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93792 SAFC

Benzenesulfonic acid

PharmaGrade, manufactured under appropriate GMP controls for pharma or biopharmaceutical production

  • CAS Number 98-11-3

  • Linear Formula C6H5SO3H

  • Molecular Weight 158.18

  •  Beilstein/REAXYS Number 742513

  •  MDL number MFCD00011689

  •  PubChem Substance ID 329770271

  •  NACRES NA.21

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Properties

Quality Level   500
biological source   synthetic
Agency/Method   non-compendial
product line   PharmaGrade
assay   ≥98.0% (w/w) (T)
  ≥99.8% (area, HPLC)
impurities   ≤0.05% phenyl p-tolylsulfone (area)
  ≤0.1% any not specified impurity (area)
  ≤1% water (Karl Fischer)
  ≤2 mg/kg residual solvents (benzene) (GC)
  ≤5000 mg/kg residual solvents (heptane) (GC)
  ≤890 mg/kg residual solcents (toluene) (GC)
ign. residue   ≤0.2%
solubility   H2O: 0.1 g/10 mL, clear, colorless
anion traces   chloride (Cl-): ≤500 mg/kg
  sulfate (SO42-): ≤600 mg/kg
suitability   corresponds for identity (IR) (ATR)
SMILES string   OS(=O)(=O)c1ccccc1
InChI   1S/C6H6O3S/c7-10(8,9)6-4-2-1-3-5-6/h1-5H,(H,7,8,9)
InChI key   SRSXLGNVWSONIS-UHFFFAOYSA-N

Description

General description

PharmaGrade products are manufactured under appropriate controls for use as a raw material in pharma or biopharmaceutical production. For more information on the PharmaGrade Program, visit sigma-aldrich.com/safc-pharmagrade.

Linkage

Enhanced Quality Product Documentation on PharmaGrade Benzenesulfonic Acid

Analysis Note

white/colorless to slightly beige crystals; powder with lumps

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN 2583PSN2 8 / PGII
WGK Germany 
WGK 1
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable
Protocols & Articles

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Peer-Reviewed Papers
15

References

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