Basic information Safety Supplier Related

COOMASSIE FAST BLACK G

Basic information Safety Supplier Related

COOMASSIE FAST BLACK G Basic information

Product Name:
COOMASSIE FAST BLACK G
Synonyms:
  • disodium 5-[[4-[(5-sulphonato-1-naphthyl)azo]-1-naphthyl]azo]-8-(p-tolylamino)naphthalene-1-sulphonate
  • Acid black 21 (C.I. 26405)
  • 4-[(4-Methylphenyl)amino]-4'-[(5-sodiosulfo-1-naphthalenyl)azo][1,1'-azobisnaphthalene]-5-sulfonic acid sodium salt
  • C.I.26405
  • COOMASSIE FAST BLACK G
  • disodium,8-(4-methylanilino)-5-[[4-[(5-sulfonatonaphthalen-1-yl)diazenyl]naphthalen-1-yl]diazenyl]naphthalene-1-sulfonate
  • Acid Black 21
  • C.I.Acid Black 21:C.I.26405
CAS:
10142-78-6
MF:
C37H25N5Na2O6S2
MW:
745.73
EINECS:
2334042
Mol File:
10142-78-6.mol
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COOMASSIE FAST BLACK G Chemical Properties

EPA Substance Registry System
1-Naphthalenesulfonic acid, 8-[(4-methylphenyl)amino]-5-[[4-[(5-sulfo-1-naphthalenyl)azo]-1-naphthalenyl]azo]-, disodium salt (10142-78-6)
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COOMASSIE FAST BLACK G Usage And Synthesis

Preparation

5-Aminonaphthalene-1-sulfonic acid diazo, and Naphthalen-1-amine coupling, again diazo, and 8-(P-toluidino)naphthalene-1-sulfonic acid coupling.

Properties and Applications

black. Soluble in water for dark purple, soluble in ethanol for red light blue. The strong sulfuric acid for blue-ray black, diluted green for blue-ray. The dye solution to join strong hydrochloric acid for turquoise blue; Add thick sodium hydroxide solution have sauce red precipitate. Suitable for the wool dyeing and printing, also suitable for leather shading.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 6 5 4 4-5 4 3-4 4-5 4-5

COOMASSIE FAST BLACK GSupplier

Hubei Jusheng Technology Co.,Ltd.
Tel
18871490254
Email
linda@hubeijusheng.com
Shaanxi Dideu Newmaterial Co., Ltd.
Tel
029-63373950 15353716720
Email
1052@dideu.com
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COOMASSIE FAST BLACK G(10142-78-6)Related Product Information