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Disperse Red 9

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Disperse Red 9 Basic information

Product Name:
Disperse Red 9
Synonyms:
  • S.R111
  • SOVLENT RED 111
  • 1-(Methylamino)anthraquinone, ≥98.0%
  • 10-Anthracenedione,1-(methylamino)-9
  • 1-Methylamineanthraquinone
  • 1-Methylamino-anthrachinon
  • 9,10-Anthracenedione, 1-(methylamino)-
  • 9,10-Anthracenedione,1-(methylamino)-
CAS:
82-38-2
MF:
C15H11NO2
MW:
237.25
EINECS:
201-417-2
Product Categories:
  • Aminoanthraquinones
  • Anthraquinones
  • Solvent Dyestuff
  • M
  • Stains and Dyes
  • Stains&Dyes, A to
  • Intermediates of Dyes and Pigments
  • Anthraquinones, Hydroquinones and Quinones
Mol File:
82-38-2.mol
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Disperse Red 9 Chemical Properties

Melting point:
170-172°C
Boiling point:
379.79°C (rough estimate)
Density 
1.1469 (rough estimate)
refractive index 
1.5500 (estimate)
pka
2.27±0.20(Predicted)
Water Solubility 
73.55ug/L(25 ºC)
InChIKey
SVTDYSXXLJYUTM-UHFFFAOYSA-N
CAS DataBase Reference
82-38-2(CAS DataBase Reference)
NIST Chemistry Reference
1-(N-Methylamino)-9,10-anthraquinone(82-38-2)
EPA Substance Registry System
C.I. Disperse Red 9 (82-38-2)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-37/39
WGK Germany 
3
RTECS 
CB0536600
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Disperse Red 9 Usage And Synthesis

Uses

1-Methylaminoanthraquinone is an important intermediate for manufacturing solvent dyes and acid dyes.

Synthesis Reference(s)

Organic Syntheses, Coll. Vol. 3, p. 573, 1955
Synthetic Communications, 21, p. 1889, 1991 DOI: 10.1080/00397919108021779

Purification Methods

Crystallise it to constant melting point from butan-1-ol, then from EtOH. It can be sublimed under vacuum. [Beilstein 7 IV 2574.]

Disperse Red 9 Preparation Products And Raw materials

Raw materials

Disperse Red 9Supplier

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