Description

Neopentyl Glycol Diisostearate is a high-performance, branched-chain diester synthesized from neopentyl glycol and isostearic acid. This compound matters for its exceptional oxidative stability, low-temperature fluidity, and excellent lubricity, making it a superior alternative to conventional linear esters. Industries that require high-performance synthetic lubricants and plasticizers, such as advanced polymer manufacturing, high-end personal care, and specialty chemical formulation, rely on its unique properties.

Application

• As a high-performance synthetic base oil and lubricant additive in demanding industrial and automotive applications.
• As a primary plasticizer and co-stabilizer in PVC and other polymer systems to enhance flexibility and low-temperature performance.
• As a key emollient and texture enhancer in high-end cosmetic and personal care formulations, such as sunscreens, creams, and lipsticks.
• As a processing aid and internal lubricant in the production of engineering plastics and synthetic fibers.
• As a component in specialty coatings and inks to improve flow, gloss, and substrate wetting.
• As a hydrophobic agent and water repellent in surface treatment formulations.
• As a carrier fluid in functional fluid concentrates and metalworking fluids.

Basic Information

Product Name	Neopentyl Glycol Diisostearate
CAS No.	109884-54-0
Molecular Formula	C41H80O4
Molecular Weight	637.1 g/mol
Synonyms	Neopentyl Glycol Diisooctadecanoate; 2,2-Dimethyl-1,3-propanediol Diisostearate; NPG Diisostearate; Bis(isooctadecanoic acid) 2,2-dimethyl-1,3-propanediol ester; Diisooctadecanoic Acid Neopentyl Glycol Ester; NPGDIS; Isostearic Acid, Diester with Neopentyl Glycol
EINECS	Contact for details

Quality Control

Our Neopentyl Glycol Diisostearate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistency, purity, and performance. We provide comprehensive Certificates of Analysis (COA) detailing key specifications such as acid value, saponification value, hydroxyl value, and color. Our commitment to quality ensures the material meets the stringent requirements of the cosmetic, polymer, and lubricant industries.

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. Under these conditions, the product has excellent shelf stability.

Specification

Item	Specification
Appearance	Clear, pale yellow viscous liquid
Acid Value (mg KOH/g)	≤ 1.0
Hydroxyl Value (mg KOH/g)	≤ 10.0
Saponification Value (mg KOH/g)	170 - 190
Color (Gardner)	≤ 3
Moisture (Karl Fischer)	≤ 0.1%
Viscosity @ 40°C (cSt)	Contact for details
Pour Point (°C)	Contact for details

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