Hydroxyethylamino-di(methylene phosphoric acid) (HEMPA)

CAS No. 5995-42-6                                Molecular weight: 249

Structural Formula:

 

Properties:

HEMPA is an organophophoric 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 sytems 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.

Specification:

Items Index Index
Appearance Colorless to light yellow transparent liquid Colorless to light yellow transparent liquid
Active content % 50.0% min 60.0 min
pH (1% solution) 2.0 max 2.0 max
Chloride (as Cl-)% 5.0 max 5.0 max
Fe,mg/L 20.0 max 20 max
Density (20℃) g/cm3 1.20 min 1.30 min

Usage:

HEMPA is usually used together with other organophosphoric 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.

Synonyms:

Ethanolamine bis(methylenephosphonic acid); EABMP Acid