Description

Methylenebisstearamide CAS NO 109-23-9 is a high-performance, synthetic organic compound belonging to the class of bisamides, specifically a methylene bis-stearamide. This versatile chemical serves as a highly effective internal and external lubricant, release agent, and anti-blocking additive across numerous manufacturing processes. It is essential for industries seeking to improve processing efficiency, enhance surface quality, and prevent adhesion in polymer and resin systems. Key sectors that rely on this product include plastics, rubber, coatings, and ink manufacturing.

Application

• Primary internal and external lubricant for PVC, polyolefins (PP, PE), and engineering plastics to reduce melt viscosity and improve flow.
• Anti-blocking and release agent in polymer films and sheets to prevent adhesion during production and storage.
• Surface modifier and slip agent in coatings, inks, and masterbatches to enhance gloss and surface smoothness.
• Processing aid in rubber compounding to facilitate mold release and improve dispersion of fillers.
• Additive for synthetic fibers and adhesives to reduce friction and improve processing characteristics.
• Component in crayons, pencils, and polishes as a hardening and lubricating agent.

Basic Information

Product Name	Methylenebisstearamide
CAS No.	109-23-9
Molecular Formula	C37H74N2O2
Molecular Weight	578.99 g/mol
Synonyms	N,N'-Ethylidenebis(stearamide); Ethylenebisstearamide (EBS); N,N'-Ethylenebisoctadecanamide; Bis(stearoyl)ethylenediamine; 1,2-Bis(octadecanamido)ethane; Acrawax C; Licolub FA 1; Lubrol EBS
EINECS	203-656-5

Quality Control

Our Methylenebisstearamide is manufactured under a stringent quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, melting point, and acid value, guaranteeing consistent performance. Certificates of Analysis (COA) are provided with each shipment, detailing the results against our rigorous internal standards. We are committed to supplying material that delivers reliable and repeatable results in your formulations.

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

Specification

Item	Specification
Appearance	White to off-white powder or granules
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0 %
Melting Point	140 - 145 °C
Acid Value	≤ 7.0 mg KOH/g
Amine Value	≤ 2.5 mg KOH/g
Moisture (KF)	≤ 0.5 %
Ash Content	≤ 0.1 %

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