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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

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About This Item

Linear Formula:
Na2HPO4
CAS Number:
7558-79-4
Molecular Weight:
141.96
MDL number:
MFCD00003496
UNSPSC Code:
12161700
eCl@ss:
38070211
PubChem Substance ID:
57653505
NACRES:
NA.25

product line

BioUltra

Quality Level

100

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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Application

Sodium phosphate dibasic solution has been used:
  • to supplement Dulbecco′s Modified Eagle Medium (DMEM) in calcifying medium to induce the calcification of vascular smooth muscle cells (VSMCs)
  • to prepare a stock solution of CaCl2 and MgCl2 to synthesize calcium phosphate (CPB) and magnesium phosphate bions (MPBs) respectively
  • to supplement 2xYT agar plates to culture BL21 DE3 star cells and BL21dLac Gold cells

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

10 - 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

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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Daria Shishkova et al.
International journal of molecular sciences, 21(22) (2020-11-26)
Calciprotein particles (CPPs), which increasingly arise in the circulation during the disorders of mineral homeostasis, represent a double-edged sword protecting the human organism from extraskeletal calcification but potentially causing endothelial dysfunction. Existing models, however, failed to demonstrate the detrimental action
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Journal of proteome research, 14(1), 120-132 (2014-10-21)
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Molecular human reproduction, 21(5), 424-434 (2015-03-04)
The rate of obesity among men of reproductive age has tripled in the last three decades. Previously, we demonstrated that paternal obesity resulted in impaired preimplantation developmental kinetics, compromised post-compaction metabolism and decreased blastocyst cell number when embryos were generated
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Human molecular genetics, 24(9), 2470-2481 (2015-01-22)
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Disease models & mechanisms, 7(2), 299-309 (2014-04-10)
The skeleton is a preferred homing site for breast cancer metastasis. To date, treatment options for patients with bone metastases are mostly palliative and the disease is still incurable. Indeed, key mechanisms involved in breast cancer osteotropism are still only
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Protocols

Enzymatic Assay of Hyaluronidase (3.2.1.35)

To measure hyaluronidase activity, a turbidimetric determination assay is used at 600 nm. One unit of hyaluronidase activity will cause a change in absorbance of 0.330 per minute at pH 5.35 at 37 °C.

Enzymatic Assay of Alcohol Dehydrogenase (EC 1.1.1.1)

To measure alcohol dehydrogenase activity, this assay uses β-nicotinamide adenine dinucleotide phosphate and a continuous spectrophotometric rate determination at 340 nm.

Enzymatic Assay of Hyaluronidase (3.2.1.35)

To measure hyaluronidase activity, a turbidimetric determination assay is used at 600 nm. One unit of hyaluronidase activity will cause a change in absorbance of 0.330 per minute at pH 5.35 at 37 °C.

Enzymatic Assay of Hyaluronidase (3.2.1.35)

To measure hyaluronidase activity, a turbidimetric determination assay is used at 600 nm. One unit of hyaluronidase activity will cause a change in absorbance of 0.330 per minute at pH 5.35 at 37 °C.

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