Substance profile
Potassium cyanate
Potassium cyanate is a white, crystalline powder.
01 · Identification
What Potassium cyanate is
Potassium cyanate is a white, crystalline powder. Its molecular formula is CKNO and its molecular weight is 81.115 g/mol. It melts at 315 °C.
Under the GHS it carries the signal word Warning.
02 · GHS classification
Hazards and label elements
Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.
| Code | Hazard statement |
|---|---|
| H302 | Harmful if swallowed. |
03 · Physical and chemical properties
Potassium cyanate properties
Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.
| Property | Value | Conditions | Source |
|---|---|---|---|
| Melting point | 315 °C (599 °F) | HSDB | |
| Density | 2.056 g/cm³ | HSDB | |
| Solubility | Very slightly sol in alcohol | HSDB | |
| In water, 6.3X10+5 mg/L @ 10 °C | at 10 °C | HSDB | |
| Corrosivity | Relatively non-corrosive to most irons and natural and synthetic rubbers | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling Potassium cyanate
Incompatible materials
When ... Placed in contact with acid or acid fumes, cyanates emit hightly toxic fumes. /Cyanates/
Source: Hazardous Substances Data Bank (HSDB)
Planning storage for a mix of chemicals? Check Potassium cyanate in the storage compatibility matrix →