Basic information Safety Supplier Related
ChemicalBook >  Product Catalog >  Dyes and Pigments >  dye >  tetrasodium 4,4'-[carbonylbis(imino-4,1-phenyleneazo)]bis[3-amino-5-hydroxynaphthalene-2,7-disulphonate]

tetrasodium 4,4'-[carbonylbis(imino-4,1-phenyleneazo)]bis[3-amino-5-hydroxynaphthalene-2,7-disulphonate]

Basic information Safety Supplier Related

tetrasodium 4,4'-[carbonylbis(imino-4,1-phenyleneazo)]bis[3-amino-5-hydroxynaphthalene-2,7-disulphonate] Basic information

Product Name:
tetrasodium 4,4'-[carbonylbis(imino-4,1-phenyleneazo)]bis[3-amino-5-hydroxynaphthalene-2,7-disulphonate]
Synonyms:
  • tetrasodium 4,4'-[carbonylbis(imino-4,1-phenyleneazo)]bis[3-amino-5-hydroxynaphthalene-2,7-disulphonate]
  • Direct red 101 (C.I. 25320)
  • 4,4'-[Ureylenebis[(4,1-phenylene)azo]]bis[3-amino-5-hydroxynaphthalene-2,7-disulfonic acid disodium] salt
  • C.I.25320
  • C.I.Direct Red 101
  • Sirius Pink G
  • tetrasodium,3-imino-4-[2-[4-[[4-[2-(2-imino-8-oxo-3,6-disulfonatonaphthalen-1-yl)hydrazinyl]phenyl]carbamoylamino]phenyl]hydrazinyl]-5-oxonaphthalene-2,7-disulfonate
  • C.I.Direct Red 101:C.I.25320
CAS:
6771-81-9
MF:
C33H22N8Na4O15S4
MW:
990.79146
EINECS:
2298298
Mol File:
6771-81-9.mol
More
Less

tetrasodium 4,4'-[carbonylbis(imino-4,1-phenyleneazo)]bis[3-amino-5-hydroxynaphthalene-2,7-disulphonate] Usage And Synthesis

Preparation

4-Nitrobenzenamine diazo, in acid conditions and 3-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, and then will the nitro reduction, again will create the amino nitrogen compounds for light accidentally gasification.

Properties and Applications

blue light pink. Soluble in water for product red, soluble in ethanol. In the dark for the strong sulfuric acid, diluted Red sauce for. The dye solution to join strong hydrochloric acid for purple, have precipitation; Add thick sodium hydroxide solution for red, have precipitation.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 2-3 5 2 2

tetrasodium 4,4'-[carbonylbis(imino-4,1-phenyleneazo)]bis[3-amino-5-hydroxynaphthalene-2,7-disulphonate]Supplier

Hubei Jusheng Technology Co.,Ltd.
Tel
18871490254
Email
linda@hubeijusheng.com
Shaanxi Dideu Newmaterial Co., Ltd.
Tel
029-63373950 15353716720
Email
1052@dideu.com