Direct blue 273

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

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	Country	ProdList	Advantage	Inquiry
Ningbo Dynasty Chemical Co., Ltd	86 0574 56159999	China	1444	58	Inquiry

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