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94046

Sigma-Aldrich

Sodium phosphate dibasic solution

BioUltra, 0.5 M in H2O

Synonym(s):
Disodium hydrogen phosphate solution, di-Sodium hydrogen phosphate solution
Linear Formula:
Na2HPO4
CAS Number:
Molecular Weight:
141.96
MDL number:
eCl@ss:
38070211
PubChem Substance ID:
NACRES:
NA.25

product line

BioUltra

Quality Level

form

liquid

concentration

0.5 M in H2O

impurities

insoluble matter, passes filter test
≤0.001% total nitrogen (N)

pH

8.8-9.4 (25 °C, 0.5 M in H2O)

solubility

H2O: 0.5 M at 20 °C, clear, colorless

density

1.064 g/mL at 20 °C

anion traces

chloride (Cl-): ≤10 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

Al: ≤1 mg/kg
As: ≤0.1 mg/kg
Ba: ≤1 mg/kg
Bi: ≤1 mg/kg
Ca: ≤5 mg/kg
Cd: ≤1 mg/kg
Co: ≤1 mg/kg
Cr: ≤1 mg/kg
Cu: ≤1 mg/kg
Fe: ≤1 mg/kg
K: ≤20 mg/kg
Li: ≤1 mg/kg
Mg: ≤1 mg/kg
Mn: ≤1 mg/kg
Mo: ≤1 mg/kg
Ni: ≤1 mg/kg
Sr: ≤1 mg/kg
Zn: ≤1 mg/kg

λ

0.5 M in H2O

UV absorption

λ: 260 nm Amax: 0.019
λ: 280 nm Amax: 0.016

application(s)

diagnostic assay manufacturing

SMILES string

[Na+].[Na+].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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Related Categories

Application

Sodium phosphate dibasic solution may be used in the preparation of a wide variety of phosphate based biological buffers for use in cell and molecular biology application.

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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