82-38-2
1-(methylamino)anthraquinone
CAS: 82-38-2
Molecular Formula: C15H11NO2
82-38-2 - Names and Identifiers
| Name | 1-(methylamino)anthraquinone |
| Synonyms | S.R111 Red GS C.I. 60505 Plast red 3002 Solvent Red 2R Disperse red 9 Solvent Red 111 SOVLENT RED 111 Transparent Red GS C.I. Disperse Red 9 C.I.Solvent Red 111 C.I. Solvent Red 111 1-Methylaminoanthraquinone 1-Methylamineanthraquinone 1-Methylamino-anthrachinon 1-Methylamino anthraquinone 1-(methylamino)anthraquinone 1-(methylamino)anthracene-9,10-dione 10-Anthracenedione,1-(methylamino)-9 9,10-Anthracenedione,1-(methylamino)- 9,10-Anthracenedione, 1-(methylamino)- |
| CAS | 82-38-2 |
| EINECS | 201-417-2 |
| InChI | InChI=1/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 |
82-38-2 - Physico-chemical Properties
| Molecular Formula | C15H11NO2 |
| Molar Mass | 237.25 |
| Density | 1.1469 (rough estimate) |
| Melting Point | 170-172°C |
| Boling Point | 379.79°C (rough estimate) |
| Flash Point | 195.3°C |
| Water Solubility | 73.55ug/L(25 ºC) |
| Vapor Presure | 0-0Pa at 20-50℃ |
| Appearance | Powder |
| Color | Orange to Brown |
| pKa | 2.27±0.20(Predicted) |
| Storage Condition | room temp |
| Refractive Index | 1.5500 (estimate) |
| MDL | MFCD00001197 |
| Physical and Chemical Properties | Red powder. Soluble in acetone, ethanol, ethylene glycol ether, linseed oil. Slightly soluble in benzene, carbon tetrachloride. Insoluble in stout solvent. It is brown in concentrated sulfuric acid and turns dark orange after dilution. |
| Use | Used as a dye intermediate |
82-38-2 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| RTECS | CB0536600 |
82-38-2 - Reference Information
| LogP | 4.95 at 23℃ and pH8.2 |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | disperse Red 9 is used for dyeing polyester, nylon, acrylic, acetate, blended fabric and triacetate, leather and plastic dyeing. For the dyeing of polyvinyl chloride and acetic acid fiber. The level is good, and the improvement rate is high. transparent red GS is used for coloring various plastics, oils, waxes, inks, etc., and is also an important intermediate for synthetic dyes and organic pigments. Disperse Red 9, also known as 1-methylaminoanthraquinone, is an anthraquinone solvent dye and an important intermediate in the production of Solvent dyes. It is also a kind of solvent dye, which is bright in color, high fastness, a large number of used in fuel oil coloring, paraffin coloring, a large number of used in plastic, organic glass and synthetic fiber pulp coloring. |
| production method | with anthraquinone -1-sulfonic acid (or 1-chloroanthraquinone, 1-nitroanthraquinone) and methylamine as raw materials, the condensation of the two products. The final product was obtained by filtration and drying. to a 4L autoclave were added 399G (1.29mol) of sodium anthraquinone -1-sulfonate, 45g(0.43mol) of sodium chlorate, 780g(6.25mol) of a 25% aqueous solution of methylamine and 1.2L of water, it was heated with stirring and reacted for 12h at 130-135 °c. Cooling, filtration, washing with hot water and drying gave 180-199g1-methylaminoanthraquinone in 59-65% yield. |
Last Update：2024-04-09 20:52:54
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