Description

Propanoic Acid, 2,2-Dimethyl-, 1,1',1',1'''-[Methylenebis[Phosphinylidynebis(Oxymethylene)]] Ester is a specialized organophosphorus compound with a complex, multi-branched molecular structure. This chemical matters as a high-performance intermediate, offering unique reactivity for synthesizing advanced materials with tailored properties. It is primarily needed by manufacturers in the polymer, specialty chemical, and advanced material science industries seeking to develop novel flame retardants, plasticizers, or functional additives.

Application

• As a key monomer or cross-linking agent in the synthesis of specialty polymers and resins.
• Potential intermediate for the development of novel flame-retardant additives for plastics and textiles.
• Used in research and development of advanced materials, such as dendrimers or star-shaped polymers.
• As a building block for organophosphorus ligands in catalytic systems.
• Intermediate in the production of specialty plasticizers with enhanced performance characteristics.
• Component in the formulation of high-performance coatings and adhesives.

Basic Information

Item	Detail
Product Name	Propanoic Acid, 2,2-Dimethyl-, 1,1',1',1'''-[Methylenebis[Phosphinylidynebis(Oxymethylene)]] Ester
CAS No.	134606-34-1
Molecular Formula	C15H28O10P2
Molecular Weight	438.32 g/mol
Synonyms	Pentaerythritol Bisphosphite; Tetrakis(2,2-dimethylpropyl) Pentaerythritol Diphosphite; Bis(2,2-dimethylpropyl) Pentaerythritol Diphosphite; Pentaerythritol Tetrakis(3,3-dimethylbutyrate) Phosphite; 3,3-Dimethylbutyl Pentaerythritol Diphosphite; Pentaerythritol Bis(3,3-dimethylbutyl) Phosphite; [Methylenebis(phosphinylidynebis(oxymethylene))] tetrakis(2,2-dimethylpropanoate)
EINECS	Contact for details

Quality Control

Our Propanoic Acid, 2,2-Dimethyl-, 1,1',1',1'''-[Methylenebis[Phosphinylidynebis(Oxymethylene)]] Ester is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance. Certificates of Analysis (COA) documenting key parameters such as assay, identity, and impurity profiles are available upon request 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 incompatible materials such as strong bases and organic solvents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize moisture uptake and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Acidity (Titration)	≤ 0.5%
Water Content (KF)	≤ 0.2%
Specific Gravity (20°C)	1.10 - 1.20
Refractive Index (20°C)	1.460 - 1.480

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