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86195 Sigma-Aldrich

5-Sulfosalicylic acid dihydrate

purum p.a., ≥98.0% (T)

Synonym: 2-Hydroxy-5-sulfobenzoic acid

  • CAS Number 5965-83-3

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

  • Molecular Weight 254.21

  •  Beilstein Registry Number 650741

  •  EC Number 202-555-6

  •  MDL number MFCD00149540

  •  PubChem Substance ID 329769448

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Properties

Related Categories Acids, Acids & Bases, Chemical Synthesis, Organic Acids, Synthetic Reagents More...
InChI Key   BHDKTFQBRFWJKR-UHFFFAOYSA-N
grade   purum p.a.
assay   ≥98.0% (T)
mp   105-110 °C(lit.)
solubility   water: soluble127.1 g/L at 20 °C
anion traces   chloride (Cl-): ≤50 mg/kg
cation traces   Ca: ≤50 mg/kg
  Cd: ≤50 mg/kg
  Co: ≤50 mg/kg
  Cu: ≤50 mg/kg
  Fe: ≤50 mg/kg
  K: ≤100 mg/kg
  Na: ≤100 mg/kg
  Ni: ≤50 mg/kg
  Pb: ≤50 mg/kg
  Zn: ≤50 mg/kg

Description

Other Notes

Same product — same quality — now Sigma-Aldrich brand

Packaging

1 kg in poly bottle

50, 250 g in poly bottle

Application

5-Sulfosalicylic acid dihydrate may be used in the preparation of 1:1 proton-transfer organic adduct, 3-aminopyridin­ium 3-carb­oxy-4-hydroxy­benzene­sulfonate monohydrate and the anhydrous adduct.

General description

5-Sulfosalicylic acid is strongly acidic in nature. It exists in various hydrated forms such as dihydrate, dideuterate, trihydrate and pentahydrate. It acts as a ligand and forms various coordination complexes. It forms a complex with theophylline. Crystal structure of the complex was investigated by X-ray photoelectron spectroscopy (XPS).

Price and Availability

Suggested Laboratory Gloves


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Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
3
Protocols & Articles

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Peer-Reviewed Papers
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