Disperse Red 9
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
Disperse Red 9 Chemical Properties
- Melting point:
- 170-172°C
- Boiling point:
- 379.79°C (rough estimate)
- Density
- 1.1469 (rough estimate)
- vapor pressure
- 0-0Pa at 20-50℃
- refractive index
- 1.5500 (estimate)
- storage temp.
- room temp
- form
- Powder
- pka
- 2.27±0.20(Predicted)
- color
- Orange to Brown
- Water Solubility
- 73.55ug/L(25 ºC)
- InChIKey
- SVTDYSXXLJYUTM-UHFFFAOYSA-N
- LogP
- 4.95 at 23℃ and pH8.2
- 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)
Disperse Red 9 Usage And Synthesis
Uses
1-Methylaminoanthraquinone is an important intermediate for manufacturing solvent dyes and acid dyes.
Preparation
1-Chloroanthraquinone?or 9,10-Dioxo-9,10-dihydroanthracene-1-sulfonic acid?in pressure and in the presence of antioxidants with Methanamine for processing.
Synthesis Reference(s)
Organic Syntheses, Coll. Vol. 3, p. 573, 1955
Synthetic Communications, 21, p. 1889, 1991 DOI: 10.1080/00397919108021779
Synthesis
1-Methylaminoanthraquinone, is prepared from anthraquinone- 1-sulfonic acid by replacing SO3H(see page 8), , from 1-chloroanthraquinone by replacing chlorine , , or from 1-nitroanthraquinone by replacing NO2 , .
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.]
Properties and Applications
Bright red blue light. Soluble in ethanol, acetone and soluble fiber element, slightly soluble in benzene and carbon tetrachloride, insoluble in special solvent, tao. The strong sulfuric acid for brown, for dark orange after diluted. Used for polyester, polyamide fiber, acrylic, acetate fiber and three acetate fiber dyeing, sheepskin and plastic color. Good levelness, improve rate is high.
| Standard(Vinegar fiber) | Ironing Fastness | Light Fastness | Persperation Fastness | Washing Fastness | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| ISO | 4 | 4 | 3 | 4 | 3 | ||
Disperse Red 9 Preparation Products And Raw materials
Raw materials
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