ChemicalBook >> CAS DataBase List >>4-BROMO-1-BUTYNE
4-BROMO-1-BUTYNE
- CAS No.
- 38771-21-0
- Chemical Name:
- 4-BROMO-1-BUTYNE
- Synonyms
- 4-broMobut-1-yne;4-bromobutyne;4-BROMO-1-BUTYNE;1-Bromo-3-butyne;3-Butynyl Bromide;4-Bromo-1-butyne >4-BroMo-1-butyne 97%;4-bromobut-1-yne - [B86644];1-Butyne, 4-bromo- (6CI,9CI);4-Bromo-1-butyne,1-Bromo-3-butyne
- CBNumber:
- CB5500121
- Molecular Formula:
- C4H5Br
- Molecular Weight:
- 132.99
- MDL Number:
- MFCD10000883
- MOL File:
- 38771-21-0.mol
- MSDS File:
- SDS
Last updated:2025-09-25 17:15:13
| Product description | Number | Pack Size | Price |
| 4-Bromo-1-butyne 97% | 675725 | 5g | $105 |
| 4-Bromo-1-butyne >97.0%(GC) | B3242 | 5g | $75 |
| 4-BROMO-1-BUTYNE,98% | 16711 | 5G | $78.87 |
| 4-Bromo-1-butyne | B682950 | 1g | $60 |
| 4-Bromo-1-butyne | 093952 | 5g | $66 |
| More product size | |||
| Boiling point | 110 °C |
|---|---|
| Density | 1.417 g/mL at 25 °C |
| refractive index | 1.481 |
| Flash point | 24 °C |
| storage temp. | Inert atmosphere,Store in freezer, under -20°C |
| solubility | Chloroform (Slightly), Methanol (Slightly) |
| form | clear liquid |
| color | Colorless to Light yellow to Light orange |
| Water Solubility | Immiscible with water. |
| InChI | InChI=1S/C4H5Br/c1-2-3-4-5/h1H,3-4H2 |
| InChIKey | XLYOGWXIKVUXCL-UHFFFAOYSA-N |
| SMILES | C#CCCBr |
| UNSPSC Code | 12352100 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |   GHS02,GHS06 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H226-H301-H317 | |||||||||
| Precautionary statements | P210-P280-P301+P310+P330-P302+P352 | |||||||||
| Hazard Codes | T | |||||||||
| Risk Statements | 10-25-43 | |||||||||
| Safety Statements | 36/37-45 | |||||||||
| RIDADR | UN 1992 6.1(3) / PGIII | |||||||||
| WGK Germany | 3 | |||||||||
| HazardClass | 3 | |||||||||
| PackingGroup | III | |||||||||
| HS Code | 29039990 | |||||||||
| Limited Quantities | 5.0 L (1.3 gallons) (liquid) | |||||||||
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L) | |||||||||
| NFPA 704 |
|
4-BROMO-1-BUTYNE price More Price(21)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 675725 | 4-Bromo-1-butyne 97% | 38771-21-0 | 5g | $105 | 2025-07-31 | Buy |
| TCI Chemical | B3242 | 4-Bromo-1-butyne >97.0%(GC) | 38771-21-0 | 5g | $75 | 2025-07-31 | Buy |
| GFS CHEMICALS | 16711 | 4-BROMO-1-BUTYNE,98% | 38771-21-0 | 5G | $78.87 | 2021-12-16 | Buy |
| TRC | B682950 | 4-Bromo-1-butyne | 38771-21-0 | 1g | $60 | 2021-12-16 | Buy |
| Oakwood | 093952 | 4-Bromo-1-butyne | 38771-21-0 | 5g | $66 | 2021-12-16 | Buy |
4-BROMO-1-BUTYNE Chemical Properties,Uses,Production
Chemical Properties
Yellow liquid
Uses
4-Bromo-1-butyne is used for pharmaceutical intermediates.
Uses
4-Bromo-1-butyne is used as a reactant in the synthesis of:
- Macrocycles by cobalt-mediated [2+2+2] co-cyclotrimerization.
