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Sodium phosphate dibasic dihydrate

meets analytical specification of Ph. Eur., BP, 98.5-101% (calc. to the dried substance)

Disodium hydrogen phosphate dihydrate, di-Sodium hydrogen phosphate dihydrate, Disodium phosphate, sec-Sodium phosphate
Fórmula lineal:
Na2HPO4 · 2H2O
Número de CAS:
Peso molecular:
EC Number:
MDL number:
PubChem Substance ID:

Quality Level


meets analytical specifications of BP
meets analytical specifications of Ph. Eur.


98.5-101% (calc. to the dried substance)




meets analytical specification of Ph. Eur., BP


reducing matter, complies
residual solvents, complies
≤0.001% heavy metals (as Pb)
≤1% NaH2PO4 (calc. to dried subst.)


19.5-21% loss on drying, 130 °C


9.0-9.4 (20 °C, 1%)

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤100 mg/kg

cation traces

As: ≤2 mg/kg
Fe: ≤10 mg/kg


complies for appearance of solution

SMILES string




InChI key


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Sodium phosphate dibasic dihydrate has been used for isolating DNA and RNA from bacterial samples of human gastrointestinal (GI) tract.

Biochem/physiol Actions

Sodium phosphate dibasic dehydrate is an important component of running buffer of denaturing gel electrophoresis.

Storage Class Code

13 - Non Combustible Solids

WGK Germany


Flash Point F

Not applicable

Flash Point C

Not applicable

Certificado de Análisis

Certificado de origen

Erwin G Zoetendal et al.
Nature protocols, 1(2), 870-873 (2007-04-05)
The human gastrointestinal (GI) tract contains a complex microbial community that develops in time and space. The most widely used approaches to study microbial diversity and activity are all based on the analysis of nucleic acids, DNA, rRNA and mRNA....
Erwin G Zoetendal et al.
Nature protocols, 1(2), 954-959 (2007-04-05)
The human gastrointestinal (GI) tract contains a complex microbial community that consists of numerous uncultured microbes. Therefore, nucleic-acid-based approaches have been introduced to study microbial diversity and activity, and these depend on the proper isolation of DNA, rRNA and mRNA....
Sohini Mukherjee et al.
Nature communications, 6, 8467-8467 (2015-10-13)
Creating an artificial functional mimic of the mitochondrial enzyme cytochrome c oxidase (CcO) has been a long-term goal of the scientific community as such a mimic will not only add to our fundamental understanding of how CcO works but may...
Patrizia Iavicoli et al.
Journal of chromatography. A, 1422, 260-269 (2015-10-27)
Asymmetric Flow Field-Flow Fractionation (AF4) combined with multidetector analysis form a promising technique in the field of nanoparticle characterization. This system is able to measure the dimensions and physicochemical properties of nanoparticles with unprecedented accuracy and precision. Here, for the...
Christopher Polonyi et al.
Dalton transactions (Cambridge, England : 2003), 43(31), 11941-11949 (2014-06-27)
The ability of the anticancer active drug cisplatin to exert biological activity through interference with nucleic acid function is well documented. Since kinetics play a key role in determining product distributions in these systems, methods for accurate documentation of reactivity...

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