Method to improve yields of sodium hypophosphite

Details Method to improve yields of sodium hypophosphite Method to improve yields of sodium hypophosphite

1984-01-13

1985-06-04

Heller, Gregory A.

Chemistry of inorganic compounds

Phosphorus or compound thereof

Oxygen containing

C01B 1516, C01B 2526

Patent

active

045213917

ABSTRACT:
A process of producing sodium hypophosphite (NaH.sub.2 PO.sub.2) is disclosed wherein the yield of the product is increased. The process comprising reacting phosphorus, sodium hydroxide, calcium hydroxide and water wherein the H.sub.2 O/P.sub.4 ratio is increased from about 35 to from about 38 to about 60.

REFERENCES:
patent: 2036760 (1936-04-01), Knox
patent: 2938770 (1960-05-01), Pahud
patent: 2976117 (1961-03-01), Pahud
patent: 2977192 (1961-03-01), Cummins
patent: 3052519 (1962-09-01), Bianchi et al.

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