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HEDP Na 2 can form six-ring chelating compounds with metal ions in the water system, Ca 2+ in particular. HEDP disodium has good scale inhibition effects and obvious dissolution threshold effects. When used with other water treatment agents, the synergistic effects are better. CAS No.: 7414-83-7. Molecular Formula: C 2 H 6 O 7 P 2 Na 2. Molecular Weight: 250
HEDP Na 4 is the tetrasodium salt of HEDP. This HEDP tetrasodium salt is a good scale inhibitor for calcium carbonate. It can be used in a low-pressure boiler water system, circulating water system, industrial and municipal cleaning water system and swimming pool. The solid HEDP Na 4 is a white powder.
