- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 2,4-Dibromothiophene
- Price: Check
- Purity: 90.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 2,4-Dibromothiophene
- Price: ￥938.0/5g ￥258.0/1g ￥4038.0/25g
- Purity: 90.0%
- Stocking Period: 1 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 2,4-Dibromothiophene
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
- Zhongshan Xingrui Chemical Co. , Ltd.
- China
- Product Name: 2,4-Dibromothiophene
- Price: ￥Inquiry/25kg
- Purity: 99.0%
- Stocking Period: Inquiry
- Contact: Wang Jie
- Email: 3096638339@qq.com
3140-92-9
3140-92-9 structure
- Name: 2,4-Dibromothiophene
- Chemical Name: 2,4-Dibromothiophene
- CAS Number: 3140-92-9
- Molecular Formula: C4H2Br2S
- Molecular Weight: 241.932
- Catalog: Pharmaceutical intermediate Heterocyclic compound Thiophene compound
- Create Date: 2018-03-28 08:00:00
- Modify Date: 2025-08-23 16:44:00
| Name | 2,4-Dibromothiophene |
|---|---|
| Synonyms |
3,5-dibromothiophene
Thiophene, 2,4-dibromo- 2,4-Dibrom-thiophen 2,3-THIOEPOXY MADOL 2,4-Dibromo-thiophene MFCD00043889 2,4-dibromothiophen Thiophene,2,4-dibromo 2,4-Dibromothiophene |
| Density | 2.2±0.1 g/cm3 |
|---|---|
| Boiling Point | 213.4±20.0 °C at 760 mmHg |
| Melting Point | -30ºC |
| Molecular Formula | C4H2Br2S |
| Molecular Weight | 241.932 |
| Flash Point | 82.9±21.8 °C |
| Exact Mass | 239.824387 |
| PSA | 28.24000 |
| LogP | 3.42 |
| Vapour Pressure | 0.2±0.4 mmHg at 25°C |
| Index of Refraction | 1.638 |
| Symbol |
GHS05, GHS06 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H301-H315-H318-H335 |
| Precautionary Statements | P261-P280-P301 + P310-P305 + P351 + P338 |
| Hazard Codes | Xn: Harmful;Xi: Irritant; |
| Risk Phrases | R36/37/38 |
| Safety Phrases | S36/37/39-S26 |
| RIDADR | UN2810 |
| Packaging Group | III |
| Hazard Class | 6.1 |
| HS Code | 2934999090 |
|
~89%
3140-92-9 |
| Literature: Journal of Chemical Research - Part S, , # 3 p. 150 - 151 |
|
~95%
3140-92-9 |
| Literature: Heterocycles, , vol. 20, # 10 p. 2035 - 2037 |
|
~17%
3140-92-9
Detail
|
| Literature: European Journal of Organic Chemistry, , # 5 p. 801 - 804 |
|
~%
3140-92-9 |
| Literature: Synthesis, , # 10 p. 771 - 773 |
|
~%
3140-92-9 |
| Literature: Justus Liebigs Annalen der Chemie, , vol. 512, p. 136,156 |
|
~%
3140-92-9 |
| Literature: Journal of Chemical Research - Part S, , # 3 p. 150 - 151 |
|
~%
3140-92-9 |
| Literature: Arkiv foer Kemi, , vol. 11, p. 317,322 |
|
~%
3140-92-9 |
| Literature: Arkiv foer Kemi, , vol. 12, p. 115,120 |
| Precursor 7 | |
|---|---|
| DownStream 10 | |
![2,4-bis[2-(trimethylsilyl)ethynyl]thiophene structure](https://image.chemsrc.com/caspic/321/1108749-40-1.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% |