| Identification | Back Directory | [Name]
sodium 4-hydroxy-5-[(2-methoxy-4-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate | [CAS]
6222-55-5 | [Synonyms]
C.I.17580
Acid Black 31
C.I.Acid Black 31
C.I.Acid Black 31:C.I.17580
sodium 4-hydroxy-5-[(2-methoxy-4-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate
sodium,5-[2-(2-methoxy-4-nitrophenyl)hydrazinyl]-4-oxo-6-phenyliminonaphthalene-2-sulfonate
4-Hydroxy-5-[(2-methoxy-4-nitrophenyl)azo]-6-(phenylamino)-2-naphthalenesulfonic acid sodium salt
sodium 4-hydroxy-5-[(2-methoxy-4-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate ISO 9001：2015 REACH | [EINECS(EC#)]
228-304-0 | [Molecular Formula]
C23H17N4NaO7S | [MOL File]
6222-55-5.mol | [Molecular Weight]
516.458 |
| Hazard Information | Back Directory | [Preparation]
2-Methoxy-4-nitrobenzenamine diazo, in acid conditions and 4-Hydroxy-6-(phenylamino)naphthalene-2-sulfonic acid coupling. | [Properties and Applications]
blue and black. Blue-ray black powder. Soluble in water for purple to blue-black, soluble in ethanol for purple. The strong sulfuric acid are purple to blue-black, a grey purple diluted. Its water solution and strong hydrochloric acid for violet black; Add thick as a hydrogen oxidation solution tresses. Mainly used for wool fabric and wool/rayon blended fabric dyeing, pitch-black degree good, high fastness. Also used in leather dyeing.
|
Standard
|
Light Fastness
|
Soaping
|
Persperation Fastness
|
Oxygen bleaching
|
Fastness to seawater
|
|
Fading
|
Stain
|
Fading
|
Stain
|
Fading
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Stain
|
|
ISO
|
6
|
3
|
3
|
4
|
2
|
|
4-5
|
|
|
AATCC
|
6
|
3-4
|
3-4
|
4-5
|
1
|
|
4-5
|
|
|
|
| Company Name: |
Alfa Chemistry
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| Tel: |
1-516-6625404 |
| Website: |
https://www.alfa-chemistry.com |
| Company Name: |
Aobolihui
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| Tel: |
0917-18691729 18691729963 |
| Website: |
https://www.chemicalbook.com/ShowSupplierProductsList957491/0.htm |
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