Description

2,2-Bis(Hydroxymethyl)Propane-1,3-Diyl Bisheptanoate is a high-purity diester compound derived from pentaerythritol and heptanoic acid, valued for its excellent solvency and plasticizing properties. It serves as a versatile intermediate and functional additive, offering superior compatibility and stability in demanding formulations. This chemical is essential for manufacturers in the polymer, lubricant, and specialty chemical industries seeking reliable performance enhancers.

Application

• Polymer Plasticizer: Used as a specialty plasticizer and co-stabilizer in PVC, polyurethanes, and other polymer systems to improve flexibility and low-temperature performance.
• Lubricant & Grease Additive: Functions as a synthetic base oil or additive in high-performance lubricants and greases, contributing to thermal stability and low volatility.
• Chemical Intermediate: Serves as a key building block in the synthesis of more complex esters, resins, and dendritic polymers.
• Cosmetic & Personal Care: Employed as an emollient and solvent in high-end cosmetic formulations, skin creams, and lotions.
• Adhesive & Sealant Formulation: Acts as a tackifier and processing aid in solvent-based adhesives and sealants to enhance wetting and film formation.
• Industrial Solvent: Utilized as a high-boiling, low-odor solvent for resins, inks, and coatings.

Basic Information

Product Name	2,2-Bis(Hydroxymethyl)Propane-1,3-Diyl Bisheptanoate
CAS No.	67763-19-3
Molecular Formula	C19H34O6
Molecular Weight	358.47 g/mol
Synonyms	Pentaerythritol Diheptanoate; Pentaerythrityl Diheptanoate; 2,2-Bis(hydroxymethyl)-1,3-propanediol Diheptanoate; 1,3-Propanediol, 2,2-bis(hydroxymethyl)-, Diheptanoate; Pentaerythritol Ester of Heptanoic Acid; Diheptanoic Acid Pentaerythritol Ester; Pentaerythritol Diformate (Heptanoate); EINECS 267-086-4
EINECS	267-086-4

Quality Control

Our 2,2-Bis(Hydroxymethyl)Propane-1,3-Diyl Bisheptanoate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and performance. A comprehensive Certificate of Analysis (COA) documenting all critical parameters is provided with each shipment to guarantee traceability and compliance with your quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong alkalis and incompatible materials. For long-term storage, consider using an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Water Content (KF)	≤ 0.1%
Refractive Index (20°C)	1.445 - 1.455
Density (20°C)	0.98 - 1.02 g/mL

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