2,1,3-Benzothiadiazole
Synonym(s):Piazthiole
- CAS NO.：273-13-2
- Empirical Formula: C6H4N2S
- Molecular Weight: 136.17
- MDL number: MFCD00005809
- EINECS: 205-985-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-08-14 14:02:42
What is 2,1,3-Benzothiadiazole?
Chemical properties
Colorless to light brown solid
The Uses of 2,1,3-Benzothiadiazole
2,1,3-Benzothiadiazole is a chemical reagent used in the synthesis of supramolecules as well as the synthesis of benzothiadiazole derivatives via cross coupling.
The Uses of 2,1,3-Benzothiadiazole
The product is used as an industrial solvent, and pharmaceutical intermediates for organic synthesis and used nitrocellulose and other resin, wax, fatty, dyes and other solvents.
Synthesis Reference(s)
The Journal of Organic Chemistry, 27, p. 676, 1962 DOI: 10.1021/jo01049a536
Properties of 2,1,3-Benzothiadiazole
| Melting point: | 42-44 °C (lit.) |
| Boiling point: | 206 °C (lit.) |
| Density | 1.323 (estimate) |
| refractive index | 1.5300 (estimate) |
| Flash point: | 203 °F |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | Solubility in methanol almost transparent. |
| form | Low Melting Solid |
| pka | 0.37±0.33(Predicted) |
| color | Colorless to white to pale yellow |
| BRN | 112408 |
| CAS DataBase Reference | 273-13-2(CAS DataBase Reference) |
| NIST Chemistry Reference | 2,1,3-Benzothiadiazole(273-13-2) |
| EPA Substance Registry System | 2,1,3-Benzothiadiazole (273-13-2) |
Safety information for 2,1,3-Benzothiadiazole
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 2,1,3-Benzothiadiazole
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