| 4-Methyl-2-thiophenecarboxylic acid Basic information |
| Product Name: | 4-Methyl-2-thiophenecarboxylic acid |
| Synonyms: | BUTTPARK 99\15-30;ASINEX-REAG BAS 07664671;4-METHYLTHIOPHENE-2-CARBOXYLIC ACID;2-Carboxy-4-methylthiophene;2-Carboxy-4-methylthiophene, 4-Methyl-2-thenoic acid;4-Methylthiophene-2-carboxylic acid 97%;4-Methyl-2-thiophenecarboxylic acid;4-methylthiophen-2-carboxlic acid |
| CAS: | 14282-78-1 |
| MF: | C6H6O2S |
| MW: | 142.18 |
| EINECS: | |
| Product Categories: | OthersBuilding Blocks;Heterocyclic Building Blocks;Thiophen;Protecting and Derivatizing Reagents;Protection and Derivatization;Thiophenes;Thiophene&Benzothiophene;Thiophens |
| Mol File: | 14282-78-1.mol |
| 4-Methyl-2-thiophenecarboxylic acid Chemical Properties |
| 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 |
| Hazard Codes | Xi |
| Risk Statements | 36-43 |
| Safety Statements | 26-37/39 |
| WGK Germany | 3 |
| HazardClass | IRRITANT |
| HS Code | 29349990 |
| MSDS Information |
| Provider | Language |
|---|---|
| SigmaAldrich | English |
| 4-Methyl-2-thiophenecarboxylic acid Usage And Synthesis |
| Chemical Properties | white to light yellow crystal powder |
| Synthesis Reference(s) | Chemistry Letters, 12, p. 127, 1983Tetrahedron Letters, 15, p. 2373, 1974 DOI: 10.1016/S0040-4039(01)92259-2 |
| 4-Methyl-2-thiophenecarboxylic acid Preparation Products And Raw materials |
| Raw materials | Diethyl ether-->Sodium-->1-Bromobutane-->2-Methylthiophene-->3-Methyl-2-thiophenecarboxylic acid-->3-Methylthiophene-->carbon monoxide-->CARBON DIOXIDE |
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