Description

1-Methyl-1,2-Ethanediyl Diisooctadecanoate is a high-purity diester compound derived from isostearic acid, valued for its excellent lubricity, stability, and hydrophobic properties. This specialty chemical serves as a versatile intermediate and functional additive, enhancing product performance in demanding formulations. It is primarily sought by manufacturers in the personal care, lubricant, and polymer industries seeking to improve texture, reduce friction, or modify material characteristics.

Application

• Personal Care & Cosmetics: Acts as a high-performance emollient and skin-conditioning agent in creams, lotions, and sunscreens, providing a non-greasy feel and improved spreadability.
• Lubricants & Greases: Functions as a synthetic base oil or additive in specialty lubricants, offering excellent thermal stability and low-temperature fluidity.
• Polymer & Plastic Additives: Used as a plasticizer or internal lubricant in PVC and other polymer processing to improve flexibility and mold release.
• Metalworking Fluids: Serves as a friction-reducing component in cutting oils and drawing compounds, enhancing tool life and surface finish.
• Textile & Fiber Processing: Employed as a softening agent and spin finish for synthetic fibers to reduce static and improve handle.
• Adhesives & Sealants: Imparts water resistance and flexibility as a modifier in adhesive formulations.

Basic Information

Product Name	1-Methyl-1,2-Ethanediyl Diisooctadecanoate
CAS No.	68958-54-3
Molecular Formula	C39H76O4
Molecular Weight	608.99 g/mol
Synonyms	Propylene Glycol Diisostearate; 1,2-Propanediol Diisostearate; PG Diisostearate; Diisooctadecanoic Acid, 1-Methyl-1,2-ethanediyl Ester; 1-Methyl-1,2-ethanediyl Diisooctadecanoate; Isostearic Acid, Propylene Glycol Diester; Bis(isooctadecanoic acid) 1-methyl-1,2-ethanediyl ester
EINECS	Contact for details

Quality Control

Our 1-Methyl-1,2-Ethanediyl Diisooctadecanoate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets stringent specifications for identity, purity, and performance. Certificates of Analysis (COA) documenting key parameters 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 strong alkalis and organic solvents. Recommended storage temperature is 15-25°C. Keep container tightly sealed when not in use to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Clear, pale yellow to colorless viscous liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Acid Value	≤ 2.0 mg KOH/g
Hydroxyl Value	≤ 10.0 mg KOH/g
Saponification Value	175 - 195 mg KOH/g
Water Content (KF)	≤ 0.2%

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