disodium 4-hydroxy-3-[[4'-[(2-hydroxynaphthyl)azo]-2,2'-dimethyl[1,1'-biphenyl]-4-yl]azo]naphthalene-2,7-disulphonate

CAS No.
3701-40-4
Chemical Name:
disodium 4-hydroxy-3-[[4'-[(2-hydroxynaphthyl)azo]-2,2'-dimethyl[1,1'-biphenyl]-4-yl]azo]naphthalene-2,7-disulphonate
Synonyms
ACIDRED99;C.I. Acid Red 99;Acid red 99 (C.I. 23285);C.I.Acid Red 99:C.I.23285;disodium 4-hydroxy-3-[[4'-[(2-hydroxynaphthyl)azo]-2,2'-dimethyl[1,1'-biphenyl]-4-yl]azo]naphthalene-2,7-disulphonate;2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-[[4'-[(2-hydroxy- 1-naphthalenyl)azo]-2,2'-dimethyl[1,1'-biphenyl ]-4-yl]azo]-, disodium salt;disodium,(3Z)-3-[[3-methyl-4-[2-methyl-4-[(2Z)-2-(2-oxonaphthalen-1-ylidene)hydrazinyl]phenyl]phenyl]hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate
CBNumber:
CB5883587
Molecular Formula:
C34H24N4Na2O8S2
Molecular Weight:
726.6859
MDL Number:
MOL File:
3701-40-4.mol

disodium 4-hydroxy-3-[[4'-[(2-hydroxynaphthyl)azo]-2,2'-dimethyl[1,1'-biphenyl]-4-yl]azo]naphthalene-2,7-disulphonate Properties

disodium 4-hydroxy-3-[[4'-[(2-hydroxynaphthyl)azo]-2,2'-dimethyl[1,1'-biphenyl]-4-yl]azo]naphthalene-2,7-disulphonate Chemical Properties,Uses,Production

Preparation

4-(4-Amino-2-methylphenyl)-3-methylbenzenamine double nitriding, respectively with the 4-Hydroxynaphthalene-2,7-disulfonic acid and Naphthalen-2-ol coupling.

Properties and Applications

red. Soluble in water for red, soluble in ethanol for orange. The strong sulfuric acid for dark purple, pink is diluted. In water solution to join strong hydrochloric acid for red; Add thick sodium hydroxide solution for orange brown.

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

disodium 4-hydroxy-3-[[4'-[(2-hydroxynaphthyl)azo]-2,2'-dimethyl[1,1'-biphenyl]-4-yl]azo]naphthalene-2,7-disulphonate Preparation Products And Raw materials

Raw materials

Preparation Products

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disodium 4-hydroxy-3-[[4'-[(2-hydroxynaphthyl)azo]-2,2'-dimethyl[1,1'-biphenyl]-4-yl]azo]naphthalene-2,7-disulphonate C.I. Acid Red 99 ACIDRED99 Acid red 99 (C.I. 23285) 2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-[[4'-[(2-hydroxy- 1-naphthalenyl)azo]-2,2'-dimethyl[1,1'-biphenyl ]-4-yl]azo]-, disodium salt disodium,(3Z)-3-[[3-methyl-4-[2-methyl-4-[(2Z)-2-(2-oxonaphthalen-1-ylidene)hydrazinyl]phenyl]phenyl]hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate C.I.Acid Red 99:C.I.23285 3701-40-4 Organics