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17457

Sigma-Aldrich

Methyl α-bromoisobutyrate

≥99.0% (GC)

Synonym(s):

Methyl 2-bromo-2-methylpropionate

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About This Item

Linear Formula:
(CH3)2CBrCOOCH3
CAS Number:
23426-63-3
Molecular Weight:
181.03
Beilstein:
1209484
EC Number:
245-657-6
MDL number:
MFCD00017854
UNSPSC Code:
12352100
PubChem Substance ID:
57647652
NACRES:
NA.22

Quality Level

100

Assay

≥99.0% (GC)

form

liquid

density

1.399 g/mL at 20 °C (lit.)

SMILES string

COC(=O)C(C)(C)Br

InChI

1S/C5H9BrO2/c1-5(2,6)4(7)8-3/h1-3H3

InChI key

PQUSVJVVRXWKDG-UHFFFAOYSA-N

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Application

Atom Transfer Radical Polymerization (ATRP) initiator that will generate a polymer with a methyl end group
Methyl α-bromoisobutyrate was used in Reformatsky reaction to prepare 1,4-disubstituted 3,3-dimethylazetidin-2-ones.

Pictograms

Flame
GHS02

Signal Word

Warning

Hazard Statements

H226

Hazard Classifications

Flam. Liq. 3

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

120.2 °F - closed cup

Flash Point(C)

49 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Reformatsky reaction of methyl ?-bromoisobutyrate with Schiff bases derived from salicylaldehyde and 2-hydroxynaphthalene-1-carbaldehyde.
Russ. J. Org. Chem., 40(6), 834-836 (2004)

Protocols

Polymerizing via ATRP

Polymerization via ATRP procedures demonstrated by Prof. Dave Haddleton's research group at the University of Warwick.

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