Description

Divaleryl Peroxide is a high-purity organic peroxide compound, widely recognized for its role as a polymerization initiator and cross-linking agent. Its controlled decomposition properties are critical for initiating free-radical reactions in polymer synthesis, ensuring consistent and predictable reaction kinetics. This makes it an essential raw material for manufacturers in the polymer, resin, and specialty chemical industries seeking reliable and efficient process initiation.

Application

• Polymerization Initiator: Primarily used as a free-radical initiator for the polymerization of monomers like styrene, vinyl chloride, and acrylates.
• Cross-linking Agent: Employed in the production of cross-linked polyethylene (XLPE) and other thermosetting resins to enhance thermal and mechanical properties.
• Curing Agent for Unsaturated Polyester Resins: Facilitates the room-temperature or heat-activated curing of resins used in fiberglass, coatings, and composite materials.
• Synthesis Intermediate: Serves as a key intermediate in organic synthesis for introducing peroxide functional groups.
• Rubber Vulcanization: Used in specific rubber compounding processes to modify polymer structure and properties.
• Adhesive and Sealant Formulations: Acts as a curing component in anaerobic adhesives and other specialty sealant systems.

Basic Information

Product Name	Divaleryl Peroxide
CAS No.	925-19-9
Molecular Formula	C10H18O4
Molecular Weight	202.25 g/mol
Synonyms	Valeryl Peroxide; Di-n-valeryl Peroxide; Divaleryl Peroxide; Pentanoyl Peroxide; Di-n-pentanoyl Peroxide; n-Valeryl Peroxide; Bis(pentanoyl) Peroxide
EINECS	213-108-3

Quality Control

Our Divaleryl Peroxide is manufactured under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including assay by titration and identification by FTIR, to ensure it meets precise purity and stability specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area away from heat sources, sparks, and incompatible materials such as reducing agents, strong bases, and heavy metal salts. Recommended storage temperature is between 2°C and 8°C (refrigerated) to maintain optimal stability and shelf life. Handle as a light-sensitive and thermally sensitive peroxide.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (Divaleryl Peroxide)	≥ 95.0 %
Active Oxygen Content	≥ 7.8 %
Acidity (as Valeric Acid)	≤ 1.0 %
Water Content (KF)	≤ 0.5 %

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