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