Disperse Red 9
- CAS No.
- 82-38-2
- Chemical Name:
- Disperse Red 9
- Synonyms
- SOLVENT RED 111;C.I. Solvent Red 111;1-(METHYLAMINO)ANTHRAQUINONE;S.R111;Red GL;oilredzmg;smokeredm;c.i.60505;oracetredg;abcolpinkr
- CBNumber:
- CB5481613
- Molecular Formula:
- C15H11NO2
- Molecular Weight:
- 237.25
- MDL Number:
- MFCD00001197
- MOL File:
- 82-38-2.mol
- MSDS File:
- SDS
| Product description | Number | Pack Size | Price |
| 1-(Methylamino)anthraquinone 98% | M28200 | 5g | $55.2 |
| 1-(Methylamino)anthraquinone 98% | M28200 | 100g | $80.5 |
| 1-(Methylamino)anthraquinone >98.0%(HPLC) | M0255 | 25g | $53 |
| 1-(Methylamino)anthraquinone >98.0%(HPLC) | M0255 | 500g | $404 |
| 1-(Methylamino)anthraquinone 98% | M28200 | 500g | $611 |
| More product size | |||
| 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) |
| Henry's Law Constant | 3.3×102 mol/(m3Pa) at 25℃, Duchowicz et al. (2020) |
| Major Application |
diagnostic assay manufacturing hematology histology |
| InChI | 1S/C15H11NO2/c1-16-12-8-4-7-11-13(12)15(18)10-6-3-2-5-9(10)14(11)17/h2-8,16H,1H3 |
| InChIKey | SVTDYSXXLJYUTM-UHFFFAOYSA-N |
| SMILES | CNc1cccc2C(=O)c3ccccc3C(=O)c12 |
| LogP | 4.95 at 23℃ and pH8.2 |
| CAS DataBase Reference | 82-38-2(CAS DataBase Reference) |
| EWG's Food Scores | 1 |
| FDA UNII | 5O1807MLL1 |
| NIST Chemistry Reference | 1-(N-Methylamino)-9,10-anthraquinone(82-38-2) |
| EPA Substance Registry System | C.I. Disperse Red 9 (82-38-2) |
| UNSPSC Code | 12171500 |
| NACRES | NA.47 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 |
| target organs | Respiratory system |
| PPE | dust mask type N95 (US), Eyeshields, Gloves |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-37/39 |
| WGK Germany | 3 |
| RTECS | CB0536600 |
| TSCA | TSCA listed |
| HS Code | 2922.39.4500 |
| Storage Class | 11 - Combustible Solids |
| Hazard Classifications | Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |
Disperse Red 9 price More Price(23)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | M28200 | 1-(Methylamino)anthraquinone 98% | 82-38-2 | 5g | $55.2 | 2026-03-19 | Buy |
| Sigma-Aldrich | M28200 | 1-(Methylamino)anthraquinone 98% | 82-38-2 | 100g | $80.5 | 2026-03-19 | Buy |
| TCI Chemical | M0255 | 1-(Methylamino)anthraquinone >98.0%(HPLC) | 82-38-2 | 25g | $53 | 2026-03-19 | Buy |
| TCI Chemical | M0255 | 1-(Methylamino)anthraquinone >98.0%(HPLC) | 82-38-2 | 500g | $404 | 2026-03-19 | Buy |
| Sigma-Aldrich | M28200 | 1-(Methylamino)anthraquinone 98% | 82-38-2 | 500g | $611 | 2026-03-19 | Buy |
Disperse Red 9 Chemical Properties,Uses,Production
Chemical Properties
Red powder. Soluble in acetone, ethanol, ethylene glycol ether, linseed oil. Slightly soluble in benzene, carbon tetrachloride. Insoluble in Staudt's solvent. Brown in concentrated sulfuric acid, turns dark orange when diluted.
Uses
1-Methylaminoanthraquinone is an important intermediate for manufacturing solvent dyes and acid dyes.
Preparation
1-Chloroanthraquinoneor 9,10-Dioxo-9,10-dihydroanthracene-1-sulfonic acidin 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
1of4
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Winchem industrial co limited | +8613003762012 | info@win-chemical.com | China | 300 | 58 |
| Hebei Chuanghai Biotechnology Co., Ltd | +8615350571055 | Sibel@chuanghaibio.com | China | 8738 | 58 |
| Shaanxi Dideu Medichem Co. Ltd | +86-29-81139210 +86-18192627656 | 1059@dideu.com | China | 3590 | 58 |
| Hebei Yanxi Chemical Co., Ltd. | +8618531123677 | faithe@yan-xi.com | China | 5853 | 58 |
| Henan Bao Enluo International TradeCo.,LTD | +86-17331933971 | deasea125996@gmail.com | China | 2472 | 58 |
| Hebei Zhuanglai Chemical Trading Co Ltd | +86-16264648883 | niki@zlchemi.com | China | 7245 | 58 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21592 | 55 |
| career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29823 | 58 |
| QINGDAO HONG JIN CHEMCIAL CO.,LTD. | +86-86-532-83657313 +86-18663969289 | hjt@hong-jin.com | China | 225 | 58 |
| Shandong chuangyingchemical Co., Ltd. | 18853181302 | sale@chuangyingchem.com | CHINA | 5906 | 58 |
View Lastest Price from Disperse Red 9 manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
![]() |
2026-03-20 | 1-(Methylamino)anthraquinone
82-38-2
|
US $10.00 / kg | 1kg | 99% | 10 mt | Hebei Chuanghai Biotechnology Co., Ltd | |
![]() |
2025-12-12 | Disperse Red 9
82-38-2
|
US $0.00-0.00 / kG | 1kG | 99% | 1000KG | Shaanxi Dideu Medichem Co. Ltd | |
![]() |
2025-06-20 | Disperse Red 9
82-38-2
|
US $50.00 / kg | 1kg | 0.99 | 10000 | Hebei Yanxi Chemical Co., Ltd. |
-

- 1-(Methylamino)anthraquinone
82-38-2
- US $10.00 / kg
- 99%
- Hebei Chuanghai Biotechnology Co., Ltd
-

- Disperse Red 9
82-38-2
- US $0.00-0.00 / kG
- 99%
- Shaanxi Dideu Medichem Co. Ltd
-

- Disperse Red 9
82-38-2
- US $50.00 / kg
- 0.99
- Hebei Yanxi Chemical Co., Ltd.





