- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 1,2-bis(4-bromophenyl)ethyne
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 1,2-bis(4-bromophenyl)ethyne
- Price: ￥500.0/1g ￥210.0/250mg
- Purity: 98.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: bis-(p-Bromophenyl)acetylene
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
2789-89-1
2789-89-1 structure
- Name: 1,2-bis(4-bromophenyl)ethyne
- Chemical Name: 1-bromo-4-[2-(4-bromophenyl)ethynyl]benzene
- CAS Number: 2789-89-1
- Molecular Formula: C14H8Br2
- Molecular Weight: 336.021
- Create Date: 2018-04-26 08:00:00
- Modify Date: 2025-08-24 15:22:18
| Name | 1-bromo-4-[2-(4-bromophenyl)ethynyl]benzene |
|---|---|
| Synonyms |
4,4'-Dibromotolan
1,1'-(1,2-Ethynediyl)bis(4-bromobenzene) 4,4'-bis(bromophenyl)acetylene Benzene, 1,1'-(1,2-ethynediyl)bis[4-bromo- 1,2-bis(4-bromophenyl)ethyne Bis-(4-bromophenyl acetylene) 1-bromo-4-[(4-bromophenyl)ethynyl]benzene 4,4'-Dibromodiphenylacetylene 1,1'-Ethyne-1,2-diylbis(4-bromobenzene) 1,2-bis(4-bromophenyl)acetylene Bis(4-bromophenyl)acetylene |
| Density | 1.7±0.1 g/cm3 |
|---|---|
| Boiling Point | 383.6±27.0 °C at 760 mmHg |
| Melting Point | 182ºC |
| Molecular Formula | C14H8Br2 |
| Molecular Weight | 336.021 |
| Flash Point | 217.2±23.0 °C |
| Exact Mass | 333.899261 |
| LogP | 6.32 |
| Vapour Pressure | 0.0±0.8 mmHg at 25°C |
| Index of Refraction | 1.697 |
| Hazard Codes | Xi |
|---|---|
| HS Code | 2903999090 |
| Precursor 10 | |
|---|---|
| DownStream 10 | |
![1-bromo-4-[1,2-dibromo-2-(4-bromophenyl)ethyl]benzene structure](https://image.chemsrc.com/caspic/169/5405-28-7.png)
silane structure](https://image.chemsrc.com/caspic/422/16116-78-2.png)
![2,3,4,5-tetrakis[4-(3,7-dimethyloctyl)phenyl]cyclopenta-2,4-dien-1-one structure](https://image.chemsrc.com/caspic/097/347390-26-5.png)
![1-(2-phenylethynyl)-4-[2-[4-(2-phenylethynyl)phenyl]ethynyl]benzene structure](https://image.chemsrc.com/caspic/439/106785-01-7.png)
![trimethyl-[4-[4-[2-[4-(4-trimethylsilylphenyl)phenyl]ethynyl]phenyl]phenyl]silane structure](https://image.chemsrc.com/caspic/073/647851-32-9.png)
![1-(2-decyltetradecyl)-4-[2-[4-(2-decyltetradecyl)phenyl]ethynyl]benzene structure](https://image.chemsrc.com/caspic/390/732276-65-2.png)
| HS Code | 2903999090 |
|---|---|
| Summary | 2903999090 halogenated derivatives of aromatic hydrocarbons VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |