Description

3-(tert-Butyldioxy)-3-Phenylphthalide is a specialized organic peroxide compound, recognized for its utility as a high-performance oxidizing agent and radical initiator. Its unique structure provides controlled reactivity, making it a valuable intermediate in synthetic organic chemistry and polymer science. This product is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors seeking efficient and selective oxidation pathways.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) requiring selective oxidation steps.
• Polymerization Initiator: Serves as a radical source for the controlled polymerization of vinyl monomers and other resins.
• Fine Chemical Synthesis: A key reagent for oxidizing sensitive functional groups in complex molecule construction.
• Cross-linking Agent: Employed in the curing and cross-linking of specialty polymers and elastomers to enhance material properties.
• Research & Development: A valuable tool for academic and industrial research in novel synthetic methodologies.
• Agrochemical Production: Used in the manufacture of certain herbicides and pesticides where specific oxidation reactions are required.

Basic Information

Product Name	3-(tert-Butyldioxy)-3-Phenylphthalide
CAS No.	25251-51-8
Molecular Formula	C18H18O4
Molecular Weight	298.33 g/mol
Synonyms	3-(tert-Butylperoxy)-3-phenylphthalide; 3-Phenyl-3-[(2-methylpropan-2-yl)peroxy]phthalide; 3-(tert-Butyldioxy)phthalide; tert-Butyl peroxyphthalide derivative; TBPP; Phenylphthalide peroxide; 1,2-Benzenedicarboxylic acid, cyclic ester with 3-phenyl-3-((1,1-dimethylethyl)dioxy)-1(3H)-isobenzofuranone
EINECS	Contact for details

Quality Control

Our 3-(tert-Butyldioxy)-3-Phenylphthalide is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including assay by HPLC and identification by FT-IR and NMR, to ensure high purity and consistent performance. Certificates of Analysis (COA) documenting all critical parameters are provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat, sparks, and open flames. Keep away from reducing agents, strong acids, bases, and other incompatible materials. Recommended storage temperature: 2-8°C for long-term stability. Always refer to the Safety Data Sheet (SDS) for complete handling and storage instructions.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
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.