- 4-BROMO-1-BUTYNE
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- $0.00 / 1kg
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2025-04-04
- CAS:38771-21-0
- Min. Order: 1kg
- Purity: 98%
- Supply Ability: 1Ton
- 4-Bromo-1-butyne
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- $15.00 / 1KG
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2021-07-13
- CAS:38771-21-0
- Min. Order: 1KG
- Purity: 99%+ HPLC
- Supply Ability: Monthly supply of 1 ton
- 4-Bromo-1-butyne
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- $15.00 / 1KG
-
2021-07-10
- CAS:38771-21-0
- Min. Order: 1KG
- Purity: 99%+ HPLC
- Supply Ability: Monthly supply of 1 ton
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| | 4-BROMO-1-BUTYNE Basic information |
| Product Name: | 4-BROMO-1-BUTYNE | | Synonyms: | 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 > | | CAS: | 38771-21-0 | | MF: | C4H5Br | | MW: | 132.99 | | EINECS: | | | Product Categories: | Acetylenes;Functionalized Acetylenes | | Mol File: | 38771-21-0.mol |  |
| | 4-BROMO-1-BUTYNE Chemical Properties |
| Boiling point | 110 °C | | density | 1.417 g/mL at 25 °C | | refractive index | 1.481 | | Fp | 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 |
| 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 |
| | 4-BROMO-1-BUTYNE Usage And Synthesis |
| 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.
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| | 4-BROMO-1-BUTYNE Preparation Products And Raw materials |
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