Description

Bis-(1-Methylheptylperoxy)-Dicarbonate is a specialized organic peroxide initiator, a critical component for initiating free-radical polymerization reactions. Its controlled decomposition profile makes it essential for achieving specific polymer characteristics, including molecular weight and branching. This compound is primarily utilized by manufacturers in the polymer and plastics industries, particularly for the production of PVC, polyolefins, and other specialty resins requiring precise initiation control.

Application

• Polymerization Initiator: Primary use as a free-radical initiator for the suspension and bulk polymerization of vinyl chloride (PVC).
• Resin Production: Used in the synthesis of low-density polyethylene (LDPE) and other polyolefins.
• Crosslinking Agent: Facilitates the crosslinking of unsaturated polyester resins and elastomers.
• Curing Agent: Employed in the curing of acrylic resins and fiber-reinforced composites.
• Specialty Polymer Synthesis: Enables the production of high-performance polymers with tailored thermal and mechanical properties.
• Chemical Intermediate: Serves as a peroxy compound in specific organic synthesis pathways.

Basic Information

Product Name	Bis-(1-Methylheptylperoxy)-Dicarbonate
CAS No.	69518-20-3
Molecular Formula	C18H34O8
Molecular Weight	378.46 g/mol
Synonyms	1-Methylheptyl Peroxydicarbonate; Di(1-methylheptyl) Peroxydicarbonate; Peroxydicarbonic Acid, Bis(1-methylheptyl) Ester; Bis(1-methylheptyl) Peroxydicarbonate; Perkadox SE-8; Trigonox SBP; Polymerization Initiator SBP; EHP (in some contexts)
EINECS	Contact for details

Quality Control

Our Bis-(1-Methylheptylperoxy)-Dicarbonate is manufactured under stringent quality management systems to ensure batch-to-batch consistency and reliability for industrial polymerization processes. Quality is verified through comprehensive analytical testing, including assay by iodometric titration and purity assessment via HPLC. A Certificate of Analysis (COA) detailing specific batch 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. Recommended storage temperature is below 25°C (77°F). Keep away from incompatible materials such as reducing agents, strong acids, bases, and heavy metal compounds. This product is a strong oxidizer and light-sensitive; handle and store with appropriate precautions.

Specification

Item	Specification
Appearance	Clear, Colorless to Pale Yellow Liquid
Assay (Active Oxygen)	≥ 4.20 %
Purity (by HPLC)	≥ 98.0 %
Identification (IR)	Conforms
Density (at 20°C)	~0.95 g/cm³
Active Oxygen Content	4.2 - 4.5 %
Impurities (by GC)	≤ 2.0 % total

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