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Acid Orange 56(CAS 6470-20-8)

Acid Orange 56

Name:C.I.Acid Orange 56,C.I.22895

Molecular Structure: Double azo class

 

C.I.Acid Orange 56,C.I.22895,CAS 6470-20-8,728.66,C32H22N6Na2O8S2,Acid Orange GAcid Orange SG,Acid Brilliant Orange G

Molecular Formula:C32H22N6Na2O8S2

Molecular Weight: 728.66

CAS Registry Number:6470-20-8

Manufacturing Methods : 2,2′-Disulfo-4,4,diaminobibenzene double nitriding, respectively, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one and Naphthalen-2-ol coupling.

Properties and Applications: red light orange. Soluble in water for palm orange, soluble in ethanol for gold orange: the strong sulfuric acid for blood-red, diluted for orange brown. The dye solution to join strong hydrochloric acid have orange brown precipitation; Add thick sodium hydroxide solution for orange brown. Used for wool, silk and fiber dyeing and printing directly, also used for paper coating and leather shading.

Standard

Light Fastness

Soaping

Persperation Fastness

Oxygen bleaching

Fastness to seawater

Fading

Stain

Fading

Stain

Fading

Stain

ISO

3

4

3-4

4

2

 

4-5

4-5

AATCC

4

3-4

3-4

3

1

 

3-4

3-4

 

 

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