and PVA etc of dyeing and printing fiber directly, also used in leather dyeing.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 4-5 4 5 4-5 4-5 4-5
AATCC 4-5 4-5 4-5 4-5 5 5

List of Suppliers:

Acid Orange GSN 150%( Classic Dyestuffs Inc )

Polar Orange GSN 150%( Classic Dyestuffs Inc )


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