6531-35-7
2,3-dimethylanthraquinone
CAS: 6531-35-7
Molecular Formula: C16H12O2
6531-35-7 - Names and Identifiers
| Name | 2,3-dimethylanthraquinone |
| Synonyms | 2,3-dimethylanthraquinone 2,3-DIMETHYLANTHRAQUINONE DIMETHYLANTHRAQUINONE,2,3- DIMETHYLANTHRAQUINONE,2,3-(RG) 2,3-Dimethylanthracene-9,10-dione 2,3-Dimethyl-9,10-anthracenedione 9,10-Anthracenedione, 2,3-dimethyl- 3-ACETYL-2-[(4-FLUOROPHENYL)AMINO]-6-METHYL-4H-PYRAN-4-ONE [2-[2-(methylamino)ethylamino]ethylthio]phosphonic acid pentahydrate |
| CAS | 6531-35-7 |
| InChI | InChI=1/C16H12O2/c1-9-7-13-14(8-10(9)2)16(18)12-6-4-3-5-11(12)15(13)17/h3-8H,1-2H3 |
6531-35-7 - Physico-chemical Properties
| Molecular Formula | C16H12O2 |
| Molar Mass | 236.27 |
| Density | 1.233g/cm3 |
| Melting Point | 210-212 °C (lit.) |
| Boling Point | 421°C at 760 mmHg |
| Flash Point | 157.4°C |
| Solubility | Melting point 210 ℃, sublimation, soluble in ethanol, benzene, xylene |
| Vapor Presure | 2.69E-07mmHg at 25°C |
| Appearance | Yellow crystal |
| Storage Condition | 2-8℃ |
| Refractive Index | 1.631 |
| MDL | MFCD00045379 |
| Physical and Chemical Properties | Chemical properties yellow crystal. Melting point 210 ℃, sublimation, soluble in ethanol, benzene, xylene. |
| Use | Uses intermediates in organic synthesis. |
6531-35-7 - 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 |
6531-35-7 - Upstream Downstream Industry
| Raw Materials | Anthraquinone 1,4-Naphthoquinone |
6531-35-7 - Production method
Heat 1,4-naphthoquinone, dimethyl butadiene and ethanol and reflux for 5h. Cool and leave for 10-12h. The lumps are mashed, filtered, and washed with cold ethanol to obtain tetrahydrodimethylanthraquinone (melting point 147-149°C). Mix with potassium hydroxide ethanol solution, pass air for 24h, and the reaction is exothermic. Then suction filtration, followed by washing with water, ethanol and ether, drying to obtain 2, 3-dimethylanthraquinone.
Last Update：2024-04-10 22:29:15
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Raw Materials for 6531-35-7