Description

Tetramethylene Distearate is a synthetic diester compound, specifically the tetramethylene glycol diester of stearic acid. This chemical serves as a versatile intermediate and functional additive, prized for its ability to modify rheological properties and impart lubricity or hydrophobic characteristics. It is primarily utilized by manufacturers in the plastics, lubricant, and personal care industries seeking to enhance product performance and processing.

Application

• As a lubricant and internal mold release agent in the production of engineering plastics and polymers.
• Functioning as a viscosity modifier and thickening agent in greases and specialty lubricating oils.
• Acting as a plasticizer and processing aid to improve the flexibility and workability of PVC and other resin compounds.
• Utilized as a waterproofing agent and hydrophobic additive in coatings, textiles, and construction materials.
• Serving as a emollient and texture enhancer in cosmetic and personal care formulations such as creams and lotions.
• Employed as a intermediate in the synthesis of more complex surfactants and specialty esters.

Basic Information

Product Name	Tetramethylene Distearate
CAS No.	33587-21-2
Molecular Formula	C40H78O4
Molecular Weight	623.05 g/mol
Synonyms	1,4-Butanediol Distearate; Butane-1,4-diyl Distearate; Tetramethylene Glycol Distearate; Stearic Acid, Tetramethylene Ester; Distearic Acid Tetramethylene Ester; Bis(stearoyloxy)butane; Butanediol Distearate
EINECS	Contact for details

Quality Control

Our Tetramethylene Distearate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure consistent purity, identity, and performance. A detailed Certificate of Analysis (COA) documenting key parameters such as assay, acid value, and melting point is provided with each shipment to guarantee compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and heat sources to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white waxy solid
Identification (IR)	Conforms
Assay (GC)	≥ 95.0%
Acid Value	≤ 2.0 mg KOH/g
Saponification Value	175 - 190 mg KOH/g
Melting Point	55 - 65 °C
Color (APHA)	≤ 100

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