- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 5-Methly-2-thiophenecarboxylic acid
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 5-Methly-2-thiophenecarboxylic acid
- Price: ￥128.0/5g
- Purity: 98.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 5-Methyl-2-thiophenecarboxylic acid
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
1918-79-2
1918-79-2 structure
- Name: 5-Methly-2-thiophenecarboxylic acid
- Chemical Name: 5-methylthiophene-2-carboxylic acid
- CAS Number: 1918-79-2
- Molecular Formula: C6H6O2S
- Molecular Weight: 142.176
- Catalog: Pharmaceutical intermediate Heterocyclic compound Thiophene compound
- Create Date: 2018-09-04 09:56:09
- Modify Date: 2025-08-24 15:09:51
| Name | 5-methylthiophene-2-carboxylic acid |
|---|---|
| Synonyms |
5-Methyl-2-thiophenecarboxylic acid
5-methyl-thiophene-2-carboxylic acid 5-methylthiophene-2-carboxylic acid 5-Methyl-2-thenoic Acid 5-Methly-2-thiophenecarboxylic acid 2-methylthiophene-5-carboxylic acid MFCD00005439 5-Methyl-2-thiophene carboxylic acid 2-Carboxy-5-methylthiophene EINECS 217-640-3 2-Thiophenecarboxylic acid, 5-methyl- 2-Thiophenecarboxylic acid,5-methyl Rivaroxaban Impurity 32 |
| Density | 1.3±0.1 g/cm3 |
|---|---|
| Boiling Point | 274.7±20.0 °C at 760 mmHg |
| Melting Point | 135-138 °C(lit.) |
| Molecular Formula | C6H6O2S |
| Molecular Weight | 142.176 |
| Flash Point | 120.0±21.8 °C |
| Exact Mass | 142.008850 |
| PSA | 65.54000 |
| LogP | 2.03 |
| Vapour Pressure | 0.0±0.6 mmHg at 25°C |
| Index of Refraction | 1.591 |
| Personal Protective Equipment | Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter |
|---|---|
| Hazard Codes | Xi: Irritant; |
| Risk Phrases | R36/37/38 |
| Safety Phrases | S22-S24/25 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| HS Code | 2934999090 |
| Precursor 10 | |
|---|---|
| DownStream 10 | |
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |