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2-Bromo-1-butene, 97%

Product Code. 11420561
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Product Code. 11420561 Supplier Thermo Scientific Alfa Aesar Supplier No. B20067.14
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Estimated Shipment: 24-09-2026
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Description

CAS: 23074-36-4 | C4H7Br | 135.004 g/mol

2-Bromo-1-butene is used to produce 2-Ethyl-acrylic acid. It acts as a photolytic precursor for 1-buten-2-yl.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
2-Bromo-1-butene is used to produce 2-Ethyl-acrylic acid. It acts as a photolytic precursor for 1-buten-2-yl.

Solubility
Soluble in ethanol, acetone and benzene. Not miscible in water.

Notes
Store away from air. Store under dry inert gas. Incompatible with oxidizing agents and air.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 23074-36-4
Molecular Formula C4H7Br
Molecular Weight (g/mol) 135.004
MDL Number MFCD00039178
InChI Key HQMXRIGBXOFKIU-UHFFFAOYSA-N
PubChem CID 89990
IUPAC Name 2-bromobut-1-ene
SMILES CCC(=C)Br

Specifications

Refractive Index 1.4525
Quantity 25 g
UN Number UN1993
Synonym 2-bromo-1-butene, 1-butene, 2-bromo, sjphabimsp@, 2-bromobutene, 2-bromo-l-butene, 1-butene,2-bromo
Solubility Information Soluble in ethanol,acetone and benzene. Not miscible in water.
Formula Weight 135
Percent Purity 97%
Chemical Name or Material 2-Bromo-1-butene

RUO – Research Use Only

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