- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: Thiophene-2,5-dicarboxylic acid
- Price: ￥98.0/5g ￥278.0/25g
- Purity: 98.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 2,5-Thiophenedicarboxylic acid
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Zhejiang Hangyu API Co., Ltd
- China
- Product Name: 2,5-Thiophenedicarboxylic acid
- Price: ￥Inquiry/1kg
- Purity: 99.5%
- Stocking Period: Inquiry
- Contact: Vinnie
- Henan Tianfu Chemical Co., Ltd.
- China
- Product Name: 2,5-Thiophenedicarboxylic acid
- Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
- Purity: 99.0%
- Stocking Period: Inquiry
- Contact: Anson
4282-31-9
4282-31-9 structure
- Name: Thiophene-2,5-dicarboxylic acid
- Chemical Name: 2,5-Thiophenedicarboxylic acid
- CAS Number: 4282-31-9
- Molecular Formula: C6H4O4S
- Molecular Weight: 172.159
- Catalog: Catalysts and additives Fluorescent whitening agent
- Create Date: 2018-08-07 10:33:09
- Modify Date: 2024-01-02 17:39:35
| Name | 2,5-Thiophenedicarboxylic acid |
|---|---|
| Synonyms |
5-carboxythiophene-2-carboxylic acid
thiophene-2,5-dicarboxylic acid 2,5-Thiophenedicarbo 2,5-Thiophenedicarboxylic acid 2,5-THIOPHENEDICARBOXYLIC 2,5-Thiophene dicarboxylic acid RARECHEM AL BE 0623 Thiophene-2,5-Dicarboxyl Acid Thiophene-,'-dicarboxylic acid 2,5-DICARBOXYTHIOPHENE EINECS 224-284-2 MFCD00016896 |
| Density | 1.7±0.1 g/cm3 |
|---|---|
| Boiling Point | 444.6±30.0 °C at 760 mmHg |
| Melting Point | >300 °C(lit.) |
| Molecular Formula | C6H4O4S |
| Molecular Weight | 172.159 |
| Flash Point | 222.7±24.6 °C |
| Exact Mass | 171.983032 |
| PSA | 102.84000 |
| LogP | 1.34 |
| Vapour Pressure | 0.0±1.1 mmHg at 25°C |
| Index of Refraction | 1.663 |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H315-H319-H335 |
| Precautionary Statements | P261-P305 + P351 + P338 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xi:Irritant |
| Risk Phrases | R36/37/38 |
| Safety Phrases | S26-S36-S37/39 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| HS Code | 2934999090 |
| Precursor 9 | |
|---|---|
| DownStream 10 | |
![Diethyl N-[5-methylamino-2-thenoyl]-L-glutamate structure](https://www.chemsrc.com/caspic/095/112889-02-8.png)
![Diethyl N-[5-[N-[(3,4-dihydro-2-methyl-4-oxo-6-quinazolinyl)methyl]-N-methylamino]-2-thenoyl]-L-glutamate structure](https://www.chemsrc.com/caspic/067/132463-02-6.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% |