1H-1,2,3-benzotriazole, 5-chloro-
5-Chlorobenzotriazole
CAS: 94-97-3
Molecular Formula: C6H4ClN3
1H-1,2,3-benzotriazole, 5-chloro- - Names and Identifiers
1H-1,2,3-benzotriazole, 5-chloro- - Physico-chemical Properties
| Molecular Formula | C6H4ClN3 |
| Molar Mass | 153.57 |
| Density | 1.3647 (rough estimate) |
| Melting Point | 157-159 °C (lit.) |
| Boling Point | 252.42°C (rough estimate) |
| Flash Point | 115.776°C |
| Water Solubility | SOLUBLE IN HOT WATER |
| Vapor Presure | 0.013mmHg at 25°C |
| Appearance | powder to crystal |
| Color | White to Orange to Green |
| pKa | 7.46±0.40(Predicted) |
| Storage Condition | Room Temprature |
| Refractive Index | 1.7200 (estimate) |
1H-1,2,3-benzotriazole, 5-chloro- - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R37 - Irritating to the respiratory system |
| Safety Description | 24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| HS Code | 29339900 |
1H-1,2,3-benzotriazole, 5-chloro- - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Application | used in organic synthesis used as electroplating additive |
| production method | it uses 4-chloro-2-nitroaniline as raw material, 4-chloro-1, 2-phenylenediamine was obtained by reduction with iron powder in acidic medium, and 5-chlorobenzotriazole was obtained by diazotization and cyclization of the latter. Yield 78%. |
Last Update：2024-04-10 22:29:15
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