5-Sulfosalicilic acid Dihydrate

RT

254, 21

White crystalline powder

Used in detection of iron and as a spray reagent to detect amino acids on TLC plate. Poly-functional metal chelating ligand that may be used to form metal coordination complexes. Reducing and fixation of proteins in agarose and polyacrylamide gels.

Synonyms:
2-Hydroxy-5-sulfobenzoic acid

CAS Number:
5965-83-3

Molecular Formula:
C₇H₁₀O₈S

Molecular Weight:
254.21

Appearance
White crystalline powder

Purity:
≥99%

Melting Point
~120°C (anhy)

Heavy Metals:
≤0.002% (as Pb)

Chloride (Cl-):
≤0.001%

Sulfate (SO42-):
≤0.02%

Iron (Fe):
≤0.001%

Insoluble Material
≤0.02%

Residue after Igniton:
≤0.1%

Related Substances:
Salicylic Acid: ≤0.04%

Solubility:
DMSO (Slightly), Methanol (Slightly)

Storage Temp:
Store at 4°C