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S3397 Sigma-Aldrich

Sodium phosphate dibasic

for electrophoresis, ≥99%

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

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Properties

grade   for electrophoresis
InChI Key   BNIILDVGGAEEIG-UHFFFAOYSA-L
assay   ≥99%
impurities   ≤0.01% Insoluble matter
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   chloride (Cl-): ≤0.002%
  sulfate (SO42-): ≤0.005%
cation traces   Fe: ≤0.002%
  heavy metals (as Pb): ≤0.001%
suitability   suitable for electrophoresis buffers for the Weber and Osborn system
Safety & Documentation

Safety Information

RIDADR 
UN 3077 9 / PGIII
WGK Germany 
1
RTECS 
WC4500000

Documents

Certificate of Analysis

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Certificate of Origin

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Protocols & Articles

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Peer-Reviewed Papers
15

References

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