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

Ammonium hypophosphite Synthetic route

: ammonium hydroxide

: 6303-21-5
hypophosphorous acid

: 7803-65-8
ammonium phosphinate

Conditions

Conditions	Yield
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

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

: ammonium carbonate

: 6303-21-5
hypophosphorous acid

: 7803-65-8
ammonium phosphinate

Conditions

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

: ammonium carbonate

: 7789-79-9
calcium bis(hypophosphite)

: 7803-65-8
ammonium phosphinate

Conditions

Conditions	Yield
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

Conditions	Yield
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

Conditions	Yield
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

Conditions	Yield
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

Conditions	Yield
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%

Ammonium hypophosphite 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