Description

Phthaloyl Peroxide is a specialized organic peroxide compound valued for its potent oxidizing properties. It serves as a critical reagent in controlled oxidation reactions and polymer chemistry, where precise and powerful initiation is required. This product is essential for R&D laboratories and industrial manufacturers in sectors such as specialty polymers, fine chemical synthesis, and advanced material science.

Application

• Primary use as a free-radical initiator in the polymerization of vinyl monomers (e.g., styrene, acrylates).
• Key reagent in organic synthesis for the controlled oxidation of sensitive substrates.
• Employed in the cross-linking and modification of polymers to enhance thermal and mechanical properties.
• Used in research and development of advanced polymeric materials, including composites and specialty resins.
• Application in the synthesis of pharmaceutical intermediates requiring specific oxidative steps.

Basic Information

Product Name	Phthaloyl Peroxide
CAS No.	4733-52-2
Molecular Formula	C8H4O4
Molecular Weight	164.12 g/mol
Synonyms	1,2-Benzenedicarboperoxoic Acid; Phthalic Acid Peroxide; Phthaloperoxoic Acid; Phthaloyl Dihydroperoxide; o-Phthaloyl Peroxide; Benzene-1,2-dicarboperoxoic Acid; NSC 403754; Phthalic Peroxide
EINECS	225-231-8

Quality Control

Our Phthaloyl Peroxide is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay, identification, and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat, sparks, and incompatible materials such as reducing agents, strong bases, and combustible substances. Due to its nature as a peroxide, it is recommended to store in the original container and monitor stock regularly.

Specification

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