Description

Di-sec-Butyl Peroxycarbonate is a specialized organic peroxide used primarily as a polymerization initiator and crosslinking agent. This compound is valued for its ability to generate free radicals at moderate temperatures, making it a critical component in the synthesis of various polymers and resins. It is essential for manufacturers in the plastics, rubber, and specialty chemical industries seeking to control polymerization kinetics and final product properties.

Application

• Polymerization Initiator: Used to initiate the free-radical polymerization of monomers such as ethylene, styrene, and vinyl chloride for the production of polyethylene (LDPE), polystyrene (PS), and polyvinyl chloride (PVC).
• Crosslinking Agent: Employed in the crosslinking of unsaturated polyester resins and silicone rubbers to enhance thermal stability, chemical resistance, and mechanical strength.
• Curing Agent for Resins: Facilitates the curing process for fiberglass-reinforced plastics (FRP) and gel coats used in marine, automotive, and construction composites.
• Organic Synthesis Intermediate: Acts as a source of sec-butoxy and carbonate radicals in the synthesis of specialty organic compounds and pharmaceuticals.
• Modifier for Polymer Properties: Used to control molecular weight and branching in polymer chains, tailoring properties like melt flow and impact resistance.

Basic Information

Product Name	Di-sec-Butyl Peroxycarbonate
CAS No.	71501-14-9
Molecular Formula	C10H20O5
Molecular Weight	220.26 g/mol
Synonyms	Di-sec-butyl peroxydicarbonate; Peroxydicarbonic acid, di-sec-butyl ester; Bis(1-methylpropyl) peroxydicarbonate; sec-Butyl peroxydicarbonate; DSPD; BISD; USP-245; Perkadox SBP-C75
EINECS	Contact for details

Quality Control

Our Di-sec-Butyl Peroxycarbonate is manufactured under stringent quality management systems to ensure batch-to-batch consistency and reliability. The product undergoes comprehensive analytical testing, including assay by iodometric titration and purity verification by gas chromatography (GC). Certificates of Analysis (COA) documenting all critical parameters are available for 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 sources, sparks, and open flame. Recommended storage temperature is below 25°C (77°F). Keep separated from reducing agents, acids, bases, and combustible materials. Due to its nature as a peroxide, store only in the original manufacturer's container and monitor for stability over time.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Assay (by Titration)	≥ 98.0 %
Active Oxygen Content	≥ 7.25 %
Identification (IR)	Conforms
Density (at 20°C)	~1.04 g/cm³
Solubility	Miscible with common organic solvents

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