- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: tnca
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: tnca
- Price: ￥188.0/5g ￥88.0/1g
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: Thianaphthene-2-carboxylic acid
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
6314-28-9
6314-28-9 structure
- Name: tnca
- Chemical Name: Thianaphthene-2-carboxylic acid
- CAS Number: 6314-28-9
- Molecular Formula: C9H6O2S
- Molecular Weight: 178.208
- Catalog: Pharmaceutical intermediate Heterocyclic compound Thiophene compound
- Create Date: 2018-02-27 08:00:00
- Modify Date: 2025-08-24 21:34:20
| Name | Thianaphthene-2-carboxylic acid |
|---|---|
| Synonyms |
Benzo[b]thiophene-2-carboxylic acid
1-Benzothiophene-2-carboxylic acid MFCD00051636 2-Benzothiophenecarboxylic Acid tnca |
| Density | 1.4±0.1 g/cm3 |
|---|---|
| Boiling Point | 376.2±15.0 °C at 760 mmHg |
| Melting Point | 238-243 °C |
| Molecular Formula | C9H6O2S |
| Molecular Weight | 178.208 |
| Flash Point | 181.3±20.4 °C |
| Exact Mass | 178.008850 |
| PSA | 65.54000 |
| LogP | 3.98 |
| Vapour Pressure | 0.0±0.9 mmHg at 25°C |
| Index of Refraction | 1.717 |
| Hazard Codes | Xi:Irritant; |
|---|---|
| Risk Phrases | R36/37/38 |
| Safety Phrases | S37/39-S26-S36 |
| HS Code | 2934999090 |
| Precursor 10 | |
|---|---|
| DownStream 9 | |
![2-chlorobenzo[b]thiophene structure](https://image.chemsrc.com/caspic/035/7342-85-0.png)
![2-(benzo[b]thiophen-2-yl)-5,5-dimethyl-1,3,2-dioxaborolane structure](https://image.chemsrc.com/caspic/006/568572-21-4.png)
![Benzo[b]thiophene-2-methanol structure](https://image.chemsrc.com/caspic/157/17890-56-1.png)
![Methyl benzo[b]thiophene-2-carboxylate structure](https://image.chemsrc.com/caspic/217/22913-24-2.png)
![3-ISOPROPOXY-5-METHOXY-N-(1H-TETRAZOL-5-YL)BENZO[B]THIOPHENE-2-CARBOXAMIDE structure](https://image.chemsrc.com/caspic/300/104795-66-6.png)
![Benzo[b]thiophene-2-carboxaldehyde structure](https://image.chemsrc.com/caspic/286/3541-37-5.png)
![BENZO[B]THIOPHENE-2-CARBONYL CHLORIDE structure](https://image.chemsrc.com/caspic/140/39827-11-7.png)
![tetraethyl [(2-benzo[b]thiophenecarboxamido)methylene]bis(phosphonate) structure](https://image.chemsrc.com/caspic/157/112855-75-1.png)
![2-CHLOROMETHYL-BENZO[B]THIOPHENE structure](https://image.chemsrc.com/caspic/081/2076-88-2.png)
![butyl (E)-3-(benzo[b]thien-3-yl)-2-propenoate structure](https://image.chemsrc.com/caspic/421/1014608-55-9.png)
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |