Description

Bis(1,1-Dimethylethyl) Dioxyterephthalate is a specialized organic peroxide ester compound, identified by CAS No. 21578-94-9. This chemical serves as a critical intermediate and initiator in advanced polymerization processes, valued for its controlled reactivity and thermal stability. It is primarily utilized by manufacturers in the polymer and specialty chemical industries for the production of high-performance resins and as a cross-linking agent in specific material formulations.

Application

• Polymerization Initiator: Used as a free-radical initiator in the synthesis of various polymers, including polyethylene, polystyrene, and acrylics.
• Cross-linking Agent: Employed in the curing and cross-linking of unsaturated polyester resins and elastomers to enhance mechanical properties.
• Organic Synthesis Intermediate: Serves as a key building block in the multi-step synthesis of complex organic molecules and pharmaceuticals.
• Resin Modifier: Imparts specific thermal and chemical resistance properties to engineered plastics and composite materials.
• Adhesive & Coating Formulations: A component in high-performance adhesive and coating systems requiring controlled cure profiles.

Basic Information

Product Name	Bis(1,1-Dimethylethyl) Dioxyterephthalate
CAS No.	21578-94-9
Molecular Formula	C16H22O6
Molecular Weight	310.34 g/mol
Synonyms	Di-tert-butyl Peroxyterephthalate; DTBPTP; Bis(tert-butyl) Peroxyterephthalate; tert-Butyl Peroxyterephthalate; Peroxyterephthalic Acid Di-tert-butyl Ester; 1,4-Benzenedicarboxylic Acid, 1,4-Bis(1,1-Dimethylethyl) Ester; DTBP; Terephthalic Acid Di-tert-butyl Peroxide Ester
EINECS	244-463-1

Quality Control

Our production of Bis(1,1-Dimethylethyl) Dioxyterephthalate adheres to stringent quality management protocols. Each batch is analyzed to ensure high purity and consistent performance as a polymerization initiator. Certificates of Analysis (COA) documenting key parameters such as assay, active oxygen content, and impurity profiles are provided to guarantee compliance with your technical requirements.

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 open flame. Recommended storage temperature is 2-8°C (refrigerated) to maintain stability and shelf-life. Keep away from incompatible materials such as strong reducing agents, acids, and bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0 %
Active Oxygen Content	Contact for details
Melting Point	Contact for details
Loss on Drying	≤ 0.5 %
Residue on Ignition	≤ 0.1 %

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