Synonym(s): Pentaerythrityl tetraoleate, tetramethylolmethane tetraoleate, 2,2-bis(hydroxymethyl) propane-1,3-diol tetraoleate, PETP Tetraoleate

Description

CG 405 is made by reacting pentaerythritol with oleic acid. The formula of the product is C(CH2OOCC17H33)4. CG 405 has excellent lubricity, high viscosity index, and is biodegradable. It is widely used as a base stock in flame resistant hydraulic fluids and metal-working fluids. It is also used in many environmentally friendly oils due to its biodegradability.

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Specification

Property	Specification	Typical Value
Appearance, 25 °C	Visual	Light yellow liquid
KV 40, cSt	ASTM D445	60 - 75
KV 100, cSt	ASTM D445	11.5 – 13.5
TAN, mg KOH/g	ASTM D664	1.0 Max
Flash Point, Open Cup, °C	ASTM D92	300 Min
Pour Point, °C	ASTM D97	- 25 Max

Properties

Chemical Formula	C77H140O8
Molecular Weight	1193.96
Appearance	Light yellow liquid
Melting Point	-20 °C (-4 °F)
Initial boiling point and boiling range	996 °C (1,825 °F)
Flash point, closed cup	343 °C (649 °F)
Density, 20 °C, g/cm3	0.93 g/cm3

Applications

PETO is used for many applications, which include, but are not limited to,

Synthetic ester base oil for flame-resistant hydraulic fluids, particularly for ISO 68 hydraulic fluids.
Biodegradable hydraulic fluids.
Cutting and grinding oils, industrial rolling oils, and metal-working fluids.

Manufacturing Process

Industrial PETO, pentaerythritol tetraoleate, is manufactured by an esterification reaction, reacting pentaerythritol with oleic acid, in the presence of an acid catalyst.

Chemical Reactions

PETO is usually used as an end product in multiple applications, and it is not typically used as a chemical intermediate. However, PETO may not be stable under strong acidic or basic conditions, particularly when water or moisture is present. In these cases, PETO tends to be hydrolyzed into pentaerythritol mono-oleate, pentaerythritol di-oleate, pentaerythritol tri-oleate and oleic acid.

Spectra

NMR

IR

Packaging

180 kg / metal drum

900 kg / tote

Bulk

Other packaging available upon request

Documents

TDS

CG 405 PETO High Quality, CAS 19321-40-5, Pentaerythritol Tetraoleate, ISO 68 Hydraulic