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

₹ 10,272.93

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

Other Options

Image Product Name Manufacturer Price Range
CS-0147245
4-Bromo-1-Butyne
ChemScene ₹ 1,283.40 - ₹ 18,138.72
AB47347
38771-21-0 | 4-Bromo-1-butyne
A2B Chem ₹ 941.16 - ₹ 12,748.44

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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

GHS02,GHS06

Signal Word

Danger

Hazard Statements

H226,H301,H317

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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Sigma Aldrich

675725

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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

Img

Sigma Aldrich

67576

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Quality Level:
100

Assay:
≥95% (TLC)

refractive index:
__

density:
__

SMILES string:
CCCCCCCCCCCCCCCCCCCCCCCCCC(=O)N[C@@H](CO[C@H]1O[C@H](CO)[C@H](O)[C@H](O)[C@H]1O)[C@H](O)[C@H](O)CCCCCCCCCCCCCC

InChI:
1S/C50H99NO9/c1-3-5-7-9-11-13-15-17-18-19-20-21-22-23-24-25-26-27-29-31-33-35-37-39-45(54)51-42(41-59-50-49(58)48(57)47(56)44(40-52)60-50)46(55)43(53)38-36-34-32-30-28-16-14-12-10-8-6-4-2/h42-44,46-50,52-53,55-58H,3-41H2,1-2H3,(H,51,54)/t42-,43+,44+,46-,47-,48-,49+,50-/m0/s1

InChI key:
VQFKFAKEUMHBLV-BYSUZVQFSA-N

Img

Sigma Aldrich

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200

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__

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__

density:
__

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__

InChI:
__

InChI key:
__

Img

Sigma Aldrich

67578

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Quality Level:
200

Assay:
__

refractive index:
__

density:
__

SMILES string:
__

InChI:
__

InChI key:
__