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42077 Sigma-Aldrich

Sodium cyanoborohydride

PharmaGrade, Manufactured under appropriate controls for use as a raw material in pharma or biopharmaceutical production.

Synonym: Sodium cyanotrihydridoborate



Related Categories Borohydrides, Chemical Synthesis, Reduction, Synthetic Reagents
Quality Level   ELITE
biological source   synthetic
grade   Non-Compendial
product line   PharmaGrade
assay   ≥97 wt. % (redox titration)
form   powder
shelf life   limited shelf life, expiry date on the label
impurities   ≤1000 ppm residual solvent (tetrahydrofuran)
  ≤3000 ppm residual solvent (toluene)
mp   >242 °C (dec.)(lit.)
solubility   H2O: 100 mg/mL, clear to faintly turbid, colorless
cation traces   Ag: ≤2.5 mg/kg
  Cd: ≤2.5 mg/kg
  Cr: ≤2.5 mg/kg
  Cu: ≤10 mg/kg
  Fe: ≤10 mg/kg
  Mo: ≤2.5 mg/L
  Ni: ≤2.5 mg/kg
suitability   suitable for manufacturing use


Analysis Note

may contain traces of cyanide and borohydride.

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.


Enhanced Quality Product Documentation on PharmaGrade Sodium Cyanoborohydride

Safety & Documentation

Safety Information

Signal word 
Hazard statements 
Supplemental Hazard Statements 
Contact with acids liberates very toxic gas.
UN 3179 6.1(4.1) / PGII
WGK Germany 

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Protocols & Articles

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