Direct blue 273

Direct blue 273 structure

CAS No.: 70956-20-6

Chemical Name:: Direct blue 273

Synonyms: Blue GDF;Direct blue 273;C.I.Direct Blue 273:C.I.278675

CBNumber:: CB71486167

Molecular Formula:: C33H25CuN5Na3O11S3+3

Molecular Weight:: 896.28881

MDL Number:

MOL File:: 70956-20-6.mol

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Direct blue 273 Chemical Properties,Uses,Production

Preparation

3-Aminonaphthalene-1,5-disulfonic acid diazo, and 2-Amino-4-methylanisole coupling, again diazo, and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling, then into chromium complex.

Properties and Applications

blue. Mainly used for paper color.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO			6	4	4

Direct blue 273 Preparation Products And Raw materials

Raw materials

2-Amino-4,8-naphthalenedisulfonic acid 7-Anilino-4-hydroxy-2-naphthalenesulfonic acid 2-Methoxy-5-methylaniline

Preparation Products

Direct blue 273 Suppliers

Global( 1)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Ningbo Dynasty Chemical Co., Ltd	--	info@dynasty-chem.com	China	1444	58

Supplier	Advantage
Ningbo Dynasty Chemical Co., Ltd	58

70956-20-6(Direct blue 273)Related Search:

C.I. Direct Blue 283 Direct Blue 264 Direct Blue 289 Direct Blue 280 Direct Blue 281

Direct Blue 267 Direct Blue 278:1 Direct Blue 278 1,3,6-Naphthalenetrisulfonic acid, 8-hydroxy-7-[[4'-[(2-hydroxy-1-naphthalenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-, trisodium salt

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Direct blue 273 Blue GDF C.I.Direct Blue 273:C.I.278675 70956-20-6