Amino-PEG2 Acetic Acid

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Cat No.

CEGZ-6514

Description

Amino-PEG2 Acetic Acid is a 99% pure bifunctional amino-carboxylic acid containing a flexible diethylene glycol spacer.

Alias

AEEA 8-Amino-3,6-dioxaoctanoic acid

Applications

Peptide linker synthesis
Bioconjugation research
Flexible spacer development
Protected derivative preparation

Product Overview

The ether-rich spacer separates terminal amine and carboxyl groups, allowing protection, activation, and coupling in peptide and conjugate design. Reported auxiliary properties include a predicted pKa of 3.37 ± 0.10, a flash point of 149.6 °C, a polar surface area of 81.78 Å², and a logP of −0.2368.

Form

Solid

CAS_No

134978-97-5

Molecular Weight

163.174

Purity

99%

Structure

Bifunctional amino-ether carboxylic acid with two ethylene glycol units

Composition

2-[2-(2-Aminoethoxy)ethoxy]acetic acid

Function

Flexible amino-carboxyl linker for chemical conjugation

Synonyms

AEEA; Amino-PEG2-acetic acid; 8-Amino-3,6-dioxaoctanoic acid

Molecular Formula

C₆H₁₃NO₄

Chemical Name

2-[2-(2-Aminoethoxy)ethoxy]acetic acid

Melting Point

124.0–128.0 °C

Boiling Point

323.8 °C at 760 mmHg

Vapor pressure

5.23 × 10⁻⁵ mmHg at 25 °C

Refractive Index

1.466

Density

1.177 g/cm³

Grade

Research grade

Usage

For laboratory research and chemical synthesis only.

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Project Description:

For research and industrial use only. Not intended for personal medicinal use. Certain food-grade products are suitable for formulation development in food and related applications.

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