HEMPA is an organophosphonic acid, which exhibits excellent chelation, scale inhibition and corrosion inhibition. It is mainly used in oilfield, detergent / soap and metal treatment etc., especially useful in the water systems with high level of dissolved iron and calcium. It is also compatible with methanol/water solution. When built together with other water treatment chemicals, it shows good synergistic effects.


Item Index
Appearance Colorless to light yellow transparent liquid
Active content % 58.0-62.0
Chloride (as Cl-)% 5.0 max
Density (20℃) g/cm3 1.25-1.35
pH (1% water solution) 2.0 max

HEMPA is usually used together with other organophosphonic acid, polycarboxylic acid and salt in different areas.

Package and Storage:
250kg/drum; 1250kg/IBC; or customers’ requirement. Storage for ten months in shady room and dry place.

Safety Protection:
Avoid contact with eye and skin. Goggles and rubber gloves should be used at all times while handling the product.

Ethanolamine bis(methylenephosphonic acid); EABMP Acid