SUDAN BLUE

  • CAS No.: 128-85-8
  • Purity: 99%
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Cost-effective and customizable SUDAN BLUE 128-85-8 supplier

  • Molecular Formula: C22H18N2O2
  • Molecular Weight: 342.397
  • Vapor Pressure: 1.12E-12mmHg at 25°C 
  • Refractive Index: 1.715 
  • Boiling Point: 575.1 °C at 760 mmHg 
  • Flash Point: 203.2 °C 
  • PSA: 58.20000 
  • Density: 1.312g/cm3 
  • LogP: 4.70170 

SUDAN BLUE(Cas 128-85-8) Usage

Preparation

1-Bromo-4-(methylamino)anthracene-9,10-dione and p-Methylaniline reaction.

Standard

Light Fastness

Melting point

Stable

ISO

General

Properties and Applications

brilliant blue. In concentrated sulfuric acid to red light purple, after dilution for red yellow. Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%) Melting point Stable ISO General 175 ≥ 100Sublimation Insoluble No change No change

InChI:InChI=1/C22H18N2O2/c1-13-7-3-6-10-16(13)24-18-12-11-17(23-2)19-20(18)22(26)15-9-5-4-8-14(15)21(19)25/h3-12,23-24H,1-2H3

128-85-8 Relevant articles

Anthrapyridone compounds, their production process and their use

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, (2008/06/13)

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Anthrapyridone compounds

-

, (2008/06/13)

An anthrapyridone compound of the follow...

128-85-8 Process route

1-chloro-4-dimethylamino-anthraquinone
117499-93-1

1-chloro-4-dimethylamino-anthraquinone

<i>p</i>-toluidine
106-49-0,12221-03-3

p -toluidine

1-(methylamino)-4-[(4-methylphenyl)amino]anthraquinone
128-85-8

1-(methylamino)-4-[(4-methylphenyl)amino]anthraquinone

D and C green 6
128-80-3

D and C green 6

Conditions
Conditions Yield
at 180 ℃;
1-bromo-4-(methylamino)-9,10-anthracenedione
128-93-8

1-bromo-4-(methylamino)-9,10-anthracenedione

1-(methylamino)-4-[(4-methylphenyl)amino]anthraquinone
128-85-8

1-(methylamino)-4-[(4-methylphenyl)amino]anthraquinone

Conditions
Conditions Yield
With sodium acetate; In p-toluidine;
82%
With sodium acetate; In p-toluidine;
82%

128-85-8 Upstream products

  • 128-93-8
    128-93-8

    1-bromo-4-(methylamino)-9,10-anthracenedione

  • 106-49-0
    106-49-0

    p -toluidine

  • 91854-66-9
    91854-66-9

    1-dimethylamino-4-hydroxy-anthraquinone

  • 117499-93-1
    117499-93-1

    1-chloro-4-dimethylamino-anthraquinone

128-85-8 Downstream products

  • 6535-64-4
    6535-64-4

    1-(acetyl-methyl-amino)-4-p -toluidino-anthraquinone

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