VUP Logo
Product

Poly(ethylene glycol)bis(3-aminopropyl) terminated (DAPEG Series)

Chemical Name: α-(3-Aminopropyl)-ω-(3-aminopropoxy)poly(oxy-1,2-ethanediyl)

Molecular Formula: H₂N(CH₂)₃[O(CH₂)₂]nO(CH₂)₃NH₂

CAS Number: 34901-14-9

VUP is the unique global producer of high-purity DAPEG featuring PEG chains with reactive primary amine groups at both ends. Essential for advanced biomedical coatings, surface modification, PEGylation, and specialty polymer synthesis.

DAPEG Structure

Technical Specifications

Discover the technical specifications of our Poly(ethylene glycol)bis(3-aminopropyl) terminated (DAPEG Series) products.

Chemical Identity

Chemical Nameα-(3-Aminopropyl)-ω-(3-aminopropoxy)poly(oxy-1,2-ethanediyl)
SynonymsDAPEG, Diaminopolyethylene Glycol, Amino-PEG-Amino, α,ω-Diamino-PEG
CAS Number34901-14-9
EC Number
Molecular FormulaH₂N(CH₂)₃[O(CH₂)₂]nO(CH₂)₃NH₂
Molecular Weight700-3400 g/mol
DAPEG Structure

VUP Specifications (Standard Grade)

PropertySpecification
AppearanceColorless to pale yellow liquid or white waxy solid
Puritymin. 97.0 % wt

Note: Specifications that are provided above are typical values and should not be considered as guaranteed analysis.

Key Features & Benefits

Discover the unique advantages of VUP's Poly(ethylene glycol)bis(3-aminopropyl) terminated (DAPEG Series) for your applications.

Unique Global Supply

Sourced directly from VUP, the sole global producer utilizing proprietary technology, ensuring a distinct and secure supply chain.

High Quality Standards

Manufactured to high purity standards (97% min), critical for demanding biomedical and pharmaceutical applications requiring consistent performance.

Reactive Amine Termini

Provides primary amine groups at both ends, enabling efficient covalent attachment to surfaces or reaction with other functional groups for polymer synthesis.

PEG Chain Properties

Imparts hydrophilicity, water solubility, biocompatibility, and resistance to non-specific protein adsorption inherent to polyethylene glycol chains.

Versatile Molecular Weights

Available in a range of average molecular weights, allowing tailoring of properties like chain length, flexibility, and hydrodynamic volume.

Biomedical Application Focus

Proven utility as a key raw material for creating lubricious, hydrophilic coatings essential for medical devices like catheters and guidewires.

Applications

Discover the applications of our Poly(ethylene glycol)bis(3-aminopropyl) terminated (DAPEG Series) products.

Biomedical Device Coatings

Creating lubricious, hydrophilic, and biocompatible coatings for catheters, guidewires, stents, and other medical devices to improve patient comfort and device performance.

Surface Modification

Functionalizing surfaces of implants, nanoparticles, biosensors, and microfluidic devices to enhance biocompatibility and reduce non-specific binding.

PEGylation & Bioconjugation

Linking PEG chains to proteins, peptides, antibodies, or drug molecules to improve solubility, stability, circulation time, and reduce immunogenicity.

Advanced Polymer Synthesis

Building block for synthesizing hydrogels for tissue engineering and drug delivery, block copolymers, and other functional polymer architectures.

PEGDAA Synthesis

Direct precursor for producing Poly(ethylene glycol) diacrylamide (PEGDAA), used in hydrogel formation and specialized coating applications.

Product Information & Technical Documents

Essential information and documentation for Poly(ethylene glycol)bis(3-aminopropyl) terminated (DAPEG Series)

Product Identification

Key product details and identifiers

Chemical Nameα-(3-Aminopropyl)-ω-(3-aminopropoxy)poly(oxy-1,2-ethanediyl)
SynonymsDAPEG, Diaminopolyethylene Glycol, Amino-PEG-Amino, α,ω-Diamino-PEG
CAS Number34901-14-9
EC Number

Technical Documents

Download product documentation

Technical Data Sheet (TDS)

Complete technical specifications, physical properties, and application information for Poly(ethylene glycol)bis(3-aminopropyl) terminated (DAPEG Series)

Safety Data Sheet (SDS)

Safety information, handling procedures, and regulatory details for Poly(ethylene glycol)bis(3-aminopropyl) terminated (DAPEG Series)

Need additional technical information or regulatory documentation?

Frequently Asked Questions

Discover the frequently asked questions about our Poly(ethylene glycol)bis(3-aminopropyl) terminated (DAPEG Series) products.