- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 3,4-Thiophenedicarboxylic 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: 3,4-Thiophenedicarboxylic Acid
- Price: ￥56.0/250mg ￥696.0/10g ￥386.0/5g ￥116.0/1g
- Purity: 98.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: Thiophene-3,4-dicarboxylic acid
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
4282-29-5
4282-29-5 structure
- Name: 3,4-Thiophenedicarboxylic Acid
- Chemical Name: Thiophene-3,4-Dicarboxylic Acid
- CAS Number: 4282-29-5
- Molecular Formula: C6H4O4S
- Molecular Weight: 172.159
- Catalog: Pharmaceutical intermediate Heterocyclic compound Thiophene compound
- Create Date: 2018-06-18 12:53:24
- Modify Date: 2025-09-14 21:06:55
| Name | Thiophene-3,4-Dicarboxylic Acid |
|---|---|
| Synonyms |
Thiophene-3,4-dicarboxylic acid
T5SJ CVQ DVQ 3,4-Thiophenedicarboxylic Acid MFCD00067079 |
| Density | 1.7±0.1 g/cm3 |
|---|---|
| Boiling Point | 405.9±30.0 °C at 760 mmHg |
| Melting Point | 227-231ºC |
| Molecular Formula | C6H4O4S |
| Molecular Weight | 172.159 |
| Flash Point | 199.3±24.6 °C |
| Exact Mass | 171.983032 |
| PSA | 102.84000 |
| LogP | 0.35 |
| Vapour Pressure | 0.0±1.0 mmHg at 25°C |
| Index of Refraction | 1.663 |
| Hazard Codes | Xi: Irritant; |
|---|---|
| Risk Phrases | R36/37/38 |
| Safety Phrases | 24/25 |
| RIDADR | NONH for all modes of transport |
| HS Code | 2934999090 |
|
~92%
4282-29-5 |
| Literature: Crayston, Joe A.; Iraqi, Ahmed; Mallon, Philip; Walton, John C. Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1993 , # 9 p. 1589 - 1596 |
|
~%
4282-29-5 |
| Literature: Sice Journal of Organic Chemistry, 1954 , vol. 19, p. 70,72 |
|
~%
4282-29-5 |
| Literature: Uy, Rycel; Yang, Liqiang; Zhou, Huaxing; Price, Samuel C.; You, Wei Macromolecules, 2011 , vol. 44, # 23 p. 9146 - 9154 |
|
~%
4282-29-5 |
| Literature: Crayston, Joe A.; Iraqi, Ahmed; Mallon, Philip; Walton, John C. Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1993 , # 9 p. 1589 - 1596 |
|
~%
4282-29-5 |
| Literature: Crayston, Joe A.; Iraqi, Ahmed; Mallon, Philip; Walton, John C. Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1993 , # 9 p. 1589 - 1596 |
|
~%
4282-29-5 |
| Literature: Kornfeld; Jones Journal of Organic Chemistry, 1954 , vol. 19, p. 1671,1677 |
|
~%
4282-29-5 |
| Literature: Kornfeld; Jones Journal of Organic Chemistry, 1954 , vol. 19, p. 1671,1677 |
|
~%
4282-29-5 |
| Literature: Benko, Jan; Vollarova, Olga Collection of Czechoslovak Chemical Communications, 1988 , vol. 53, # 6 p. 1268 - 1273 |
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |