6222-55-5

Name	sodium 4-hydroxy-5-[(2-methoxy-4-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate
CAS	6222-55-5
EINECS(EC#)	228-304-0
Molecular Formula	C23H17N4NaO7S
Molecular Weight	516.458
MOL File	6222-55-5.mol

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

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Hazard Information

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
Standard	Light Fastness	Fading	Stain	Persperation Fastness	Fading	Stain	Fading	Stain
ISO	6	3	3	4	2		4-5
AATCC	6	3-4	3-4	4-5	1		4-5

Supplier

Dideu Industries Group Limited

Telephone+86-29-89586680 +86-15129568250

Websitehttps://www.dideu.com

Shaanxi Dideu Newmaterial Co., Ltd.

Telephone029-63373950 17392216152

Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1184346/0_EN.htm

Aobolihui

Telephone0917-18691729 18691729963

Websitehttps://www.chemicalbook.com/ShowSupplierProductsList957491/0_EN.htm

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