ChemicalBook--->CAS DataBase List--->67319-28-2

67319-28-2

67319-28-2 Structure

67319-28-2 Structure
IdentificationBack Directory
[Name]

MPEG3-CH2CH2COOH
[CAS]

67319-28-2
[Synonyms]

mPEG4-COOH
m-PEG4-Acid
Methyl-PEG3-acid
MPEG3-CH2CH2COOH
COOHCH2CH2-PEG3-OME
mPEG3-propionic acid
4,7,10,13-Tetraoxatetradecanoic acid
2,5,8,11-Tetraoxa-14-tetradecanoic Acid
[Molecular Formula]

C10H20O6
[MDL Number]

MFCD11041124
[MOL File]

67319-28-2.mol
[Molecular Weight]

236.26
Chemical PropertiesBack Directory
[Boiling point ]

352.3±32.0 °C(Predicted)
[density ]

1.105±0.06 g/cm3(Predicted)
[storage temp. ]

Sealed in dry,2-8°C
[solubility ]

Soluble in Water
[form ]

Liquid
[pka]

4.28±0.10(Predicted)
[color ]

Colorless to light yellow
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H335
[Precautionary statements ]

P261-P305+P351+P338
Hazard InformationBack Directory
[Description]

m-PEG4-acid is a PEG linker containing a terminal carboxylic acid. The terminal carboxylic acid can react with primary amine groups in the presence of activators (e.g. EDC, or HATU) to form a stable amide bond. The hydrophilic PEG spacer increases solubility in aqueous media.
Spectrum DetailBack Directory
[Spectrum Detail]

MPEG3-CH2CH2COOH(67319-28-2)1HNMR
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