4593-38-8
5-methy1-2,3-dihydroinden-1-one
CAS: 4593-38-8
Molecular Formula: C10H10O
4593-38-8 - Names and Identifiers
| Name | 5-methy1-2,3-dihydroinden-1-one |
| Synonyms | 5-Methylindanone 5-methlyindanone 5-METHYLINDAN-1-ONE 5-Methyl-1-indanone 5-methy1-2,3-dihydroinden-1-one 5-methyl-2,3-dihydroinden-1-one 5-Methyl-2,3-dihydroinden-1-one 5-methyl-2,3-dihydro-1H-inden-1-one 1H-Inden-1-one, 2,3-dihydro-5-methyl- |
| CAS | 4593-38-8 |
| InChI | InChI=1/C10H10O/c1-7-2-4-9-8(6-7)3-5-10(9)11/h2,4,6H,3,5H2,1H3 |
4593-38-8 - Physico-chemical Properties
| Molecular Formula | C10H10O |
| Molar Mass | 146.19 |
| Density | 1.113±0.06 g/cm3(Predicted) |
| Melting Point | 69-73 °C |
| Boling Point | 262.4±25.0 °C(Predicted) |
| Flash Point | 108.388°C |
| Vapor Presure | 0.011mmHg at 25°C |
| Appearance | solid |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.575 |
| MDL | MFCD00032996 |
4593-38-8 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | 22 - Harmful if swallowed |
| Safety Description | 36/37 - Wear suitable protective clothing and gloves. |
| WGK Germany | 2 |
4593-38-8 - Reference Information
| use | 2,3-dihydro-1-indanone is an important chemical raw material with simple structure and wide application. it is an important intermediate for synthesizing various medicines and pesticides. |
| Preparation | CN201110288317.6 provides a method for preparing 2,3-dihydro-1-indanone and its derivatives. The present invention will react in two steps and make a one-pot process., Thereby reducing the purification, drying, and packaging of intermediates, avoiding the possibility of allergies, reducing the use of catalysts, simplifying operations, and reducing production costs, it reduces environmental pollution and protects the health of workers. Toluene (100g,1.08mol), aluminum trichloride (405g,3.05mol),NaCl(70g,1.2mol) were added to a 1-liter three-mouth flask, stirred, and 3-chloropropionyl chloride (140g,1.1mol) was added dropwise at 5-15 ℃, the molar ratio of toluene to 3-chloropropionyl chloride was 1: 1, and the molar ratio of toluene, aluminum trichloride and NaCl was 1: 2.8: 1.1, stir at 50-65 ℃ for 90 minutes, stir at 170-180 ℃ for 120 minutes, cool to 75-85 ℃, pour into 1kg of ice water hydrochloric acid, filter to obtain 144g of crude product, recrystallize to obtain 114g of solid, yield 72% (purity> 98%), melting point 73-74 ℃. |
Last Update：2024-04-09 15:16:50
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