4-Methoxybenzo[b]thiophene
- CAS NO.：3781-90-6
- Empirical Formula: C9H8OS
- Molecular Weight: 164.22
- MDL number: MFCD18452497
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 05:58:23
![4-Methoxybenzo[b]thiophene Structural](https://img.chemicalbook.in/CAS/GIF/3781-90-6.gif)
What is 4-Methoxybenzo[b]thiophene?
Definition
4-Methoxybenzo[b]thiophene (4MBT) is an electron donor. The presence of the heteroatom sulfur (S) in 4MBT seems to be responsible for the observed significant changes in the transition energies of this molecule compared to that of analogous compound 4-methylindole (4MI) in spite of the structural similarities of these two compounds[1].
References
[1] Maiti M, et al. Photophysics of 4-methoxy-benzo[b]thiophene in different environments. Its role in non-radiative transitions both as an electron and as an energy donor. Journal of Luminescence, 1999; 82: 259-276.
Properties of 4-Methoxybenzo[b]thiophene
| Boiling point: | 80 °C(Press: 0.05 Torr) |
| Density | 1.198±0.06 g/cm3(Predicted) |
| storage temp. | Sealed in dry,Room Temperature |
Safety information for 4-Methoxybenzo[b]thiophene
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. 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 4-Methoxybenzo[b]thiophene
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