5979-27-1

Name	sodium 3-[(1,5-dihydroxy-2-naphthyl)azo]-4-hydroxy-5-nitrobenzenesulphonate
CAS	5979-27-1
EINECS(EC#)	227-782-8
Molecular Formula	C16H10N3NaO8S
Molecular Weight	427.321
MOL File	5979-27-1.mol

Synonyms

C.I.16510 Diamond Black SP Chrome Black PBG Mordant Black 51 C.I. Mordant Black 51 C.I.Mordant Black 51:C.I.16510 sodium 3-[(1,5-dihydroxy-2-naphthyl)azo]-4-hydroxy-5-nitrobenzenesulphonate 4-Hydroxy-3-[(1,5-dihydroxy-2-naphtyl)azo]-5-nitrobenzenesulfonic acid sodium salt 3-[(1,5-Dihydroxy-2-naphthalenyl)azo]-4-hydroxy-5-nitro-benzene sulfonic acid monosodium salt

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Hazard Information

Preparation

3-Amino-4-hydroxy-5-nitrobenzenesulfonic acid diazotization, and Naphthalene-1,5-diol?coupling.

Properties and Applications

black. Soluble in water for bordeaux red, right amount soluble in ethanol for orange red brown. In concentrated sulfuric acid for purple brown, dilution for red wine. Dye aqueous solution to join concentrated hydrochloric acid for red brown; With strong caustic is purple.

Standard	Ironing Fastness	Light Fastness	Fulling		Persperation Fastness	Soaping	Water
			Alkali	Acid
ISO	5	6	5	3	5	5	5

Supplier

Shaanxi Dideu Newmaterial Co., Ltd.

Telephone029-63373950 17392216152

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

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