Description

1,3-Propanediol Distearate is a high-purity diester derived from 1,3-propanediol and stearic acid, serving as a versatile non-ionic surfactant and emollient. This compound is valued for its excellent stability, lubricity, and conditioning properties in demanding formulations. It is a critical ingredient for manufacturers in the personal care, cosmetics, and specialty chemical industries seeking reliable performance enhancers.

Application

• Personal Care & Cosmetics: Acts as a premium emollient, skin-conditioning agent, and opacifier in creams, lotions, and makeup products.
• Hair Care Formulations: Used as a conditioning agent and lubricant in shampoos, conditioners, and hair styling products to improve manageability and shine.
• Pharmaceutical Excipient: Serves as a non-irritating emulsifier and stabilizer in topical ointments, creams, and controlled-release drug delivery systems.
• Industrial Lubricants & Release Agents: Functions as a biodegradable lubricant and mold release agent in plastic and rubber processing.
• Textile & Fiber Processing: Employed as a softening agent and spin finish for synthetic fibers to enhance processing and final hand feel.
• Food-Grade Applications: Can be used as an emulsifier and stabilizer in food-contact materials and packaging (subject to specific grade and regulatory approval).

Basic Information

Product Name	1,3-Propanediol Distearate
CAS No.	17367-44-1
Molecular Formula	C₃₉H₇₆O₄
Molecular Weight	621.0 g/mol
Synonyms	1,3-Propanediol Disterate; Propane-1,3-diyl Distearate; Propanediol Distearate; 1,3-PDO Distearate; Distearic Acid 1,3-Propanediol Ester; Trimethylene Glycol Distearate; Stearic Acid, 1,3-Propanediol Diester
EINECS	241-387-5

Quality Control

Our 1,3-Propanediol Distearate 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. Certificates of Analysis (COA) documenting key parameters such as assay, acid value, and saponification value are provided with every shipment to guarantee consistent quality and traceability.

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 excessive heat to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white waxy solid / Flakes
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Saponification Value	175 - 190 mg KOH/g
Melting Point	55 - 65 °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.