MilliporeSigma
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567547

Millipore

Sodium Phosphate, Dibasic, Molecular Biology Grade - CAS 7558-79-4 - Calbiochem

Useful in conjunction with Sodium Phosphate, Monobasic in the preparation of biological buffers.

Synonym(s):
Na₂HPO₄, Sodium hydrogenphosphate, Disodium phosphate, Disodium hydrogen phosphate, Sodium phosphate dibasic, sec-Sodium phosphate
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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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.

Packaging

1 kg in Glass bottle
250 g in Plastic ampoule

Warning

Toxicity: Irritant (B)

Legal Information

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

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Quality

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