Basic information Safety Supplier Related

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

Basic information Safety Supplier Related

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

Product Name:
disodium 7-(benzoylamino)-4-hydroxy-3-[[3-methyl-4-[(2-methyl-4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate
Synonyms:
  • disodium 7-(benzoylamino)-4-hydroxy-3-[[3-methyl-4-[(2-methyl-4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate
  • 7-Benzoylamino-4-hydroxy-3-[[3-methyl-4-[(2-methyl-4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium salt
  • C.I.28180
  • C.I.Direct Red 85
  • Diazol Light Rubine R
  • C.I.Direct Red 85:C.I.28180
  • Direct Red 85
  • disodium 7-(benzoylamino)-4-hydroxy-3-[[3-methyl-4-[(2-methyl-4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate
CAS:
5873-26-7
MF:
C31H23N5Na2O8S2
MW:
703.65256
EINECS:
2275328
Mol File:
5873-26-7.mol
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disodium 7-(benzoylamino)-4-hydroxy-3-[[3-methyl-4-[(2-methyl-4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate Usage And Synthesis

Preparation

4-Amino-3-methylbenzenesulfonic acid diazo, coupled with m-Toluidine, its product to diazo, and 7-Benzamido-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

blue-ray red. Soluble in water and ethanol is cherry red. The strong sulfuric acid for blue-ray green, red after diluted purple precipitation. The dye solution to join strong hydrochloric acid has the purple precipitation; Add thick sodium hydroxide solution has the purple precipitation.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4-5 3-4 5 1-2 1-2

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

Shaanxi Didu New Material Co., Ltd
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029-81145920 15353716720
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