4-Methyl-2-thiophenecarboxylic acid
- CAS NO.：14282-78-1
- Empirical Formula: C6H6O2S
- Molecular Weight: 142.18
- MDL number: MFCD00089284
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 06:09:16
What is 4-Methyl-2-thiophenecarboxylic acid?
Chemical properties
white to light yellow crystal powder
Synthesis Reference(s)
Chemistry Letters, 12, p. 127, 1983
Tetrahedron Letters, 15, p. 2373, 1974 DOI: 10.1016/S0040-4039(01)92259-2
Properties of 4-Methyl-2-thiophenecarboxylic acid
| Melting point: | 122-126 °C(lit.) |
| Boiling point: | 158 °C(Press: 16 Torr) |
| Density | 1.319±0.06 g/cm3(Predicted) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| pka | 3.76±0.10(Predicted) |
| CAS DataBase Reference | 14282-78-1(CAS DataBase Reference) |
Safety information for 4-Methyl-2-thiophenecarboxylic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H317:Sensitisation, Skin H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. 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 4-Methyl-2-thiophenecarboxylic acid
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