2-Methylbenzothiazole
- CAS NO.：120-75-2
- Empirical Formula: C8H7NS
- Molecular Weight: 149.21
- MDL number: MFCD00005794
- EINECS: 204-423-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-06-12 16:21:36
What is 2-Methylbenzothiazole?
Chemical properties
clear colorless to light amber liquid
The Uses of 2-Methylbenzothiazole
2-Methylbenzothiazole is a useful reagent for efficient development of new fluorescent probes for RNA G quadruplex imaging.
Synthesis Reference(s)
Journal of Heterocyclic Chemistry, 24, p. 1349, 1987 DOI: 10.1002/jhet.5570240523
General Description
2-Methylbenzothiazole can be synthesized by the Cu-catalyzed, base-free C-S coupling using conventional and microwave heating methods.
Properties of 2-Methylbenzothiazole
| Melting point: | 11-14 °C (lit.) |
| Boiling point: | 238 °C (lit.) |
| Density | 1.173 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | 216 °F |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | DMSO (Sparingly), Methanol (Slightly) |
| form | Liquid |
| pka | 1.65±0.10(Predicted) |
| color | slightly yellow |
| Water Solubility | Not miscible or difficult to mix with water. |
| BRN | 112427 |
| CAS DataBase Reference | 120-75-2(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzothiazole, 2-methyl-(120-75-2) |
| EPA Substance Registry System | 2-Methybenzothiazole (120-75-2) |
Safety information for 2-Methylbenzothiazole
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. 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-Methylbenzothiazole
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