27328-68-3
(5-chloro-1H-indazol-3-yl)acetic acid
CAS: 27328-68-3
Molecular Formula: C9H7ClN2O2
27328-68-3 - Names and Identifiers
| Name | (5-chloro-1H-indazol-3-yl)acetic acid |
| Synonyms | 5-Chloro-1H-3-indazoleacetic acid 5-Chloro-1H-indazole-3-acetic acid 5-CHLOROINDAZOLE-3-CARBOXYLIC ACID 5-chloro-1H-indazol-3-yl acetic acid 1H-indazole-3-acetic acid, 5-chloro- (5-chloro-1H-indazol-3-yl)acetic acid 5-CHLORO-1H-INDAZOLE-3-CARBOXYLIC ACID 2-(5-chloro-1H-indazol-3-yl)acetic acid 2-(5-chloro-2H-indazol-3-yl)acetic acid 5-CHLORO-3-(1H)INDAZOLE CARBOXYLIC ACID |
| CAS | 27328-68-3 |
| InChI | InChI=1/C9H7ClN2O2/c10-5-1-2-7-6(3-5)8(12-11-7)4-9(13)14/h1-3H,4H2,(H,11,12)(H,13,14) |
27328-68-3 - Physico-chemical Properties
| Molecular Formula | C9H7ClN2O2 |
| Molar Mass | 210.62 |
| Density | 1.566 |
| Melting Point | approximate 199℃(dec.) |
| Boling Point | 463.9±30.0 °C(Predicted) |
| Flash Point | 234.336°C |
| Vapor Presure | 0mmHg at 25°C |
| pKa | 3.81±0.30(Predicted) |
| Storage Condition | 2-8°C |
| Refractive Index | 1.711 |
| Physical and Chemical Properties | This product is solid, insoluble in water. |
27328-68-3 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | 22 - Harmful if swallowed |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| HS Code | 29339900 |
27328-68-3 - Reference Information
| use | 5-chloro-1H-indazole-3-acetic acid is an intermediate of plant growth regulator indazole. |
| Production method | The preparation method is based on benzaldehyde as raw material, first chlorinated to produce 3-chlorobenzaldehyde, and then nitrated to obtain 5-chloro-2-nitrobenzaldehyde, and further reacted with malonic acid in the presence of formic acid and ammonium formate to obtain 3-(2-nitro-5-chlorophenyl)-3-aminopropionic acid, then it is reduced with hydrazine hydrate or aluminum powder and cyclized to obtain the product. |
Last Update：2024-04-09 15:16:49
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View History
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