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242500

Sigma-Aldrich

2-Bromo-1,1-dimethoxyethane

97%

Synonym(s):

Bromoacetaldehyde dimethyl acetal

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About This Item

Linear Formula:
BrCH2CH(OCH3)2
CAS Number:
7252-83-7
Molecular Weight:
169.02
Beilstein:
1280132
EC Number:
230-669-6
MDL number:
MFCD00000213
UNSPSC Code:
12352100
PubChem Substance ID:
24854563
NACRES:
NA.22

Assay

97%

contains

0.2% potassium carbonate as stabilizer

refractive index

n20/D 1.445 (lit.)

bp

148-150 °C (lit.)

density

1.43 g/mL at 25 °C (lit.)

functional group

acetal
bromo
ether

storage temp.

2-8°C

SMILES string

COC(CBr)OC

InChI

1S/C4H9BrO2/c1-6-4(3-5)7-2/h4H,3H2,1-2H3

InChI key

FUSFWUFSEJXMRQ-UHFFFAOYSA-N

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Application

2-Bromo-1,1-dimethoxyethane (Bromoacetaldehyde dimethyl acetal) was used in the synthesis of 2,3-O-acetal via reaction with 2,3-diol in the presence of 10-camphorsulphonic acid (CSA).

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Warning

Hazard Statements

H226,H315,H319

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

127.4 °F

Flash Point(C)

53 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCG9591
BCCG8114
BCBW9297
MKBC9348V
1442700V

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1→2 Migration and concurrent glycosidation of phenyl 1-thio-α-mannopyranosides via 2, 3-O-cyclic dioxonium intermediates.
Tetrahedron, 59(2), 249-254 (2003)
Ping Xu et al.
Polymers, 11(2) (2019-04-10)
Hyperbranched polycaprolactone with controlled structure was synthesized by reversible addition-fragmentation chain transfer radical ring-opening polymerization along with self-condensed vinyl polymerization (SCVP) of 2-methylene-1,3-dioxepane (MDO). Vinyl 2-[(ethoxycarbonothioyl) sulfanyl] propanoate (ECTVP) was used as polymerizable chain transfer agent. Living polymerization behavior was

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