Pentaerythrityl stearate (PETS) CAS 115-83-3, also known as pentaerythritol tetrastearate or pentaerythritol stearate, has a molecular weight of 1201.99 and a molecular formula of C77H148O8,; It has good internal and external lubricity, can improve the thermal stability of the product, and is non-toxic. The product is usually a white hard high melting point wax, soluble in solvents such as ethanol, benzene, and chloroform.

Chinese name: pentaerythritol stearate

English name: Pentaerythrityl tetrastearate

Nickname name: pentaerythritol stearate, pentaerythritol tetrastearate

Molecular formula: C77H148O8

Molecular weight: 1201.99

CAS number: 85116-93-4;115-83-3

EINECS number: 204-110-1

Physical and chemical properties

Density (g/mL, 20 ℃): 0.93

Boiling point (º C, atmospheric pressure): 261

Flash point (º C): 247

Melting point: 60-66 º C

Character: Appearance in white flake or powder form

Purpose

PETS has good thermal stability and low volatility at high temperatures, good demolding and flowability, and excellent nucleation effect on partially crystalline plastics, making it suitable for transparent products. The outstanding thermal stability of PETS makes it suitable for the processing of such systems without worrying about degradation, and it can significantly improve transparency and surface finish.

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