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Henan Qingshuiyuan Technology CO.,LTD

China Manufacturer with main products: HEDP, ATMP, DTPMP, BHMTPMPA, PBTC, EDTMPA, HMDTMPA, HPMA

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Payment Terms: L/C, T/T(Bank Transfer)

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Place of Origin: Henan in China
Packaging Details: drum;ibc;


Chemical Name: Sodium salt of 1-Hydroxyethylene -1, 1,-diphosphonic acid
Abbreviation: HEDP.Na4 CAS Number: 3794-83-0
Molecular Formula: C2H4O7P2Na4
Molecular Weight: 294
Application Notes: The sodium salt of HEDP is noted for its excellent CaCO3 scale inhibition and chlorine stability is based on hydroxyl ethylidene (1, 1-diphosphonic acid) and is approved for applications in which boiler steam comes in contact with food.
Recommended Uses: Noted for its excellent CaCO3 scale inhibition and good chlorine stability in water treatment. Some recommended uses are for cooling water treatment, boiler treatment, I & I Cleaners, swimming pool, stain prevention, metal ion control.
Water white to pale yellow liquid
Active Acid (%)
20.3 - 21.7
Active Salt (%)
29.0 - 31.0
pH (as is) @ 25°C
10.0 - 12.0
Phosphorous acid as PO33- (%)
1.5 max
Iron, as Fe (ppm)
20.0 max
Specific Gravity at 20/20°C
1.310 min

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