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567547

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Sodium phosphate dibasic

Molecular Biology Grade; Useful in conjunction with Sodium Phosphate, Monobasic in the preparation of biological buffers.

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Synonym(s):
Sodium phosphate dibasic, Na₂HPO₄, Sodium Phosphate, Dibasic, sec-Sodium phosphate, Disodium hydrogen phosphate, Disodium phosphate, Sodium hydrogenphosphate
Linear Formula:
Na2HPO4
CAS Number:
Molecular Weight:
141.96
MDL number:

Quality Level

assay

≥99% (titration)

form

solid

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze
desiccated (hygroscopic)

color

white

pKa (25 °C)

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

solubility

water: 10%

cation traces

heavy metals (as Pb): ≤0.001%

absorption

≤0.01 at 260 nm
≤0.01 at 280 nm

foreign activity

DNases, proteases, RNases, none detected

shipped in

ambient

storage temp.

10-30°C

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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1 of 4

This Item
71640S513671636
Sodium phosphate dibasic Molecular Biology Grade; Useful in conjunction with Sodium Phosphate, Monobasic in the preparation of biological buffers.

567547

Sodium phosphate dibasic

-
Sodium phosphate dibasic puriss. p.a., ACS reagent, anhydrous, ≥99.0% (T)

71640

Sodium phosphate dibasic

Essential Grade
Sodium phosphate dibasic BioReagent, suitable for cell culture, suitable for insect cell culture, ≥99.0%

S5136

Sodium phosphate dibasic

Essential+ Grade
Sodium phosphate dibasic BioUltra, for molecular biology, ≥99.5% (T)

71636

Sodium phosphate dibasic

Premium Grade
Quality Level

100

Quality Level

-

Quality Level

200

Quality Level

-

form

solid

form

powder (or crystals)

form

powder or crystals

form

coarse powder, fine crystals

storage temp.

10-30°C

storage temp.

-

storage temp.

room temp

storage temp.

-

storage condition

OK to freeze, desiccated (hygroscopic)

storage condition

-

storage condition

-

storage condition

-

solubility

water: 10%

solubility

-

solubility

water: soluble 100 mg/mL

solubility

H2O: 0.5 M at 20 °C, clear, colorless

General description

Molecular biology reagent (absorbance: ≤0.01 at 260 nm and 280 nm).
Useful in conjunction with Sodium Phosphate, Monobasic (Cat. No. 567545 or 567549) in the preparation of biological buffers.

Warning

Toxicity: Irritant (B)

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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