Description

Dioctadecanoic Acid 2,2-Dimethyl-1,3-Propanediyl Ester is a high-purity, synthetic diester compound valued for its excellent lubricity, thermal stability, and hydrophobic properties. This chemical serves as a versatile intermediate and functional additive in advanced material formulations. It is primarily sought by manufacturers in the polymer, lubricant, and specialty chemical industries for enhancing product performance and durability.

Application

• Polymer Additive: Acts as an internal or external lubricant and plasticizer in engineering plastics and PVC formulations to improve processing and surface finish.
• Synthetic Lubricant Base Stock: Used in the formulation of high-performance greases, metalworking fluids, and synthetic engine oils due to its low volatility and high thermal-oxidative stability.
• Cosmetic & Personal Care Ingredient: Functions as an emollient and skin-conditioning agent in creams, lotions, and lipsticks, providing a non-greasy feel.
• Textile & Fiber Treatment: Imparts water repellency and softening effects to fabrics and non-woven materials.
• Rubber Processing Aid: Used as a processing aid and mold release agent in the production of synthetic rubber and tires.
• Specialty Coatings & Inks: Enhances flow, leveling, and water resistance in industrial coatings, printing inks, and adhesives.
• Food Contact Material Additive: Employed as a lubricant in polymers intended for food packaging applications, subject to appropriate regulatory compliance.

Basic Information

Product Name	Dioctadecanoic Acid 2,2-Dimethyl-1,3-Propanediyl Ester
CAS No.	15196-51-7
Molecular Formula	C₇₇H₁₅₂O₄
Molecular Weight	1133.98 g/mol
Synonyms	2,2-Dimethyl-1,3-propanediol distearate; Distearyl 2,2-dimethylmalonate; Neopentyl glycol distearate; NPG distearate; Dioctadecanoic acid, 2,2-dimethyl-1,3-propanediyl ester; Bis(octadecanoyloxymethyl)-2,2-dimethylpropane; 2,2-Bis(stearoyloxymethyl)propane
EINECS	Contact for details

Quality Control

Our Dioctadecanoic Acid 2,2-Dimethyl-1,3-Propanediyl Ester is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and performance characteristics. 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 at room temperature (15-25°C). Keep away from strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	White to off-white flake or solid
Identification (IR)	Conforms to structure
Assay (GC or HPLC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Iodine Value	≤ 1.0 g I₂/100g
Melting Point	60 - 65 °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.