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7803-65-8

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Basic Information
CAS No.: 7803-65-8
Name: Ammonium hypophosphite
Article Data: 11
Molecular Structure:
Molecular Structure of 7803-65-8 (Ammonium hypophosphite)
Formula: H3N.H3O2P
Molecular Weight: 83.0269
Synonyms: Ammonium phosphinate;Phosphinic acid, ammonium salt (8CI,9CI);
EINECS: 232-266-0
Density: 1.634 [CRC10]
Melting Point: 155-160 °C
Solubility: water: 1000 g/L
Appearance: white crystals
Hazard Symbols: IrritantXi
Risk Codes: 36/37/38
Safety: 26-36
PSA: 57.29000
LogP: -0.19660
Synthetic route

ammonium hydroxide

6303-21-5

hypophosphorous acid

7803-65-8

ammonium phosphinate

Conditions
ConditionsYield
In water 50% H3PO2 slowly added to 26% aq. ammonia; soln. evapd., residue dissolved in hot MeOH, cooled, ether added with stirring, after a few hours ppt. filtered off and washed with ether, driedunder vac.;82.3%

ammonium carbonate

barium hypophosphite

7803-65-8

ammonium phosphinate

Conditions
ConditionsYield
filtration, recrystn. from water or alc.;

ammonium carbonate

6303-21-5

hypophosphorous acid

7803-65-8

ammonium phosphinate

Conditions
ConditionsYield
filtration, recrystn. from water or alc.;

ammonium carbonate

7789-79-9

calcium bis(hypophosphite)

7803-65-8

ammonium phosphinate

Conditions
ConditionsYield
filtration, recrystn. from water or alc.;

ammonium sulfate

barium hypophosphite

7803-65-8

ammonium phosphinate

12185-10-3

phosphorus

A

7803-65-8

ammonium phosphinate

B

7803-51-2

phosphan

Conditions
ConditionsYield
With ammonia In water reacting with aq. NH3 in H2 flow;
With NH3 In water reacting with aq. NH3 in H2 flow;

ammonium sulfate

7789-79-9

calcium bis(hypophosphite)

7803-65-8

ammonium phosphinate

7803-65-8

ammonium phosphinate

13446-12-3

ammonium dihydrogenphosphite

Conditions
ConditionsYield
In hydrogenchloride byproducts: ammonium phosphate; Electrochem. Process; electrochemical oxidn. of hypophosphite at temp. 35-70°C; detn dy titrn.;83%
7803-65-8

ammonium phosphinate

(Me4N)3{Ir(III)(trichlorostannide)5Cl}

2NH4(1+)*IrSn5(13+)*5H2PO2(1-)*5OH(1-)*5Cl(1-) = (NH4)2[IrSn5(H2PO2)5(OH)5Cl5]

Conditions
ConditionsYield
In water mixed, stirred for 30 min, pptd.; ppt. washed (alcohol, ether), elem. anal., IR, MOE;80%
7803-65-8

ammonium phosphinate

nickel(II) chloride hexahydrate

NH4(1+)*Ni(2+)*3H2PO2(1-)*H2O=NH4[Ni(H2PO2)3(H2O)]

Conditions
ConditionsYield
In methanol solns. of (NH4)H2PO2 and NiCl2 in CH3OH mixed, soln. allowed to evap. onair; green blocks firstly crystd. turn into yellow-green plates of desi red compd. after 1 week; crystals isolated and washed with EtOH and acetone; elem. anal.;78.2%
Raw Materials
12185-10-3
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Specification

The Ammonium hypophosphite, with the CAS registry number 7803-65-8, is also known as Ammonium phosphinate. Its EINECS registry number is 232-266-0. This chemical's molecular formula is H3N·H3O2P and molecular weight is 83.03. What's more, its systematic name is called Phosphinolate, 1-oxo-, ammonium salt (1:1). It is used to produce catalyst and used in pharmacy industry.

Physical properties about Ammonium hypophosphite are: (1)#H bond acceptors: 2; (2)#H bond donors: 1; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 71.44 Å2.

When you are dealing with this chemical, you should be very careful. This chemical is inflammation to the skin, eyes and respiratory system or other mucous membranes. Therefore, you should wear suitable protective clothing. In case of contacting with eyes, you should rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1) SMILES: [O-]P=O.[NH4+]
(2) InChI: InChI=1S/H3N.HO2P/c;1-3-2/h1H3;(H,1,2)
(3) InChIKey: AKYKNEHYFVLCTH-UHFFFAOYSA-N