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Chemfac NB-159 belongs to the organic phosphate ester family and is a free acid phosphate ester and the CAS Number is 68607-14-7. At room temperature, it is a pourable clear amber liquid and is soluble in water. It has a Gardner color maximum of 5, an acid value that ranges from 160 to 177 at a pH of 9.5, an acidity of 2.85 – 3.15 and a specific gravity of 1.08.

Functions: Emulsifier, Extreme Pressure Additive, Wetting Agent

Chemical Family: Organophosphates, Phosphate Esters, Phosphorous-based Compounds

End Uses: Industrial Lubricants, Metalworking Fluids

Technical Data Sheet

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Identification & Functionality

CAS No.
68607-14-7

Applications & Uses

Markets
Applications

Chemfac NB-159 is used to enhance lubricity and emulsification attributes in metalworking formulations. This product also provides mild extreme pressure properties to these same systems. Detergency and wetting properties of hard surface cleaners are also improved by the addition of this product

Properties

Physical Form
Appearance
Clear Amber Liquid at 20°C
Typical Properties
ValueUnitsTest Method / Conditions
Color (Gardner)max. 5.0
Aqueous SolubilitySoluble
Specific Gravity at 25°C.1.08
Acid Value (to pH 9.5)160 – 177
Acidity2.85 – 3.15
Pounds Per Gallon8.99
Phosphorus4%
Acid Value (to pH 5.5)80 – 88.5