Chemical

Products

Pentaerythritol

Cas Number

115-77-5

Other Names

2,2-Bis(hydroxymethyl)1,3-propanediol,

Pentaerythritol,

Hercules P 6,

Monopentaerythritol,

Tetramethylolmethane,

THME,

PETP,

Pentaerythrite,

Pentek,

Hercules Aqualon improved technical PE-200

The formula

C5H12O4

Introduction

Pentaerythritol is an organic compound, a white, crystalline solid with the formula C5H12O4. It is a polyol with the neopentane backbone and one hydroxyl group in each of the four terminal carbons. It is a building block for the synthesis and production of explosives, plastics, paints, appliances, cosmetics, and many other important chemicals.

Physical and Chemical Properties
Physical state and Appearance: Solid
Molecular Weight: 136.15 g/mole
Boiling Point: Decomposes
Flash point: 240°C
Melting Point: 260°C (500°F)
Specific Gravity: 1.396 (Water = 1)
Vapor Density: 4.7 (Air = 1)
Ionicity (in Water): See solubility in water.
Dispersion Properties: Partially soluble in cold water.
Monopenta content: 98 – 100 % (p/p)
Dipenta content: 0 – 1.3 % (p/p)
Moisture: 0 – 0.2 % (p/p)
Sulphated Ash: 0 – 0.015 % (p/p)
Melting Colour: 0 – 2 I2
Hydroxyl content: 49 – 50 % (p/p)
Applications

Pentaerythritol is used in manufacture of Alkyd resins, fatty acid rosin and tall oil esters

It is also used to make paint and coatings, printing ink, coating adhesives, sealants, varnish, lacquer, vinyl chloride, synthetic rubber and Synthetic lubricants

It is used in fire retardant surface coatings