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Lanphos TEP4

Product Category: Anionics

Phenol + 4EO Phosphate Ester - Acid Form

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Lanphos TEP4 is a phosphate ester manufactured using polyphosphoric acid resulting in a product that gives predominately mono-esters. The main advantage of a phosphate ester over a conventional anionic is its excellent stability in high concentrations of acid, alkali and electrolyte.

 

This product is supplied in acid from and can be neutralised with a number of differing bases to produce a salt. Lanphos TEP4 offers good wetting, detergency, lubricity and emulsification properties.

Wetting draves 0.5g/l

wetting-0.png

Specification

Appearance at 25°C

Clear viscous straw liquid free from foreign matter

Water %

0.5 max

Acid value mg.KOH/g

163.0 - 171.0

Free nonionic value %

22 max

Typical Properties

Composition

Aryl ether phosphate (free acid form)

Activity %

100

Solubility in water

Soluble

CAS number 

39464-70-5

Viscosity at 25°C (cP)

7686

Pour point °C

2

Odour

Characteristic

Specific gravity at 20°C

1.285

Flash point closed cup °C

>150

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