Description

2-(Hydroxymethyl)-2-[[(1-Oxoheptyl)Oxy]Methyl]Propane-1,3-Diyl Bisheptanoate is a specialized diester compound valued for its role as a versatile chemical intermediate and functional additive. Its molecular structure, featuring a central pentaerythritol derivative with heptanoate ester groups, provides unique properties such as plasticizing effects and hydrophobic character. This chemical is essential for manufacturers in the polymer, lubricant, and specialty chemical industries seeking to modify material performance and processability.

Application

• Polymer Plasticizer: Used as a specialty plasticizer or co-plasticizer in PVC, polyurethanes, and other polymer systems to enhance flexibility and processing.
• Lubricant & Grease Additive: Functions as a synthetic ester base stock or additive in lubricating oils and greases, contributing to thermal stability and low-temperature performance.
• Chemical Intermediate: Serves as a key building block in organic synthesis for the production of more complex esters, surfactants, or functional polymers.
• Coating & Ink Formulation: Imparts specific rheological and film-forming properties as a modifier in specialty coatings, inks, and adhesives.
• Personal Care & Cosmetics: Employed as an emollient or solvent in high-end cosmetic formulations due to its ester nature and skin-feel properties.
• Functional Fluid: Used as a component in heat transfer fluids, hydraulic fluids, or dielectric fluids where synthetic ester performance is required.

Basic Information

Product Name	2-(Hydroxymethyl)-2-[[(1-Oxoheptyl)Oxy]Methyl]Propane-1,3-Diyl Bisheptanoate
CAS No.	56158-58-8
Molecular Formula	C25H46O7
Molecular Weight	458.63 g/mol
Synonyms	Pentaerythritol Dibenzoate Heptanoate (Mixed Ester); 1,3-Bis(heptanoyloxy)-2-[(heptanoyloxy)methyl]-2-(hydroxymethyl)propane; 2-(Hydroxymethyl)-2-[(1-oxoheptyl)oxymethyl]-1,3-propanediyl bisheptanoate; Pentaerythritol Benzoate Heptanoate; Heptanoic Acid, Mixed Ester with Pentaerythritol and Benzoic Acid; Pentaerythritol Ester of Heptanoic and Benzoic Acids; PE Benzoate Heptanoate
EINECS	Contact for details

Quality Control

Our production of 2-(Hydroxymethyl)-2-[[(1-Oxoheptyl)Oxy]Methyl]Propane-1,3-Diyl Bisheptanoate adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including assay, identity confirmation, and impurity profiling, to ensure consistency and compliance with agreed specifications. Certificates of Analysis (COA) documenting purity, physical properties, and test results are provided with every shipment to guarantee traceability and support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed when not in use to minimize moisture absorption and contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 95.0%
Acid Value	≤ 2.0 mg KOH/g
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	Contact for details
Density (20°C)	Contact for details

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