4-Methylcarbostyril
2-Hydroxy-4-methylquinoline
CAS: 607-66-9
Molecular Formula: C10H9NO
4-Methylcarbostyril - Names and Identifiers
| Name | 2-Hydroxy-4-methylquinoline |
| Synonyms | lepidone AKOS BB-6896 2-Hydroxylepidine 2-HYDROXYLEPIDINE 4-Methylcarbostyril 4-Methyl-2-quinolone 4-Methyl-2-quinolinol Carbostyril, 4-methyl- 4-Methylquinolin-2-one 4-methylquinolin-2(1H)-one 4-Methyl-2(1H)-quinolinone 2-Hydroxy-4-methylquinoline 2-Hydroxylepidine~4-Methylcarbostyril |
| CAS | 607-66-9 |
| EINECS | 210-139-0 |
| InChI | InChI=1/C10H9NO/c1-7-6-10(12)11-9-5-3-2-4-8(7)9/h2-6H,1H3,(H,11,12) |
4-Methylcarbostyril - Physico-chemical Properties
| Molecular Formula | C10H9NO |
| Molar Mass | 159.18 |
| Density | 1.1202 (rough estimate) |
| Melting Point | 221-223 °C (lit.) |
| Boling Point | 284.68°C (rough estimate) |
| Flash Point | 201.8°C |
| Vapor Presure | 5.94E-05mmHg at 25°C |
| Appearance | powder to crystal |
| Color | White to Almost white |
| BRN | 118331 |
| pKa | 11.83±0.70(Predicted) |
| Storage Condition | 2-8°C |
| Refractive Index | 1.6070 (estimate) |
| MDL | MFCD00006745 |
| Physical and Chemical Properties | Needle-like crystals. Melting point 245 °c, boiling point> 360,270 °c (2.27kPa). Soluble in ethanol and hot water, slightly soluble in cold water, ether, chloroform and benzene. |
4-Methylcarbostyril - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| 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 S22 - Do not breathe dust. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| WGK Germany | 3 |
| HS Code | 29334990 |
4-Methylcarbostyril - Reference Information
| Use | is useful as an intermediate in organic synthesis. |
| production method | obtained by cyclization of acetoacetanilide in the presence of sulfuric acid. Concentrated sulfuric acid was preheated to 75 °c and acetoacetanilide was added in portions to control the temperature between 70 °c and 75 °c. At the end of the addition the temperature was raised to 95 °c and after 15min of reaction it was cooled to 65 °c and the mixture was poured into water. After cooling, filtration, the product was washed with water and methanol, dried and recrystallized from 95% ethanol to give the final product. |
Last Update：2024-04-09 19:05:13
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