Molecular Formula: C2H8O7P2
CAS No.: 2809-21-4
Alias: HEDPA
Molecular Formula: C2H8O7P2
Molecular Weight: 206.02
Structural Formula:

1-Hydroxyethylidene-1 1-Diphosphonic Acid HEDP Organophosphorus CAS 2809-21-4

Properties & Use

It is an organic phosphoric acid series antiincrustation corrosion inhibitor. It has good stability in high pH-value conditions; has good resistance to acids/alkali and oxidation.
HEDP is widely used for electrical power, chemical engineering, metallurgy and chemical fertilizer industries.

Applications:

items	index
Appearance	Clear, Colorless to pale yellow aqueous solution
Active content (HEDP)%	58.0-62.0
Phosphorous acid (as PO33-)%	1.0 max
Phosphoric acid (asPO43- )%	0.8 max
Chloride (as Cl-) ppm	100.0 max
pH (1% solution)	2.0 max
Density (20)g/cm3	1.43-1.47
Fe,mg/L	10.0 max
Colour APHA (Hazen)	30.0 max
Acetic acid %	0.5 max	Contact Infomation Send Inquiry Company name:ChangZhou New Future Chemical Co.,Ltd Status:[Offline] [Send message] [Chat] Business contact:Fred Yu (Ms.) Telphone: Mobile: Fax: Area: Caribbean Region-Bermuda Address:JinFeng Industry Park, Hengshanqiao Town, WuJin district, Ch Zip:213000