Description

2-T-Butylperoxy-2-Ethylbutan-1-Ol, Butyrate Ester is a specialized organic peroxide ester, a high-purity chemical intermediate valued for its controlled reactivity. This compound is engineered to serve as a critical initiator or cross-linking agent in advanced polymerization processes. It is essential for manufacturers in the polymer, specialty chemical, and advanced materials sectors seeking precise molecular control.

Application

• Primary free-radical initiator for the polymerization of ethylene, styrene, and (meth)acrylates.
• Key cross-linking agent for enhancing the thermal and mechanical properties of polyethylene, silicones, and unsaturated polyester resins.
• Used in the synthesis of modified polymers and specialty elastomers requiring specific performance characteristics.
• Employed as an intermediate in the production of pharmaceuticals and agrochemicals where peroxide chemistry is required.
• Facilitates curing processes in high-performance coatings, adhesives, and composite materials.

Basic Information

Product Name	2-T-Butylperoxy-2-Ethylbutan-1-Ol, Butyrate Ester
CAS No.	139727-33-6
Molecular Formula	C14H28O5
Molecular Weight	276.37 g/mol
Synonyms	2-(tert-Butylperoxy)-2-ethylbutyl butyrate; 2-Ethyl-2-[(tert-butylperoxy)methyl]-1-butanol butanoate; tert-Butyl peroxy-2-ethylhexanoate (related class); 2-Ethyl-2-(tert-butylperoxy)butyl butyrate; TBPEB Butyrate; Peroxide Ester 139727-33-6; Organic Peroxide Initiator
EINECS	Contact for details

Quality Control

Our production of 2-T-Butylperoxy-2-Ethylbutan-1-Ol, Butyrate Ester adheres to stringent quality protocols to ensure batch-to-batch consistency and reliability for industrial processes. Each lot is analyzed to confirm critical parameters such as active oxygen content and purity. Certificates of Analysis (COA) documenting full specifications are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat, sparks, and open flame. Due to its nature as an organic peroxide and being easily oxidized, it is recommended to store under an inert atmosphere (e.g., nitrogen) and separate from incompatible materials such as strong acids, reducing agents, and other peroxides. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (Active Oxygen)	≥ 95.0%
Purity (HPLC)	≥ 98.0%
Density (at 20°C)	0.92 - 0.96 g/mL
Refractive Index (n20D)	1.420 - 1.430

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