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252271

Sigma-Aldrich

α-Bromoisobutyryl bromide

98%

Sinónimos:

2-Bromo-2-methylpropionyl bromide, BIBB

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About This Item

Fórmula lineal:
(CH3)2CBrCOBr
Número de CAS:
20769-85-1
Peso molecular:
229.90
Beilstein/REAXYS Number:
1746128
EC Number:
244-017-3
MDL number:
MFCD00000122
UNSPSC Code:
12352100
PubChem Substance ID:
24855196
NACRES:
NA.22

assay

98%

form

liquid

refractive index

n20/D 1.507 (lit.)

bp

162-164 °C (lit.)

density

1.86 g/mL at 25 °C (lit.)

SMILES string

CC(C)(Br)C(Br)=O

InChI

1S/C4H6Br2O/c1-4(2,6)3(5)7/h1-2H3

InChI key

YOCIJWAHRAJQFT-UHFFFAOYSA-N

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General description

BIBB is an important reagent in the synthesis of amides, macrocyclic amides, ketenes, and alkynic ketones.

Application

α-Bromoisobutyryl bromide has been used:
  • as atom transfer radical polymerization (ATRP) initiator for functionalization of hydroxyl groups present on the surface of graphene oxide
  • to form an N-protected halodienamide which provided four- and five-membered lactams in the presence of copper (I) and a tertiary amine
  • in preparation of polycaprolactone macroinitiator via reaction with oligomeric caprolactone diol and mesoporous silica nanoparticles with ATRP initiator anchored on the exterior surface

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk_germany

WGK 3

flash_point_f

>230.0 °F

flash_point_c

> 110 °C

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Certificados de análisis (COA)

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Biodegradable poly(2-hydroxyethyl methacrylate)(pHEMA) hydrogels for engineered tissue constructs were developed by the use of atom transfer radical polymerization (ATRP), a degradable cross-linker, and a macroinitiator. Hydrogels are appropriate materials for tissue engineering scaffolds because of their tissue-like mechanical compliance and
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Protocolos

ARGET ATRP: Procedure for PMMA Polymer Brush Growth

ARGET ATRP procedure facilitates PMMA polymer brush growth with surface cleaning and initiator monolayer deposition.

ARGET ATRP: Procedure for PMMA Polymer Brush Growth

ARGET ATRP procedure facilitates PMMA polymer brush growth with surface cleaning and initiator monolayer deposition.

ARGET ATRP: Procedure for PMMA Polymer Brush Growth

ARGET ATRP procedure facilitates PMMA polymer brush growth with surface cleaning and initiator monolayer deposition.

ARGET ATRP: Procedure for PMMA Polymer Brush Growth

ARGET ATRP procedure facilitates PMMA polymer brush growth with surface cleaning and initiator monolayer deposition.

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