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Acid Red 186(CAS 52677-44-8)

Acid Red 186

Name:C.I.Acid Red 186,C.I.18810

Molecular Structure: Single azo,Metal Complexes

 

C.I.Acid Red 186,C.I.18810,CAS 52677-44-8,548.46,C20H14N4Na2O8S2,Acid Red BN,Acid Complex Pink BN,Acid Red PBE,Complex Pink B

Molecular Formula:C20H14N4Na2O8S2

Molecular Weight: 548.46

CAS Registry Number:52677-44-8

Manufacturing Methods : 4-Amino-3-hydroxynaphthalene-1-sulfonic acid diazo, and 1-(3-Sulfophenyl)-3-methyl-5-pyrazolone coupling, and then in water solution and formic acid chromium heating, in 125 ° C keep 3 ~ 5 hours, transforming it into chromium complex.

Properties and Applications: blue light pink. Purplish red powder. Soluble in water, slightly soluble in ethanol and acetone, insoluble in toluene. In strong sulfuric acid for palm, it will be diluted for pink. Used for polyamide, silk and wool fabric dyeing and printing, and is suitable for the influential product and carpet of wool dyeing, also suitable for leather dyeing.

Standard

Light Fastness

Soaping

Persperation Fastness

Oxygen bleaching

Fastness to seawater

Fading

Stain

Fading

Stain

Fading

Stain

ISO

5-6

  

4

3

 

4

4-5

AATCC

6

3-4

 

3

2

 

3

 

 

 Acid Red 186

Name:C.I.Acid Red 186,C.I.18810

Molecular Structure: Single azo,Metal Complexes

 

C.I.Acid Red 186,C.I.18810,CAS 52677-44-8,548.46,C20H14N4Na2O8S2,Acid Red BN,Acid Complex Pink BN,Acid Red PBE,Complex Pink B

Molecular Formula:C20H14N4Na2O8S2

Molecular Weight: 548.46

CAS Registry Number:52677-44-8

Manufacturing Methods : 4-Amino-3-hydroxynaphthalene-1-sulfonic acid diazo, and 1-(3-Sulfophenyl)-3-methyl-5-pyrazolone coupling, and then in water solution and formic acid chromium heating, in 125 ° C keep 3 ~ 5 hours, transforming it into chromium complex.

Properties and Applications: blue light pink. Purplish red powder. Soluble in water, slightly soluble in ethanol and acetone, insoluble in toluene. In strong sulfuric acid for palm, it will be diluted for pink. Used for polyamide, silk and wool fabric dyeing and printing, and is suitable for the influential product and carpet of wool dyeing, also suitable for leather dyeing.

Standard

Light Fastness

Soaping

Persperation Fastness

Oxygen bleaching

Fastness to seawater

Fading

Stain

Fading

Stain

Fading

Stain

ISO

5-6

  

4

3

 

4

4-5

AATCC

6

3-4

 

3

2

 

3

 

 

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