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Lanphos TEP4
Product Category: Anionics
Phenol + 4EO Phosphate Ester - Acid Form
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
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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