Description

Starburst(R) (Pamam) Dendrimer, Generation 2.5 is a precisely engineered, hyperbranched polymer with a well-defined, three-dimensional architecture. This material is critical for applications requiring a high density of surface functional groups and a controlled nanoscale size. It is essential for researchers and product developers in the nanotechnology, pharmaceutical, and advanced materials sectors seeking to create novel drug delivery systems, diagnostic agents, and functional coatings.

Application

• Drug Delivery & Nanomedicine: Serves as a versatile nanocarrier for the encapsulation and targeted delivery of therapeutic agents, genes, and contrast agents.
• Diagnostic Imaging: Used as a scaffold for attaching multiple imaging moieties (e.g., MRI contrast agents, fluorescent dyes) to enhance signal intensity and specificity.
• Catalysis: Acts as a nanoreactor or catalyst support due to its internal cavities and high surface area for immobilizing catalytic sites.
• Surface Modification & Coatings: Employed to modify material surfaces, improving biocompatibility, adhesion, or introducing specific chemical functionalities.
• Sensor Technology: Utilized in the fabrication of chemical and biological sensors, leveraging its ability to bind analytes and transduce signals.
• Gene Transfection: Functions as a non-viral vector for gene therapy applications, facilitating the transport of DNA/RNA into cells.

Basic Information

Product Name	Starburst(R) (Pamam) Dendrimer, Generation 2.5
CAS No.	163442-67-9
Molecular Formula	C62H128N26O12
Molecular Weight	Approx. 1300 g/mol
Synonyms	PAMAM Dendrimer, Generation 2.5, Ethylenediamine Core; Poly(amidoamine) Dendrimer, G2.5; Starburst Dendrimer; Dendri-PAMAM(NH2) G2.5; PAMAM G2.5; 2.5G PAMAM Dendrimer; Nanostructured Poly(amidoamine); Hyperbranched Poly(amidoamine)
EINECS	Contact for details

Quality Control

Our Starburst(R) (Pamam) Dendrimer, Generation 2.5 is produced under strict quality management protocols. Each batch undergoes comprehensive analytical characterization to ensure structural integrity, purity, and batch-to-batch consistency. Certificates of Analysis (COA) detailing specifications such as molecular weight distribution, functional group analysis, and purity are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure the container is sealed under an inert atmosphere such as nitrogen or argon after opening to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95%
Molecular Weight (GPC/SEC)	1200 - 1400 g/mol
Primary Amine Groups	16 (Theoretical)
Solubility	Soluble in water, methanol, DMF

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