675725
4-Bromo-1-butyne
97%
Manufacturer: Sigma Aldrich
CAS Number: 38771-21-0
Synonym(S): 1-Bromo-3-butyne
Select a Size
| Pack Size | SKU | Availability | Price |
|---|---|---|---|
| 5 G | 675725-5-G | In Stock | ₹ 10,272.93 |
675725 - 5 G
In Stock
Quantity
1
Base Price: ₹ 10,272.93
GST (18%): ₹ 1,849.127
Total Price: ₹ 12,122.057
Quality Level
100
Assay
97%
refractive index
n20/D 1.481
density
1.417 g/mL at 25 °C
SMILES string
BrCCC#C
InChI
1S/C4H5Br/c1-2-3-4-5/h1H,3-4H2
InChI key
XLYOGWXIKVUXCL-UHFFFAOYSA-N
Description
- General description: 4-Bromo-1-butyne is commonly used as a reactant. It serves as a source of alkyl halides for the introduction of bromo functionality into the molecule.[1]
- Application: 4-Bromo-1-butyne is used as a reactant in the synthesis of:Macrocycles by cobalt-mediated [2+2+2] co-cyclotrimerization.[2]2,4,5-trisubstituted oxazoles by a gold-catalyzed formal [3+2] cycloaddition.[3]Intramolecular 1,3-dipolar cycloaddition to synthesize 1,3,4-oxadiazoles.[4]Lactones bearing alkynes for reductive cyclization in the preparation of azulene derivatives.[5]Substituted α-pyrones by gold-catalyzed coupling reactions.[6]
SAFETY INFORMATION
Pictograms
Signal Word
Danger
Hazard Statements
Precautionary Statements
P210 - P233 - P240 - P280 - P301 + P310 - P303 + P361 + P353
Hazard Classifications
Acute Tox. 3 Oral - Flam. Liq. 3 - Skin Sens. 1
WGK
WGK 3
Flash Point(F)
75.0 °F
Flash Point(C)
23.9 °C
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Quality Level: 100
Assay: 97%
refractive index: n20/D 1.481
density: 1.417 g/mL at 25 °C
SMILES string: BrCCC#C
InChI: 1S/C4H5Br/c1-2-3-4-5/h1H,3-4H2
InChI key: XLYOGWXIKVUXCL-UHFFFAOYSA-N
Quality Level:
100
Assay:
97%
refractive index:
n20/D 1.481
density:
1.417 g/mL at 25 °C
SMILES string:
BrCCC#C
InChI:
1S/C4H5Br/c1-2-3-4-5/h1H,3-4H2
InChI key:
XLYOGWXIKVUXCL-UHFFFAOYSA-N
Quality Level: 200
Assay: __
refractive index: __
density: __
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InChI: __
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200
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Quality Level: 200
Assay: ≥99.9%
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≥99.90%
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