1-Hydroxy Ethylidene-1,1-Diphosphonic Acid Tetrasodium Salt
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Product Description
Product
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid Tetrasodium Salt
CAS
3794-83-0
Formula
C2H4O7P2Na4
Synonym
HEDP•Na4; Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-, sodium salt (1:4); Tetrasodium
(1-hydroxyethylidene)bisphosphonate
Typical Product Specifications
Appearance
Colorless to light yellow transparent liquid
Active Component (HEDP Na4)
29.0 - 31.0%
Phosphoric Acid
18.4 - 20.4%
Fe
<= 20 ppm
Density @ 20C
1.26 - 1.36 g/cm^3
pH
10.0 - 12.0 (as is)
Active Component (HEDP)
20.3 - 21.7%
Melting Point
-5 c
Molecular weight
293.96
Specific gravity
1.30-1.35
Notes
HEDP Na4 has a broad range of applications and is useful in very cold conditions. It can be used in oxide dissolving on metal surfaces and has good scale and corrosion inhibition effects under 250C.
Use: CHELATING, EMULSION STABILISING, VISCOSITY CONTROLLING
Class
Industry
Functions
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid Tetrasodium Salt
Product Description
Product
1-Hydroxy Ethylidene-1,1-Diphosphonic Acid Tetrasodium Salt
CAS
3794-83-0
Formula
C2H4O7P2Na4
Synonym
HEDP•Na4; Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-, sodium salt (1:4); Tetrasodium
(1-hydroxyethylidene)bisphosphonate
Typical Product Specifications
Appearance
Colorless to light yellow transparent liquid
Active Component (HEDP Na4)
29.0 - 31.0%
Phosphoric Acid
18.4 - 20.4%
Fe
<= 20 ppm
Density @ 20C
1.26 - 1.36 g/cm^3
pH
10.0 - 12.0 (as is)
Active Component (HEDP)
20.3 - 21.7%
Melting Point
-5 c
Molecular weight
293.96
Specific gravity
1.30-1.35
Notes
HEDP Na4 has a broad range of applications and is useful in very cold conditions. It can be used in oxide dissolving on metal surfaces and has good scale and corrosion inhibition effects under 250C.
Use: CHELATING, EMULSION STABILISING, VISCOSITY CONTROLLING
Class
Industry
Functions
