2-Carboxy-5-methylthiophene
5-Methyl-2-thiophenecarboxylic acid
CAS: 1918-79-2
Molecular Formula: C6H6O2S
2-Carboxy-5-methylthiophene - Names and Identifiers
| Name | 5-Methyl-2-thiophenecarboxylic acid |
| Synonyms | AKOS B000091 TIMTEC-BB SBB004146 RARECHEM AL BE 0181 5-METHYL-2-THENOIC ACID 2-Carboxy-5-methylthiophene 5-methylthiophene-2-carboxylate 5-Methylthiophen-2-carboxylic acid 5-Methylthiophene-2-carboxylic acid 5-Methyl-2-thiophenecarboxylic acid 2-Methyl-5-thiophenecarboxylic acid 5-Methyl-2-thiophenecaroboxylic acid 2-Thiophenecarboxylic acid, 5-methyl- |
| CAS | 1918-79-2 |
| EINECS | 217-640-3 |
| InChI | InChI=1/C6H6O2S/c1-4-2-3-5(9-4)6(7)8/h2-3H,1H3,(H,7,8)/p-1 |
2-Carboxy-5-methylthiophene - Physico-chemical Properties
| Molecular Formula | C6H6O2S |
| Molar Mass | 142.18 |
| Density | 1.365 (estimate) |
| Melting Point | 135-138°C(lit.) |
| Boling Point | 229.75°C (rough estimate) |
| Flash Point | 120°C |
| Vapor Presure | 0.00258mmHg at 25°C |
| Appearance | Liquid |
| Color | Clear |
| BRN | 113857 |
| pKa | 3.71±0.10(Predicted) |
| Storage Condition | 2-8°C(protect from light) |
| Refractive Index | 1.5300 (estimate) |
| MDL | MFCD00005439 |
| Physical and Chemical Properties | White or pale yellow powder. Melting point 136-138 °c. |
2-Carboxy-5-methylthiophene - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| HS Code | 29309090 |
| Hazard Class | IRRITANT |
2-Carboxy-5-methylthiophene - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
Last Update：2024-04-09 20:52:54
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CAS: 1918-79-2
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CAS: 1918-79-2
Tel: 17505222756
Email: pules.cn@gmail.com
Mobile: +86-17551318830
Wechat: 17505222756
Spot supply
Product Name: 5-Methylthiophene-2-carboxylic acid Visit Supplier Webpage Request for quotationCAS: 1918-79-2
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