S3147 Sigma

5-Sulfosalicylic acid dihydrate

for electrophoresis, ≥99%

DOWNLOAD MSDS (PDF)

Synonym: 2-Hydroxy-5-sulfobenzoic acid

Properties

Related Categories Biochemicals and Reagents, Chelators, Protein Electrophoresis, Proteomics, Reducing Agents,
grade   for electrophoresis
assay   ≥99%
impurities   ≤0.02% Insoluble matter
  ≤0.05% Salicylic Acid
mp   105-110 °C(lit.)
anion traces   chloride (Cl-): ≤0.001%
  sulfate (SO42-): ≤0.02%
cation traces   Fe: ≤0.001%
  heavy metals (as Pb): ≤0.002%

Description

Analysis Note

Tested for use in fixing solutions for PAGE, SDS-PAGE and IEF.

Application

5-Sulfosalicylic acid (3.5%) in 12% trichloroacetic acid is commonly used as a fixing solution for proteins in agarose and polyacrylamide gels.

Price and Availability

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