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71649

Sigma-Aldrich

Sodium phosphate dibasic dodecahydrate

BioXtra, ≥99.0% (T)

Synonym(s):

sec-Sodium phosphate, Disodium hydrogen phosphate dodecahydrate, Disodium phosphate, di-Sodium hydrogen phosphate dodecahydrate

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About This Item

Linear Formula:
Na2HPO4 · 12H2O
CAS Number:
10039-32-4
Molecular Weight:
358.14
EC Number:
231-448-7
MDL number:
MFCD00149181
UNSPSC Code:
12161700
PubChem Substance ID:
57652330
NACRES:
NA.25

product line

BioXtra

assay

≥99.0% (T)

form

crystals

impurities

insoluble matter, passes filter test

pH

8.8-9.4 (25 °C, 0.1 M in H2O)

solubility

H2O: 0.1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤5 mg/kg
fluoride (F-): ≤5 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg
As: ≤0.5 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

0.1 M in H2O

UV absorption

λ: 260 nm Amax: 0.01
λ: 280 nm Amax: 0.01

application(s)

histology

SMILES string

O.O.O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].OP([O-])([O-])=O

InChI

1S/2Na.H3O4P.12H2O/c;;1-5(2,3)4;;;;;;;;;;;;/h;;(H3,1,2,3,4);12*1H2/q2*+1;;;;;;;;;;;;;/p-2

InChI key

DGLRDKLJZLEJCY-UHFFFAOYSA-L

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Application

Sodium phosphate dibasic dodecahydrate has been used in external calibration to quantify phytic acid in Great Northern beans (GNB) flour and extrudates. It has also been used in the preparation of phosphate buffer.

Other Notes

For enzymatic and histochemical studies

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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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Stéphanie Devineau et al.
Langmuir : the ACS journal of surfaces and colloids, 29(44), 13465-13472 (2013-10-03)
If protein structure and function changes upon adsorption are well documented, modification of adsorbed protein dynamics remains a blind spot, despite its importance in biological processes. The adsorption of metmyoglobin on a silica surface was studied by isotherm measurements, microcalorimetry
G. Gomori
Methods in Enzymology, 1, 143-143 (1955)
Paridhi Gulati et al.
Food chemistry, 269, 118-124 (2018-08-14)
Great Northern beans (GNB) contain appreciable magnesium (Mg), potassium (K), phosphorus (P), and iron (Fe), together with the heat-labile vitamin, folate, and the anti-nutritional compound phytate. Thus, the objective was to increase dialyzability of essential mineral elements while degrading phytate
Higson, S.P.J. et al.
Electroanalysis, 6, 431-431 (1994)
Matthew R Weir et al.
Journal of clinical hypertension (Greenwich, Conn.), 16(12), 875-882 (2014-10-21)
The effects of canagliflozin, a sodium glucose co-transporter 2 inhibitor, on blood pressure (BP) and osmotic diuresis- and intravascular volume reduction-related adverse events (AEs) were evaluated using pooled data from four placebo-controlled, phase 3 studies in patients with type 2
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