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HomeProduct name listPotassium cyanate

Potassium cyanate

Synonym(s):Cyanic acid potassium salt;Potassium cyanate

  • CAS NO.:590-28-3
  • Empirical Formula: CKNO
  • Molecular Weight: 81.12
  • MDL number: MFCD00011411
  • EINECS: 209-676-3
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-10-14 18:20:50
Potassium cyanate Structural

What is Potassium cyanate?

Chemical properties

Potassium cyanate, KOCN,is colorless,water soluble crystals. Used as an herbicide and for the manufacture of drugs and organic chemicals,

Chemical properties

Potassium cyanate, KCNO, white solid, soluble, formed along with lead metal by reaction of potassium cyanide and lead monoxide solids upon heating. Source of cyanate.

The Uses of Potassium cyanate

Potassium cyanate is used as chemical intermediate and as a weed killer. It is also used for the heat treatment of metals.

The Uses of Potassium cyanate

Herbicide, manufacture of organic chemicals and drugs, treatment of sickle-cell anemia.

The Uses of Potassium cyanate

Potassium cyanate is used as an inhibitor to prevent sickling of erythrocytes and has potential use as a treatment for sickle-cell anemia. Potassium cyanate is also used as a reagent to carbamylate proteins.

Definition

ChEBI: Potassium cyanate is a cyanate salt and a one-carbon compound. It has a role as a herbicide.

General Description

Potassium cyanate can be prepared by reacting urea with alkali hydroxide or carbonates at high temperatures.

Flammability and Explosibility

Not classified

Safety Profile

Poison by intraperitoneal route. Moderately toxic by ingestion. Causes irritation of the gastrointestinal tract. An herbicide. It is said to be slowly metabolized in the body to cyanide but does not have high toxicity of cyanides. When heated to decomposition it emits very toxic fumes of CNand K2O.

Purification Methods

Common impurities include ammonia and bicarbonate ion (from hydrolysis). Purify it by preparing a saturated aqueous solution at 50o, neutralising with acetic acid, filtering, adding two volumes of EtOH and keeping for 3-4hours in an ice bath. (More EtOH can lead to co-precipitation of KHCO3.) Filter, wash it with EtOH and dry it rapidly in a vacuum desiccator (P2O5). The process is repeated [Vanderzee & Meyers J Chem Soc 65 153 1961].

Properties of Potassium cyanate

Melting point: 315 °C
Density  2.056 g/mL at 25 °C (lit.)
vapor pressure  0Pa at 25℃
storage temp.  Store below +30°C.
solubility  750g/l
form  Crystalline Powder and Chunks
color  White
Specific Gravity 2.056
PH 10 (50g/l, H2O, 20℃)
Water Solubility  750 g/L (20 ºC)
Merck  14,7625
BRN  3594798
Boiling point: 700-900°C (1000 hPa) Not applicable,(decomposition)
Exposure limits NIOSH: IDLH 25 mg/m3
Stability: Stable. Incompatible with acids.
CAS DataBase Reference 590-28-3(CAS DataBase Reference)
EPA Substance Registry System Potassium cyanate (590-28-3)

Safety information for Potassium cyanate

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H302:Acute toxicity,oral
H319:Serious eye damage/eye irritation
H412:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P270:Do not eat, drink or smoke when using this product.
P273:Avoid release to the environment.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for Potassium cyanate

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