Poly(ethylene glycol) methyl ether 2-bromoisobutyrate

Product Information

Molecular Formula:
CH3O(CH2CH2O)nCOC(CH3)2Br
Molecular Weight:
225.08
Description
PEG functionalized with bromoisobutyryl group to initiate atom transfer radical polymerization (ATRP). This macroinitiator can be used to increase biocompatibility; hydrophilicity; or generate block copolymers.
Synonyms
ATRP initiator, PEG methyl ether bromoisobutyrate, mPEG bromoisobutyrate
IUPAC Name
2-methoxyethyl 2-bromo-2-methylpropanoate
Canonical SMILES
CC(C)(C(=O)OCCOC)Br
InChI
InChI=1S/C7H13BrO3/c1-7(2,8)6(9)11-5-4-10-3/h4-5H2,1-3H3
InChI Key
KFCTTYQAKJBNPM-UHFFFAOYSA-N
Flash Point
>230 °F
Purity
97%
Density
1.214 g/mL at 25 °C
Storage
2-8°C
Refractive Index
n20/D 1.465
Tg
powder or solid

Safety Information

Handling
Not applicable
Molecular WeightDescription
average Mn 1,200 Tm is 35-40 °C. Boiling point is 65-67 °C/11 mmHg(lit.). Poly(ethylene glycol)-containing ATRP initiator for generating a hydrophilic block, as well as enhancing biocompatibility.
average Mn 2,000 Tm is 47-52 °C. Boiling point is 65-67 °C/11 mmHg(lit.). PEG functionalized with bromoisobutyryl group to initiate atom transfer radical polymerization (ATRP). This macroinitiator can be used to increase biocompatibility; hydrophilicity; or generate block copolymers.
average Mn 600 Poly(ethylene glycol)-containing ATRP initiator for generating a block copolymer with a PEG block on one end. The PEG block is terminated with an unreactive methoxy group. Boiling point is .65-67 °C/11 mmHg(lit.)
average Mn 5,000 Tm is 56-60 °C. Boiling point is .65-67 °C/11 mmHg(lit.). Poly(ethylene glycol)-containing ATRP initiator for generating a block copolymer with a PEG block on one end. The PEG block is terminated with an unreactive methoxy group.

Computed Properties

XLogP3
1.3
Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
3
Rotatable Bond Count
5
Exact Mass
224.00481 g/mol
Monoisotopic Mass
224.00481 g/mol
Topological Polar Surface Area
35.5Ų
Heavy Atom Count
11
Formal Charge
0
Complexity
134
Isotope Atom Count
0
Defined Atom Stereocenter Count
0
Undefined Atom Stereocenter Count
0
Defined Bond Stereocenter Count
0
Undefined Bond Stereocenter Count
0
Covalently-Bonded Unit Count
1
Compound Is Canonicalized
Yes
The molarity calculator equation

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

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