ChemicalBook >> CAS DataBase List >>disodium 7-(benzoylamino)-4-hydroxy-3-[[2-methyl-4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate

disodium 7-(benzoylamino)-4-hydroxy-3-[[2-methyl-4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate

CAS No.
5873-24-5
Chemical Name:
disodium 7-(benzoylamino)-4-hydroxy-3-[[2-methyl-4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate
Synonyms
C.I.28170;Direct Red 90;C.I.Direct Red 90;Eliamina Rubine RL;C.I.Direct Red 90:C.I.28170;Diaphtamine Light Rubine RL;disodium 7-(benzoylamino)-4-hydroxy-3-[[2-methyl-4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate;7-Benzoylamino-4-hydroxy-3-[[2-methyl-4-[(4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium salt
CBNumber:
CB3878767
Molecular Formula:
C30H21N5Na2O8S2
Molecular Weight:
689.62598
MDL Number:
MOL File:
5873-24-5.mol

disodium 7-(benzoylamino)-4-hydroxy-3-[[2-methyl-4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate Chemical Properties, Uses, Production

Preparation

4-Aminobenzenesulfonic acid diazo, and O-Methylaniline coupling, its product to diazo, and7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

blue-ray red. Soluble in water for red light purple. The strong sulfuric acid for blue, red after diluted precipitation. The dye solution to join strong hydrochloric acid have dark purple precipitation; Add sodium hydroxide have red light purple precipitation.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 4-5 4-5 3 3

disodium 7-(benzoylamino)-4-hydroxy-3-[[2-methyl-4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate Preparation Products And Raw materials

Raw materials

Preparation Products

disodium 7-(benzoylamino)-4-hydroxy-3-[[2-methyl-4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate Suppliers

Global Suppliers ( 1)
Supplier Tel Email Country ProdList Advantage
Shaanxi Didu New Material Co., Ltd 81124267 17392282731 1046@dideu.com China 10000 58
Supplier Advantage
Shaanxi Didu New Material Co., Ltd 58
disodium 7-(benzoylamino)-4-hydroxy-3-[[2-methyl-4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate 7-Benzoylamino-4-hydroxy-3-[[2-methyl-4-[(4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium salt C.I.28170 C.I.Direct Red 90 Diaphtamine Light Rubine RL Eliamina Rubine RL C.I.Direct Red 90:C.I.28170 Direct Red 90 5873-24-5