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1 616 037

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A1

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Application

4665779/26, 1989-01-16

(22)

Actual filing date

1989-01-16

(45)

Published

1996-01-27

(72)

Inventor

Ivanov B.E.Krokhina S.S.Fridland N.S.Platova E.V.Badeeva E.K.Loskutov L.G.Kljuev B.L.Mitrokhin A.M.Beskopyl'Nyj A.M.Kalashnikov I.V.

METHOD OF SODIUM HYPOPHOSPHITE PRODUCING Russian patent published in 1996 - IPC

Abstract SU 1616037 A1

FIELD: chemistry of inorganic compounds. SUBSTANCE: synthesis is carried out by interaction of elemental (white) phosphorus with β--hydroxyethyltrimethylammonium hydroxide and water at the mole ratio of reagents P4:[(CH3)NCH2CH2OH]OH:H2O]= = (1:5)-6.5:8-30 in solvent medium at 40-80 C followed by treatment of reaction mass with equimole quantity of sodium hydroxide and recovery to the cycle with phosphorus and the second reaction product formed - β--hydroxyethyltrimethylammonium hydroxide. Yield of sodium hypophosphite is 74-84,7% (as measured for phosphorus taken), IRS cm-1: 1210 (R=C), 2310, 2360 (P-H), NMR31P:δ , = 8 million part, 1 P-H 540 Hz (1-2-1). EFFECT: ecologically safe method. 3 cl

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SU 1 616 037 A1

Authors

Ivanov B.E.

Krokhina S.S.

Fridland N.S.

Platova E.V.

Badeeva E.K.

Loskutov L.G.

Kljuev B.L.

Mitrokhin A.M.

Beskopyl'Nyj A.M.

Kalashnikov I.V.

Dates

1996-01-27—Published

1989-01-16—Filed

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