Merck
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S9763

Sigma-Aldrich

Sodium phosphate dibasic

ACS reagent, ≥99.0%

Synonym(s):
sec-Sodium phosphate, Disodium hydrogen phosphate, Disodium phosphate, Sodium hydrogenphosphate
Linear Formula:
Na2HPO4
CAS Number:
Molecular Weight:
141.96
Número de EC:
Número MDL:
eCl@ss:
38070211
ID de la sustancia en PubChem:
NACRES:
NA.21

grado

ACS reagent

Nivel de calidad

200

ensayo

≥99.0%

formulario

powder

impurezas

≤0.002% Chloride (Cl)
≤0.01% Insoluble matter

pérdida

≤0.2% loss on drying, 105°C

pH

8.7-9.3 (25 °C, 5% in solution)

pKa (25 °C)

(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)

solubilidad

water: 5% at 25 °C, clear

trazas de anión

sulfate (SO42-): ≤0.005%

trazas de catión

Fe: ≤0.002%
heavy metals: ≤0.001% (by ICP-OES)

SMILES string

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

InChI

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

InChI key

BNIILDVGGAEEIG-UHFFFAOYSA-L

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Descripción general

Sodium phosphate dibasic in combination with sodium phosphate monobasic is used in the preparation of oral sodium phosphate solution (OSPS), which is a purgative used for bowel cleansing before colonoscopy.

Aplicación

Sodium phosphate dibasic has been used in:
  • the preparation of phosphate buffer saline solution for perfusion procedure
  • western blot
  • indirect enzyme linked immunosorbent assay

Envase

100, 500 g in poly bottle
1, 2.5 kg in poly bottle
5, 12 kg in poly drum

Información legal

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Código de clase de almacenamiento

13 - Non Combustible Solids

WGK

WGK 1

Punto de inflamabilidad F

Not applicable

Punto de inflamabilidad C

Not applicable

Certificate of Analysis

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Certificate of Origin

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