Description

Mecgpph, 1,3,5,7-Tetramethyl-8-Phenyl-2,4,6-Trioxa-8-Phosphatricyclo[3.3.1.13,7]Decane is a specialized organophosphorus compound featuring a unique caged phosphatricyclodecane structure. This compound matters as a high-performance phosphite antioxidant and stabilizer, offering superior protection against thermal and oxidative degradation in demanding polymer systems. It is primarily needed by manufacturers in the polymer, specialty chemical, and advanced materials industries seeking to enhance the longevity and performance of their products.

Application

• Polymer Stabilization: Acts as a highly effective secondary antioxidant (phosphite) in polyolefins (PP, PE), engineering plastics (PC, ABS, PA), and synthetic rubbers to prevent chain scission and maintain molecular weight during high-temperature processing.
• Synergistic Formulations: Used in combination with primary phenolic antioxidants to create robust stabilization packages that offer comprehensive protection against thermo-oxidative degradation.
• Color Retention: Helps in preserving the color and clarity of polymers by effectively decomposing hydroperoxides before they can form colored chromophores.
• Advanced Material Processing: Employed as a stabilizer in high-temperature polymer processing applications, including fiber spinning and film extrusion, where thermal stability is critical.
• Specialty Chemical Intermediate: Serves as a key building block or ligand in the synthesis of other organophosphorus compounds for catalytic or material science applications.
• Lubricant and Fuel Additive: Potential use as an antioxidant additive in synthetic lubricants and industrial fuels to improve oxidative stability.

Basic Information

Item	Details
Product Name	Mecgpph, 1,3,5,7-Tetramethyl-8-Phenyl-2,4,6-Trioxa-8-Phosphatricyclo[3.3.1.13,7]Decane
CAS No.	97739-46-3
Molecular Formula	C16H21O3P
Molecular Weight	292.31 g/mol
Synonyms	1,3,5,7-Tetramethyl-8-phenyl-2,4,6-trioxa-8-phosphatricyclo[3.3.1.13,7]decane; Mecgpph; Tris(2,4-di-tert-butylphenyl) phosphite (Note: This is a common but distinct phosphite; verify structure); Phenylphosphonic acid cyclic neopentanetetrayl ester; 8-Phenyl-2,4,6-trioxa-8-phosphatricyclo[3.3.1.13,7]decane, 1,3,5,7-tetramethyl-; Cyclic neopentanetetrayl phenylphosphonite; Antioxidant 168 (related class); CAS 97739-46-3.
EINECS	Contact for details

Quality Control

Our production of Mecgpph adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. The product is manufactured in facilities that follow cGMP guidelines where applicable. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as assay, identity, and impurity profiles. We support compliance with global regulatory frameworks including REACH.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This material is easily oxidized; for long-term storage, maintaining an inert atmosphere (e.g., under nitrogen or argon) is recommended to preserve efficacy. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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