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71430 Sigma-Aldrich

Sodium cyanide

purum p.a., ≥96.0% (AT)

  • CAS Number 143-33-9

  • Linear Formula NaCN

  • Molecular Weight 49.01

  •  Beilstein Registry Number 3587243

  •  EC Number 205-599-4

  •  MDL number MFCD00003523

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Properties

Related Categories Essential Chemicals, Research Essentials, Salts, Sodium Salts
vapor density   1.7 (vs air)
vapor pressure   1 mmHg ( 817 °C)
InChI Key   RTVFYQXEHKQMKO-UHFFFAOYSA-N
grade   purum p.a.
assay   ≥96.0% (AT)
mp   563.7 °C(lit.)
solubility   water: soluble(lit.)
anion traces   chloride (Cl-): ≤2000 mg/kg
  sulfate (SO42-): ≤500 mg/kg
cation traces   Ca: ≤100 mg/kg
  Cd: ≤50 mg/kg
  Co: ≤50 mg/kg
  Cu: ≤50 mg/kg
  Fe: ≤50 mg/kg
  K: ≤1000 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

Application

Sodium cyanide may be employed for the synthesis of the following compounds:
• α-amino acids
• Prussian blue (cyanide pigment)
• nitriles, via reaction with primary and secondary chlorides

General description

Sodium cyanide is colorless sodium salt and its crystals belong to the cubic crystal system. Its aqueous solutions are strongly basic due to the presence of cyanide ion. It can be synthesized by reacting sodium hydroxide with hydrogen cyanide. It is a key precursor for the synthesis of various organic intermediates. It participates in the RuCl3-mediated oxidative cyanation of tertiary amines.

Price and Availability

Suggested Laboratory Gloves


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Safety & Documentation

Safety Information

Signal word 
Danger
Hazard statements 
Supplemental Hazard Statements 
Contact with acids liberates very toxic gas.
RIDADR 
UN 1689 6.1 / PGI
WGK Germany 
3
RTECS 
VZ7525000

Documents

Certificate of Analysis

Protocols & Articles
Peer-Reviewed Papers
15

References

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