Description

Octadecanoic Acid, 2,2-Dimethylpropyl Ester is a high-purity synthetic ester derived from stearic acid, valued for its excellent stability and hydrophobic properties. This compound serves as a versatile intermediate and functional additive, offering superior performance in formulations requiring thermal and oxidative resistance. It is primarily sought by manufacturers in the lubricants, plastics, cosmetics, and specialty chemicals industries for its role as a plasticizer, emollient, or processing aid.

Application

• Lubricant & Grease Additive: Functions as a synthetic base oil or viscosity modifier, enhancing thermal stability and reducing friction in high-performance lubricants.
• Polymer & Plastic Industry: Acts as an internal lubricant and plasticizer for PVC and other polymers, improving processability and final product flexibility.
• Personal Care & Cosmetics: Used as a non-greasy emollient and skin-conditioning agent in creams, lotions, and makeup formulations.
• Chemical Synthesis: Serves as a key intermediate or building block for producing more complex esters, surfactants, and specialty chemicals.
• Textile & Fiber Processing: Employed as a softening agent and lubricant for synthetic fibers and yarns during manufacturing.
• Coatings & Inks: Imparts water repellency and improves flow properties in industrial coatings, paints, and printing inks.

Basic Information

Product Name	Octadecanoic Acid, 2,2-Dimethylpropyl Ester
CAS No.	102253-41-8
Molecular Formula	C23H46O2
Molecular Weight	354.62 g/mol
Synonyms	Neopentyl Stearate; 2,2-Dimethylpropyl Octadecanoate; Neopentyl Glycol Monostearate; Stearic Acid Neopentyl Ester; Pivalyl Stearate; 2,2-Dimethyl-1-propanol Stearate; 1,1-Dimethylethyl Stearate; EINECS likely assigned. Contact for details.
EINECS	Contact for details

Quality Control

Our Octadecanoic Acid, 2,2-Dimethylpropyl Ester is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, 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 (15-25°C). Keep away from strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	White to off-white solid / waxy flakes
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Saponification Value	155 - 165 mg KOH/g
Melting Point	45 - 55 °C
Heavy Metals (as Pb)	≤ 10 ppm
Loss on Drying	≤ 0.5%

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