Identification | Back Directory | [Name]
Bis-PEG2-acid | [CAS]
19364-66-0 | [Synonyms]
Bis-PEG2-acid Bis-PEG2-COOH COOH-PEG1-COOH HOOCCH2CH2O-PEG1-CH2CH2COOH 1,2-Bis(2-carboxyethoxy)ethane 3-[2-(2-carboxyethoxy)ethoxy]propanoic acid 3,3'-[ethane-1,2-diylbis(oxy)]dipropanoic acid Propanoic acid, 3,3'-[1,2-ethanediylbis(oxy)]bis- | [Molecular Formula]
C8H14O6 | [MDL Number]
MFCD22056315 | [MOL File]
19364-66-0.mol | [Molecular Weight]
206.19 |
Chemical Properties | Back Directory | [Melting point ]
66 °C | [Boiling point ]
407.1±35.0 °C(Predicted) | [density ]
1.0869 g/cm3(Temp: 4 °C) | [solubility ]
Soluble in Water, DMF, DMSO | [form ]
Solid | [pka]
3.97±0.10(Predicted) | [color ]
White to off-white |
Hazard Information | Back Directory | [Description]
Bis-PEG2-acid is a PEG linker containing two terminal carboxylic acid groups. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acids can react with primary amine groups in the presence of activators (e.g. EDC, or HATU) to form a stable amide bond. |
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