1-Hydroxy Ethylidene-1,1-Diphosphonic Acid(HEDP) - [ Sell Product ]

Place of Origin : Zhangzhou,China
Post Date : 28-05-2014
Expiry Date : 08-09-2015

Trade Description

1-Hydroxy Ethylidene-1,1-Diphosphonic Acid(HEDP)
CAS No.:2809-21-4
Molecular Formula: C2H8O7P2
Molecular Weight:206.02
Production:500MT/month
Main Specification :50% Liquid M:liquid 60 % And Powder 90%

60% Liquid
Active Content (HEDP)% ：60%min
Phosphorous Acid (as PO33-)% ：2.0 Max
Phosphoric Acid? (asPO43- )% ：0.6 Max
Chloride (as Cl-)% ：0.01 Max
PH (1% Solution)：2 Max
Density (20oC)g/cm3：1.440min
Fe (ion) Ppm：10 Max
Sequestrant Value(CaCO3)mg/g：500min
Colour APHA (Hazen)：50max

90% Powder:
Active Content (HEDP)%:90.0 Min
Phosphorous Acid (as PO33-)%:0.5 Max
Phosphoric Acid? (asPO43- )%:0.3 Max
Chloride (as Cl-)%:0.05 Max
PH (1% Solution):2 Max
Density(20oC)g/cm3:-
Sequestrant Value(CaCO3)mg/g:-
Fe (ion) Ppm:20 Max
Colour APHA (Hazen):
Active Content (HEDP.H2O)%:98%min
1)HEDP Is An Organophosphoric Acid Corrosion Inhibitor. It Can Chelate With Fe, Cu, And Zn Ions To Form Stable Chelating Compounds.It Can Dissolve The Oxidized Materials On These Metal Surfaces.