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Direct blue 273

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Direct blue 273 Suppliers list
Company Name: Ningbo Dynasty Chemical Co., Ltd  
Tel: 86 0574 56159999
Email: info@dynasty-chem.com
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Direct blue 273 Basic information
Product Name:Direct blue 273
Synonyms:Direct blue 273;Blue GDF;C.I.Direct Blue 273:C.I.278675
CAS:70956-20-6
MF:C33H25CuN5Na3O11S3+3
MW:896.28881
EINECS:
Product Categories:
Mol File:70956-20-6.mol
Direct blue 273 Structure
Direct blue 273 Chemical Properties
Safety Information
MSDS Information
Direct blue 273 Usage And Synthesis
Preparation3-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 Applicationsblue. 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 materials2-Amino-4,8-naphthalenedisulfonic acid-->7-Anilino-4-hydroxy-2-naphthalenesulfonic acid-->2-Methoxy-5-methylaniline
Tag:Direct blue 273(70956-20-6) Related Product Information
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