Mineral Fillers & Pigments Available to Source

Sodium cyanide

CAS 143-33-9 · MF CNNa · MW 49.007 g/mol · UN 1689 (SODIUM CYANIDE)

Gold leaching (highly controlled/hazardous)

SDS / TDS Download
CAS Number
143-33-9
Molecular Formula
CNNa
Molecular Weight
49.007 g/mol
Material Family
Mineral Fillers & Pigments
Functional Roles
Physical Properties
melting_point
1047 u00b0F (EPA, 1998)
boiling_point
2725 u00b0F at 760 mmHg (EPA, 1998)
density
1.6 at 77 u00b0F (USCG, 1999) - Denser than water; will sink
solubility
greater than or equal to 100 mg/mL at 68 u00b0F (NTP, 1992)
vapor_pressure
1 mmHg at 1502.6 u00b0F (EPA, 1998)
flash_point
Not combustible (EPA, 1998)
ph
Aq soln strongly alkaline
GHS / SDS Safety Danger
Acute Toxic Environmental Hazard Irritant Health Hazard Corrosive
  • H400 (98.8%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
  • H318 (30.5%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
  • H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H315 (12.2%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H300 (100%): Fatal if swallowed [Danger Acute toxicity, oral]
  • H315: Causes skin irritation [Warning Skin corrosion/irritation]
  • H330: Fatal if inhaled [Danger Acute toxicity, inhalation]
  • H361: Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]
  • H300: Fatal if swallowed [Danger Acute toxicity, oral]
  • H310: Fatal in contact with skin [Danger Acute toxicity, dermal]
  • H310 (100%): Fatal in contact with skin [Danger Acute toxicity, dermal]
  • H410 (98.8%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]
  • H316: Causes mild skin irritation [Warning Skin corrosion/irritation]
  • H372 (44.8%): Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
  • H319 (14.3%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H330 (100%): Fatal if inhaled [Danger Acute toxicity, inhalation]
  • H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
  • H290 (45.3%): May be corrosive to metals [Warning Corrosive to Metals]
  • H300+H310+H330 (36%): Fatal if swallowed, in contact with skin or if inhaled [Danger Acute toxicity, oral; acute toxicity, dermal; acute toxicity, inhalation]
Chemical Identity
CAS Number143-33-9
IUPAC Namesodium cyanide
InChI KeyMNWBNISUBARLIT-UHFFFAOYSA-N
PubChem CID 8929
Synonyms & Trade Names
SODIUM CYANIDE Cymag Cyanogran Cyanide of sodium NaCN Sodium cyanide (Na(CN)) Cyanasalt H Cyanasalt S Cyanobrik Kyanid sodny Cianuro di sodio Cyanure de sodium Hydrocyanic acid, sodium salt M-44 cyanide capsules RCRA waste number P106
Full Description

Gold leaching (highly controlled/hazardous)