Description

Di-n-Propyl Peroxydicarbonate is an organic peroxide initiator widely used in polymerization processes. This compound is valued for its ability to efficiently generate free radicals at moderate temperatures, making it a critical component in the production of various polymers and resins. It is primarily sought after by manufacturers in the plastics, coatings, and specialty chemical synthesis industries for initiating vinyl polymerizations and cross-linking reactions.

Application

• Polymerization Initiator: Primary use as a free-radical initiator for the polymerization of vinyl chloride (PVC), ethylene, styrene, and acrylates.
• Resin Production: Used in the manufacture of unsaturated polyester resins and acrylic resins for coatings and composites.
• Cross-linking Agent: Facilitates the cross-linking of polymers to enhance thermal and mechanical properties in specialty elastomers and adhesives.
• Chemical Synthesis: Serves as an intermediate or radical source in organic synthesis for pharmaceuticals and fine chemicals.
• Curing Agent: Employed in the curing of fiberglass-reinforced plastics and gel coats.

Basic Information

Product Name	Di-n-Propyl Peroxydicarbonate
CAS No.	16066-38-9
Molecular Formula	C8H14O6
Molecular Weight	206.19 g/mol
Synonyms	Di-n-Propyl Peroxydicarbonate; Peroxydicarbonic Acid, Di-n-Propyl Ester; n-Propyl Peroxydicarbonate; DPPD; DPP; Perkadox® PD; Luperox® 221; Trigonox® 221; Di-n-Propyl Ester of Peroxydicarbonic Acid
EINECS	240-204-6

Quality Control

Our Di-n-Propyl Peroxydicarbonate is manufactured under strict quality management systems to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including assay by iodometric titration and purity verification by gas chromatography (GC). A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat, sparks, and open flames. Due to its properties as an organic peroxide, it is recommended to store at temperatures not exceeding 25°C (77°F) and away from incompatible materials such as reducing agents, strong acids, and bases. This product is easily oxidized and should be handled under appropriate safety conditions.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (Active Oxygen)	≥ 97.0 %
Purity (GC)	≥ 98.0 %
Density (at 20°C)	1.10 - 1.15 g/cm³
Refractive Index (nD20)	1.410 - 1.420

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