1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (Powder)
Quantity
Unit
CAS #
2809-21-4
PRODUCT
SYNONYM
HEDP; Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-; Phosphonic acid, (1-hydroxyethylidene)bis-
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FORMULA
C2H8O7P2
PRODUCT TYPE
Organic
APPEARANCE
White Crystal Powder
ACTIVE CONTENT
>= 89.0%
PHOSPHOROUS ACID
<= 0.5%
PHOSPHORIC ACID
CHLORIDE
<= 0.01%
PH
<= 2 (1% solution)
FE ION
<= 20 ppm
MOLECULAR WEIGHT
206.03
NOTES
HEDP is primarily used in scale and corrosion inhibition in a variety of industries. It can also be used as a chelating agent, in detergents for metals and nonmetals, and in dye-fixing agents.
Use: CHELATING
CLASS
Corrosion Inhibitors, Water Treatment Chemicals, Scale Inhibitors
FUNCTIONS
Anti-Corrosive, Scale Inhibitor
INDUSTRY
Water Treatment, Anti-Corrosives, Organics, Detergent
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