PRODUCT DESCRIPTION
PRODUCT
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid
CAS #
2809-21-4
SYNONYM
HEDP; Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-; Phosphonic acid, (1-hydroxyethylidene)bis-
FORMULA
C2H8O7P2
PRODUCT TYPE
Organic
TYPICAL PRODUCT SPECIFICATIONS
APPEARANCE
Colorless or light yellow transparent liquid
ACTIVE CONTENT
58.0 - 62.0%
PHOSPHOROUS ACID
<= 2.0%
PHOSPHORIC ACID
<= 0.8%
CHLORIDE
<= 0.01%
PH
<= 2 (1% solution)
DENSITY @ 20C
1.40 g/cm^3
FE ION
<= 10 ppm
COLOR (APHA)
<= 40 HU
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
FUNCTIONS
INDUSTRY
Water Treatment, Anti-Corrosives, Organics, Detergent
DETERGENT ENCYCLOPEDIAS
E - BOOKS HARD BOOKS
HOW TO BUY
SOLVERCHEM PUBLICATIONS
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