1-Hydroxy Ethylidene-1,1-Diphosphonic Acid
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Product Description
Product
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid
CAS
2809-21-4
Formula
C2H8O7P2
Synonym
HEDP; Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-; Phosphonic acid, (1-hydroxyethylidene)bis-
Typical Product Specifications
Density @ 20C
1.40 g/cm^3
Appearance
Colorless or light yellow transparent liquid
Active Content
58.0 - 62.0%
Chloride
<= 0.01%
Color (APHA)
<= 40 HU
pH
<= 2 (1% solution)
Phosphorous Acid
<= 2.0%
Fe ion
<= 10 ppm
Phosphoric Acid
<= 0.8%
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
Industry
Functions
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid
Product Description
Product
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid
CAS
2809-21-4
Formula
C2H8O7P2
Synonym
HEDP; Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-; Phosphonic acid, (1-hydroxyethylidene)bis-
Typical Product Specifications
Density @ 20C
1.40 g/cm^3
Appearance
Colorless or light yellow transparent liquid
Active Content
58.0 - 62.0%
Chloride
<= 0.01%
Color (APHA)
<= 40 HU
pH
<= 2 (1% solution)
Phosphorous Acid
<= 2.0%
Fe ion
<= 10 ppm
Phosphoric Acid
<= 0.8%
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
Industry
Functions
