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243663

Sigma-Aldrich

Sodium hypophosphite hydrate

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About This Item

Linear Formula:
NaH2PO2 · xH2O
CAS Number:
Molecular Weight:
87.98 (anhydrous basis)
EC Number:
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
NACRES:
NA.55

Assay

~95% (NaH2PO2)

Quality Level

form

powder, crystals or chunks

SMILES string

O.[Na+].OP[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 hydrate can be used as:
  • A radical precursor to synthesize mono alkyl phosphinic acids via radical reaction with alkenes in the presence of Et3B as the initiator.
  • A reagent for the reduction of the diazonium salt.
  • A hydrogen donor in the transfer-hydrogenation reactions.
  • A catalyst in the esterification reaction.

It can also be used to compose the finishing solutions for the immobilization of photo-initiator (benzophenone ) onto cotton fabrics.
Sodium hypophosphite hydrate is widely used as an esterification catalyst. It may be used to compose the finishing solutions for the incorporation of benzophenone (photoinitiator) onto cotton fabrics.

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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Photoactive antibacterial cotton fabrics treated by 3, 3', 4, 4'-benzophenonetetracarboxylic dianhydride.
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