Description

2,2-Bis(Hydroxymethyl)-1,3-Propanediyl Dioctanoate is a high-purity diester compound, also known as pentaerythritol dioctanoate. This versatile chemical intermediate is valued for its excellent solvency, plasticizing properties, and stability, making it a key component in advanced material formulations. It is essential for manufacturers in the polymer, coatings, and specialty chemical industries seeking to enhance product performance and process efficiency.

Application

• As a plasticizer and co-plasticizer in the production of flexible PVC, polyurethanes, and other polymer systems.
• As a synthetic lubricant base stock and additive in high-performance greases and functional fluids.
• As a solvent and carrier in specialty coatings, inks, and adhesive formulations.
• As a chemical intermediate for the synthesis of more complex esters and specialty surfactants.
• As a viscosity modifier and processing aid in various industrial applications.
• In the formulation of personal care products and cosmetic ingredients where specific emollient properties are required.

Basic Information

Product Name	2,2-Bis(Hydroxymethyl)-1,3-Propanediyl Dioctanoate
CAS No.	55680-37-0
Molecular Formula	C21H38O6
Molecular Weight	386.53 g/mol
Synonyms	Pentaerythritol Dioctanoate; Pentaerythritol Di(2-ethylhexanoate); 2,2-Bis(hydroxymethyl)-1,3-propanediol dioctanoate; Pentaerythritol Di(octanoate); Dioctanoic Acid Pentaerythritol Ester; Bis(2-ethylhexanoic acid) Pentaerythritol Ester; Pentaerythritol Ester of Octanoic Acid
EINECS	Contact for details

Quality Control

Our 2,2-Bis(Hydroxymethyl)-1,3-Propanediyl Dioctanoate is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and performance. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
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)	0.95 - 0.98 g/mL

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