Description

Amino-Peg9-Amine is a high-purity, heterobifunctional polyethylene glycol (PEG) derivative featuring a primary amine group at each terminus of a 9-unit PEG spacer. This molecular structure is critical for its role as a versatile linker and spacer in bioconjugation and nanotechnology, enabling the controlled attachment of biomolecules and surfaces. It is essential for researchers and manufacturers in the pharmaceutical, diagnostics, and advanced materials sectors who require reliable, water-soluble crosslinkers to develop stable conjugates, hydrogels, and drug delivery systems.

Application

• Bioconjugation reagent for attaching peptides, proteins, or antibodies to surfaces, nanoparticles, or other biomolecules.
• Key building block in the synthesis of PEGylated drug conjugates and antibody-drug conjugates (ADCs) to improve solubility and pharmacokinetics.
• Functional crosslinker for the preparation of hydrogels and biocompatible polymer networks.
• Surface modification agent to introduce amine functionality onto materials for subsequent coupling chemistry.
• Intermediate in the synthesis of complex dendrimers and multi-arm PEG derivatives for advanced therapeutic applications.
• Tool compound in diagnostic assay development for creating stable, non-fouling detection platforms.

Basic Information

Product Name	Amino-Peg9-Amine
CAS No.	474082-35-4
Molecular Formula	C20H44N2O9
Molecular Weight	456.6 g/mol
Synonyms	α,ω-Bis(2-aminoethoxy)nonakis(oxyethylene); 1-Amino-3,6,9,12,15,18,21,24,27-nonaoxahentriacontan-31-amine; 3,6,9,12,15,18,21,24,27-Nonaoxahentriacontane-1,31-diamine; Bis-amino PEG9; NH2-PEG9-NH2; PEG9 diamine; 9-Amino-3,6-dioxaoctyl-1-amine (PEGylated); O,O'-Bis(2-aminoethyl)nonacosaethylene glycol
EINECS	Contact for details

Quality Control

Every batch of Amino-Peg9-Amine is manufactured under strict quality management systems and undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Our standard grade meets specifications suitable for research and commercial bioconjugation applications. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming critical parameters such as assay, amine content, and purity by HPLC.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C. This product is hygroscopic (moisture-sensitive). For long-term storage under inert atmosphere, consider sealing under argon or nitrogen.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 1.0%
Amine Value (Titration)	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.