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S5012

Sigma-Aldrich

Sodium hypophosphite monohydrate

≥99%

Synonym(s):

Sodium hypophosphite 1-hydrate, Sodiumphosphinite

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About This Item

Linear Formula:
NaH2PO2 · H2O
CAS Number:
Molecular Weight:
105.99
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥99%

form

powder, crystals or chunks

solubility

water: 100 mg/mL, clear, colorless

SMILES string

O.[Na+].[O-][PH2]=O

InChI

1S/Na.H3O2P.H2O/c;1-3-2;/h;3H2,(H,1,2);1H2/q+1;;/p-1

InChI key

PLZNPHDJGFDNRM-UHFFFAOYSA-M

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Application

Sodium hypophosphite monohydrate can be used as a:
  • Reducing agent in the synthesis of nickel nanoparticles (NiNP) from nickel acetate tetrahydrate under microwave irradiation.
  • Hydrogen donor in the enantioselective transfer hydrogenation of aliphatic and aromatic ketones to corresponding alcohols in presence of ruthenium catalyst.
  • Catalyst in esterification of spent grain to improve heavy metal ions adsorption capacity using N,N-dimethylformamide (DMF) as a solvent.

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Fast esterification of spent grain for enhanced heavy metal ions adsorption.
Li Q, et al.
Bioresource Technology, 101(10), 3796-3799 (2010)
Microwave assisted greener synthesis of nickel nanoparticles using sodium hypophosphite.
Eluri R and Paul B
Materials Letters, 76, 36-39 (2012)
Biphasic Glycerol/2-MeTHF, Ruthenium-Catalysed Enantioselective Transfer Hydrogenation of Ketones Using Sodium Hypophosphite as Hydrogen Donor.
Guyon C, et al.
European Journal of Organic Chemistry, 2013(24), 5439-5444 (2013)
Efficient large-scale radical deoxygenation in alcoholic solvents using sodium hypophosphite and a phase-transfer agent: application to erythromycins.
A E Graham et al.
The Journal of organic chemistry, 65(8), 2583-2585 (2000-05-02)
Sonia Gouault-Bironneau et al.
Organic letters, 7(26), 5909-5912 (2005-12-16)
[reaction: see text] The room-temperature radical addition of sodium hypophosphite to terminal alkynes produces the previously unknown 1-alkyl-1,1-bis-H-phosphinates in moderate yield. The reaction is initiated by R3B and air and proceeds under mild conditions in an open container. The bissodium

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