Potassium cyanide
SIGMA/60178 - BioUltra, ≥98.0% (AT)
Synonym: KCN; Potassium salt of hydrocyanic acid
CAS Number: 151-50-8
Empirical Formula (Hill Notation): CKN
Molecular Weight: 65.12
EC Number: 205-792-3
MDL Number: MFCD00011397
Linear Formula: KCN
Product Type: Chemical
| λ | 1 M in H2O |
| anion traces | chloride (Cl-): ≤200 mg/kg |
| sulfate (SO42-): ≤400 mg/kg | |
| sulfide (S2-): ≤5 mg/kg | |
| thiocyanate (SCN-): ≤100 mg/kg | |
| assay | ≥98.0% (AT) |
| biological source | synthetic |
| cation traces | Al: ≤5 mg/kg |
| As: ≤0.1 mg/kg | |
| Ba: ≤5 mg/kg | |
| Bi: ≤5 mg/kg | |
| Ca: ≤50 mg/kg | |
| Cd: ≤5 mg/kg | |
| Co: ≤5 mg/kg | |
| Cr: ≤5 mg/kg | |
| Cu: ≤5 mg/kg | |
| Fe: ≤100 mg/kg | |
| Li: ≤5 mg/kg | |
| Mg: ≤5 mg/kg | |
| Mn: ≤5 mg/kg | |
| Mo: ≤5 mg/kg | |
| Na: ≤5000 mg/kg | |
| Ni: ≤5 mg/kg | |
| Pb: ≤5 mg/kg | |
| Sr: ≤5 mg/kg | |
| Zn: ≤5 mg/kg | |
| form | crystalline |
| impurities | insoluble matter, passes filter test |
| InChI | 1S/CN.K/c1-2; |
| InChI key | YUZRZFQHUCKACF-UHFFFAOYSA |
| mp | 634 °C (lit.) |
| pH | 11.0-13.0 (25 °C, 1 M in H2O) |
| product line | BioUltra |
| Quality Level | 200  |
| SMILES string | [K]C#N |
| solubility | H2O: 1 M at 20 °C, clear, colorless |
| UV absorption | λ: 260 nm Amax: 0.06 |
| λ: 280 nm Amax: 0.03 |
| Application: | Potassium cyanide is use to inhibit oxidative phosphorylation reactions in a wide variety of biological systems and applications. |
| Other Notes: | 2024 CiteAb Award Winner for Supplier Succeeding in Parkinson′s Research  |
| Other Notes: | Blocks electron transport to oxygen via cytochrome oxidase, hence employed in the determination of succinate dehydrogenase in submitochondrial particles by preventing substantial loss of succinate by electron flux to O2 |
| Symbol |     GHS05,GHS06,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H290 - H300 + H310 + H330 - H372 - H410 |
| Precautionary statements | P262 - P273 - P280 - P301 + P310 + P330 - P302 + P352 + P310 - P304 + P340 + P310 |
| Hazard Codes | T+,N |
| Risk Statements | 26/27/28-32-50/53 |
| Safety Statements | 7-28-29-45-60-61 |
| RIDADR | UN 1680 6.1 / PGI |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Supplemental Hazard Statements | EUH032 |
| Purity | ≥98.0% (AT) |
| mp | 634 °C (lit.) |
| UNSPSC | 12352302 |