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Sigma-Aldrich

Sodium hypophosphite monohydrate

puriss. p.a., reag. Ph. Eur., ≥99%

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About This Item

Linear Formula:
NaH2PO2 · H2O
CAS Number:
10039-56-2
Molecular Weight:
105.99
EC Number:
231-669-9
MDL number:
MFCD06252379
UNSPSC Code:
12352106
PubChem Substance ID:
329753497
NACRES:
NA.21

agency

USP/NF
reag. Ph. Eur.

grade

puriss. p.a.

assay

≥99%

form

powder or crystals

impurities

≤0.001% ammonium (NH4)

pH

6-8 (20 °C, 5%)

anion traces

chloride (Cl-): ≤50 mg/kg
phosphate, phosphite (as PO43-): ≤5000 mg/kg
sulfate (SO42-): ≤100 mg/kg

cation traces

As: ≤1 mg/kg
Ba: ≤50 mg/kg
Ca: ≤200 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
Mg: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

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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Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Mild hydrogen-transfer reductions using sodium hypophosphite.
Boyer SK, et al.
The Journal of Organic Chemistry, 50(18), 3408-3411 (1985)
Jianfeng Y, et al.
Journal of Materials Chemistry, 21(40), 15981-15986 (2011)
Mohammad H Eskandari et al.
Food science & nutrition, 1(5), 392-401 (2014-05-08)
Nitrite-free and low-nitrite meat-curing systems were developed to eliminate or reduce nitrite in frankfurter-type sausages. Different composite meat-curing mixtures were formulated using cochineal and paprika as natural colorants, sodium hypophosphite (SHP) as antimicrobial agent, butylated hydroxyanisole (BHA) as antioxidant and
R Wadhwa et al.
Gerontology, 35(1), 14-18 (1989-01-01)
Addition of antioxidant, sodium hypophosphite (SHP; 1 mM), to the diet of Zaprionus paravittiger (Diptera) results in depressed ATPase activity in both the sexes in comparison to the normal group. However, the rate of age-related decline in ATPase activity is
K Polakova et al.
Molecular immunology, 30(14), 1223-1230 (1993-10-01)
Beta 2-Microglobulin (beta 2 m) dissociated from surface HLA class I complex following exposure of cells to low pH and was detected in supernatant by radioimmunoprecipitation with specific monoclonal antibodies (mAbs). As the concn of beta 2m in supernatant increased
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