Description

Pentaerythritol Monostearate is a versatile partial ester derived from pentaerythritol and stearic acid, serving as a multifunctional additive. This compound is valued for its excellent lubricating, emulsifying, and anti-static properties, which enhance material performance and processing efficiency. It is a critical component for manufacturers in the plastics, coatings, and personal care industries seeking to improve product quality and stability.

Application

• As an internal lubricant and processing aid in PVC and other thermoplastic formulations to reduce friction and improve flow.
• Acts as an emulsifier and stabilizer in the production of cosmetics and personal care products, such as creams and lotions.
• Used as a dispersing agent and flow promoter in industrial coatings, inks, and paints.
• Functions as an anti-static agent in plastic films and packaging materials.
• Serves as a component in synthetic lubricants and greases for its thickening and stabilizing effects.
• Employed as a mold release agent in various polymer processing and rubber applications.

Basic Information

Product Name	Pentaerythritol Monostearate
CAS No.	78-23-9
Molecular Formula	C23H46O5
Molecular Weight	402.61 g/mol
Synonyms	Pentaerythritol Monooctadecanoate; Pentaerythrityl Monostearate; 2,2-Bis(hydroxymethyl)-1,3-propanediol Monostearate; Monopentaerythritol Monostearate; Pentaerythritol Partial Stearate; PE Monostearate; PEMS; EINECS 201-095-3
EINECS	201-095-3

Quality Control

Our Pentaerythritol Monostearate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) documenting purity, identity, and key parameters is available for every shipment to guarantee traceability and compliance with your requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen) when in opened containers to prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white flake or powder
Identification (IR)	Conforms
Assay (GC or Titration)	≥ 95.0%
Acid Value	≤ 10.0 mg KOH/g
Hydroxyl Value	Contact for details
Saponification Value	Contact for details
Melting Point	50 - 60 °C
Loss on Drying	≤ 1.0 %

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