- 2,4,5-trisubstituted oxazoles by a gold-catalyzed formal [3+2] cycloaddition.
- Intramolecular 1,3-dipolar cycloaddition to synthesize 1,3,4-oxadiazoles.
- Lactones bearing alkynes for reductive cyclization in the preparation of azulene derivatives.
- Substituted α-pyrones by gold-catalyzed coupling reactions.
4-BROMO-1-BUTYNE Preparation Products And Raw materials
Global( 163)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Nanjing ChemLin Chemical Industry Co., Ltd. | 025-83697070 | product@chemlin.com.cn | CHINA | 3009 | 60 |
| ATK CHEMICAL COMPANY LIMITED | +undefined-21-51877795 | ivan@atkchemical.com | China | 33024 | 60 |
| Alchem Pharmtech,Inc. | 8485655694 | sales@alchempharmtech.com | United States | 63687 | 58 |
| CONIER CHEM AND PHARMA LIMITED | +8618523575427 | sales@conier.com | China | 49975 | 58 |
| career henan chemical co | +86-0371-86658258 +8613203830695 | factory@coreychem.com | China | 29799 | 58 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418671 +8618949823763 | sales@tnjchem.com | China | 34563 | 58 |
| ANHUI WITOP BIOTECH CO., LTD | +8615255079626 | eric@witopchemical.com | China | 23541 | 58 |
| Baoji Guokang Healthchem Co., Ltd. | +86-0917-3909592 +86-13892490616 | gksales1@gk-bio.com | China | 9233 | 58 |
| Dayang Chem (Hangzhou) Co.,Ltd. | +86-0571-88938639 +8617705817739 | info@dycnchem.com | China | 52846 | 58 |
| CD Chemical Group Limited | +8615986615575 | info@codchem.com | China | 20342 | 58 |
View Lastest Price from 4-BROMO-1-BUTYNE manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2025-04-04 | 4-BROMO-1-BUTYNE
38771-21-0
|
US $0.00-0.00 / kg | 1kg | 98% | 1Ton | Henan Aochuang Chemical Co.,Ltd. | |
 |
2021-07-13 | 4-Bromo-1-butyne
38771-21-0
|
US $15.00-10.00 / KG | 1KG | 99%+ HPLC | Monthly supply of 1 ton | Zhuozhou Wenxi import and Export Co., Ltd | |
 |
2021-07-10 | 4-Bromo-1-butyne
38771-21-0
|
US $15.00-10.00 / KG | 1KG | 99%+ HPLC | Monthly supply of 1 ton | Zhuozhou Wenxi import and Export Co., Ltd |
-
- 4-BROMO-1-BUTYNE
38771-21-0
- US $0.00-0.00 / kg
- 98%
- Henan Aochuang Chemical Co.,Ltd.
-
- 4-Bromo-1-butyne
38771-21-0
- US $15.00-10.00 / KG
- 99%+ HPLC
- Zhuozhou Wenxi import and Export Co., Ltd
-
- 4-Bromo-1-butyne
38771-21-0
- US $15.00-10.00 / KG
- 99%+ HPLC
- Zhuozhou Wenxi import and Export Co., Ltd
38771-21-0(4-BROMO-1-BUTYNE)Related Search:
4-BROMO-1-BUTYNE, 98%4-BROMO-1-BUTYNE, 98%4-BROMO-1-BUTYNE, 98%4-BROMO-1-BUTYNE, 98%
4-BROMO-1-BUTYNE
4-Bromo-1-butyne,1-Bromo-3-butyne
1-Bromo-3-butyne
3-Butynyl Bromide
4-BroMo-1-butyne 97%
4-broMobut-1-yne
4-Bromo-1-butyne >
4-Bromo-1-butyne, 97%, for synthesis
1-Butyne, 4-bromo- (6CI,9CI)
4-bromobutyne
4-bromobut-1-yne - [B86644]
38771-21-0
HCCCH2CH2Br
Acetylenes
Functionalized Acetylenes
