Description

Dipentaerythritol is a high-purity, polyfunctional alcohol widely used as a key building block in advanced polymer synthesis. Its six primary hydroxyl groups make it an exceptionally versatile and efficient cross-linking agent and chain extender, enabling the production of high-performance materials with superior durability and thermal stability. This compound is essential for manufacturers in the coatings, resins, and specialty chemicals industries seeking to enhance product performance.

Application

• Synthetic Resins: A core monomer for producing high-solid alkyd resins, saturated polyester resins, and polyurethane dispersions (PUDs) used in industrial and decorative coatings.
• Radiation-Curable Systems: Serves as a multifunctional polyol for creating acrylated oligomers and monomers used in UV-curable inks, coatings, and adhesives.
• Lubricants & Plasticizers: Used in the synthesis of complex ester-based lubricants and plasticizers that offer high thermal stability and low volatility.
• Fire Retardants: Acts as a starting material for intumescent fire retardant systems and halogen-free flame retardants for polymers and textiles.
• Adhesives & Sealants: Enhances the cross-link density and performance properties of polyurethane and epoxy-based adhesive formulations.
• Specialty Polymers: Employed in the production of hyperbranched polymers and dendrimers for advanced material science applications.

Basic Information

Product Name	Dipentaerythritol
CAS No.	126-58-9
Molecular Formula	C10H22O7
Molecular Weight	254.28 g/mol
Synonyms	Bis(2,2-bis(hydroxymethyl)-3-hydroxypropyl) ether; Di-Pentaerythritol; 2,2-Bis[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-1,3-propanediol; Di-PE; DPE; Dipentaerythrite; NSC 403016
EINECS	204-794-6

Quality Control

Our Dipentaerythritol is manufactured under a stringent quality management system to ensure batch-to-batch consistency and reliability. We provide comprehensive quality documentation, including Certificates of Analysis (COA) that detail purity, hydroxyl value, moisture content, and other critical parameters. Our production adheres to relevant industrial standards, and we support our global partners with the documentation required for regulatory compliance (e.g., REACH).

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed when not in use to minimize exposure to atmospheric moisture, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Hydroxyl Value	≥ 800 mg KOH/g
Melting Point	210 - 220 °C
Water Content	≤ 0.5%
Ash Content	≤ 0.1%

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