Description

6,6'-[(3,3'-Di-T-Butyl-5,5'-Dimethoxy-1,1'-Biphenyl-2,2'-Diyl)Bis(Oxy)]Bis(Dibenzo[D,F][1,3,2]Dioxaphosphepin)Hemiethylacetateadduct is a high-performance organophosphorus compound, primarily utilized as a specialized additive and intermediate in advanced polymer systems. Its complex molecular structure provides unique properties that are critical for enhancing material performance and stability under demanding conditions. This chemical is essential for manufacturers in the polymer, specialty plastics, and advanced materials sectors seeking to improve product durability and processing characteristics.

Application

• Polymer Stabilizer: Acts as a high-efficiency processing and long-term thermal stabilizer for engineering plastics and high-performance polymers.
• Specialty Additive Intermediate: Serves as a key precursor in the synthesis of advanced flame retardants and antioxidant additives.
• Advanced Material Synthesis: Used in the production of specialty resins and coatings that require enhanced oxidative and thermal resistance.
• Liquid Crystal Polymer (LCP) Modification: Employed as a functional additive to tailor the properties of high-temperature LCPs.
• Photoresist Components: Finds application in the formulation of advanced photoresists for the semiconductor industry.
• Catalyst Ligand: Can be utilized as a sophisticated ligand in organometallic catalysis for fine chemical synthesis.

Basic Information

Item	Details
Product Name	6,6'-[(3,3'-Di-T-Butyl-5,5'-Dimethoxy-1,1'-Biphenyl-2,2'-Diyl)Bis(Oxy)]Bis(Dibenzo[D,F][1,3,2]Dioxaphosphepin)Hemiethylacetateadduct
CAS No.	121627-17-6
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Bis(6H-dibenzo[c,e][1,2]oxaphosphorin-6-yl) 3,3',5,5'-tetra-tert-butyl-2,2',4,4'-tetrahydroxybiphenyl ether; Ethanone, 2-[[6,6'-[(3,3'-di-1,1-dimethylethyl-5,5'-dimethoxy[1,1'-biphenyl]-2,2'-diyl)bis(oxy)]bis[dibenzo[d,f][1,3,2]dioxaphosphepin-6-yl]]oxy]-, (2:1); Phosphite antioxidant P-EPQ; Antioxidant P-EPQ; Irgafos P-EPQ; ADK STAB PEP-36; Tris(2,4-di-tert-butylphenyl) phosphite adduct
EINECS	Contact for details

Quality Control

Our production of 6,6'-[(3,3'-Di-T-Butyl-5,5'-Dimethoxy-1,1'-Biphenyl-2,2'-Diyl)Bis(Oxy)]Bis(Dibenzo[D,F][1,3,2]Dioxaphosphepin)Hemiethylacetateadduct adheres to a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling, to meet exacting customer specifications. Certificates of Analysis (COA) documenting identity, purity, and key physical parameters are provided with every shipment.

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). Due to its sensitivity to oxidation, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
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

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