Description

2-(Hydroxymethyl)-2-[[(1-Oxoisooctadecyl)Oxy]Methyl]-1,3-Propanediyl Bis(Isooctadecanoate) is a high-purity, synthetic ester compound designed for advanced formulation applications. Its complex branched structure provides excellent stability and compatibility, making it a valuable functional additive. This chemical is primarily utilized by manufacturers in the personal care, cosmetics, and specialty lubricants industries seeking to enhance product performance and texture.

Application

• Primary emollient and skin-conditioning agent in high-end cosmetic creams, lotions, and sunscreens.
• Key ingredient for improving spreadability and sensory feel (non-greasy, silky) in personal care formulations.
• Functional additive in specialty synthetic lubricants and metalworking fluids to modify viscosity and improve film strength.
• Plasticizer and compatibilizer in select polymer and resin systems requiring low volatility and high thermal stability.
• Base material for the synthesis of more complex ester derivatives in fine chemical production.
• Component in release agents and mold lubricants for industrial manufacturing processes.

Basic Information

Product Name	2-(Hydroxymethyl)-2-[[(1-Oxoisooctadecyl)Oxy]Methyl]-1,3-Propanediyl Bis(Isooctadecanoate)
CAS No.	94689-35-7
Molecular Formula	C81H156O8
Molecular Weight	1258.1 g/mol (approx.)
Synonyms	Pentacrythrityl Tetrabehenate (Mixed Isomers); Bis(isooctadecyl) 2,2-bis[[(1-oxoisooctadecyl)oxy]methyl]propanedioate; Tetrabehenyl Pentaerythrityl Ether; Pentaerythritol Tetrabehenate Ester; C18-22 Acid Pentaerythrityl Ester; Pentaerythrityl Tetrabehenate; Behenyl Behenate (Complex Ester); Cosmetic Grade Ester 94689-35-7
EINECS	Contact for details

Quality Control

Our 2-(Hydroxymethyl)-2-[[(1-Oxoxoisooctadecyl)Oxy]Methyl]-1,3-Propanediyl Bis(Isooctadecanoate) is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistency, purity, and compliance with relevant specifications for cosmetic and industrial use. A comprehensive Certificate of Analysis (COA) documenting identity, assay, and impurity profiles is available for every shipment upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C/59-77°F). This material is easily oxidized; for long-term storage, consider maintaining under an inert atmosphere (e.g., nitrogen blanket) to preserve quality. Keep away from strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	White to off-white waxy solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Acid Value	≤ 2.0 mg KOH/g
Hydroxyl Value	≤ 10.0 mg KOH/g
Saponification Value	140 - 160 mg KOH/g
Melting Point	60 - 75 °C
Heavy Metals (as Pb)	≤ 10 ppm

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