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S9763 Sigma-Aldrich

Sodium phosphate dibasic

ACS reagent, ≥99.0%

Synonym: sec-Sodium phosphate, Disodium hydrogen phosphate, Disodium phosphate, Sodium hydrogenphosphate

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Properties

Related Categories ACS Grade Buffers, Biochemicals and Reagents, Biological Buffers, Buffers A to Z, Capillary Electrophoresis,
Quality Level   200
grade   ACS reagent
assay   ≥99.0%
impurities   ≤0.002% Chloride (Cl)
  ≤0.01% Insoluble matter
loss   ≤0.2% loss on drying, 105°C
pH   8.7-9.3 (25 °C, 5% in solution)
pKa (25 °C)   (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
anion traces   sulfate (SO42-): ≤0.005%
cation traces   Fe: ≤0.002%
  heavy metals: ≤0.001% (by ICP-OES)
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

Description

Packaging

1, 2.5 kg in poly bottle

100, 500 g in poly bottle

5, 12 kg in poly drum

Other Notes

Go to Redi-Dri Product Listing 795410

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Safety & Documentation

Safety Information

WGK Germany 
WGK 1
RTECS 
WC4500000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Single- & multi-channel pipettes from BRAND
Protocols & Articles

Articles

Isoelectric Focusing (IEF)

Isoelectric focusing (IEF) is a powerful analytical tool for the separation of proteins. In order to ensure the high performance of analysis, isoelectric point (pI) standards are needed. In addition ...
Monika Baeumle
BioFiles 2009, 4.1, 14.
Keywords: Absorption, Capillary electrophoresis, Electrophoresis, Gel electrophoresis, Immobilization, Isoelectric focusing, Separation

Protocols

Enzymatic Assay of Alcohol Dehydrogenase (EC 1.1.1.1)

This procedure may be used for Alcohol Dehydrogenase products, except for insoluble forms of Alcohol Dehydrogenase (Catalog No. A2529).
Keywords: Extinction coefficient

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BioUltra Biological Buffers

A buffer, as defined by Van Slyke [1], is "a substance which by its presence in solution increases the amount of acid or alkali that must be added to cause unit change in pH". Buffers are thus very i...
Keywords: Absorption, Adsorption, Biochemistry, Biological Buffers, Biological processes, Buffers, PAGE

Peer-Reviewed Papers
15

References

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