3621-82-7
2,6-Dichlorobenzoxazole
CAS: 3621-82-7
Molecular Formula: C7H3Cl2NO
3621-82-7 - Names and Identifiers
| Name | 2,6-Dichlorobenzoxazole |
| Synonyms | 222-818-9 6-Dichlorobenzoxazole 2,6-Dichlorobenzoxazole 2,6-DICHLOROBENZOXAZOLE 2,6-Dichlorobenzoxazolel Benzoxazole, 2,6- dichloro- 2,6-Dichloro-1,3-benzoxazole 2,6-dichloro-1,3-benzoxazole 3-(4-chlorophenyl)-2-phenyl-1-[4-[2-(1-pyrrolidinyl)ethoxy]phenyl]-1-propanone |
| CAS | 3621-82-7 |
| EINECS | 222-818-9 |
| InChI | InChI=1/C7H3Cl2NO/c8-4-1-2-5-6(3-4)11-7(9)10-5/h1-3H |
| InChIKey | LVVQTPZQNHQLOM-UHFFFAOYSA-N |
3621-82-7 - Physico-chemical Properties
| Molecular Formula | C7H3Cl2NO |
| Molar Mass | 188.01 |
| Density | 1.522±0.06 g/cm3(Predicted) |
| Melting Point | 49-51°C |
| Boling Point | 110°C/13mmHg(lit.) |
| Flash Point | 100.7°C |
| Vapor Presure | 0.0516mmHg at 25°C |
| pKa | -0.96±0.30(Predicted) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Refractive Index | 1.636 |
| Physical and Chemical Properties | This product is a solid, insoluble in water, soluble in chlorobenzene. |
3621-82-7 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | 22 - Harmful if swallowed |
3621-82-7 - Reference Information
| Uses | 2,6-dichlorobenzoxazole is an intermediate of the herbicide oxazolaoxazole. Pesticide intermediates. |
| production method | its preparation method is to add 2-benzoxazolone and chlorobenzene into the reaction kettle, pass chlorine gas, the temperature gradually rises, the reaction time is 3h, the reaction temperature is 40~130 ℃, the amount of chlorine gas is controlled, and hydrogen chloride and excess chlorine gas are driven away after the reaction is over, 2-hydroxy-6-chlorobenzoxazole was obtained, and then heated, reacted with phosphorus trichloride to obtain 2, 6-dichlorobenzoxazole, and desolventilated chlorobenzene to obtain the finished product. |
Last Update：2024-04-09 15:16:44
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