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247006 Sigma-Aldrich

5-Sulfosalicylic acid dihydrate

ACS reagent, ≥99%

Synonym: 2-Hydroxy-5-sulfobenzoic acid

  • CAS Number 5965-83-3

  • Linear Formula HO3SC6H3-2-(OH)CO2H·2H2O

  • Molecular Weight 254.21

  •  Beilstein/REAXYS Number 650741

  •  EC Number 202-555-6

  •  MDL number MFCD00149540

  •  PubChem Substance ID 24854842

  •  NACRES NA.21

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Properties

Related Categories Acids, Acids & Bases, Biochemicals and Reagents, Building Blocks, Chelators,
Quality Level   200
grade   ACS reagent
assay   ≥99%
  99.0-101.0% (ACS specification)
impurities   ≤0.02% insolubles
  ≤0.04% salicylic acid
ign. residue   ≤0.1%
mp   105-110 °C (lit.)
solubility   water: soluble 127.1 g/L at 20 °C
anion traces   chloride (Cl-): ≤0.001%
  sulfate (SO42-): ≤0.02%
cation traces   Fe: ≤0.001%
  heavy metals: ≤0.002%
SMILES string   [H]O[H].[H]O[H].OC(=O)c1cc(ccc1O)S(O)(=O)=O
InChI   1S/C7H6O6S.2H2O/c8-6-2-1-4(14(11,12)13)3-5(6)7(9)10;;/h1-3,8H,(H,9,10)(H,11,12,13);2*1H2
InChI key   BHDKTFQBRFWJKR-UHFFFAOYSA-N

Description

Application

5-Sulfosalicylic acid dihydrate is a poly functional metal chelating ligand that may be used to form metal coordination complexes.

Spray reagent for the detection of amino acids on TLC plates. Doping agent for polyaniline.

Packaging

100, 500 g in poly bottle

Safety & Documentation

Safety Information

Symbol 
GHS05  GHS05
Signal word 
Danger
Hazard statements 
Personal Protective Equipment 
RIDADR 
UN 3261 8 / PGII
WGK Germany 
WGK 1
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles

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Peer-Reviewed Papers
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References

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