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| CAS No.: | 590-28-3 |
|---|---|
| Name: | Potassium cyanate |
| Molecular Structure: | |
|
|
|
| Formula: | KOCN |
| Molecular Weight: | 81.1154 |
| Synonyms: | Cyanicacid, potassium salt (8CI,9CI);Aero Cyanate;Alicyanate;Bulpur;Isocyanicacid potassium salt;Potassium cyanate (KCNO);Potassiumisocyanate; |
| EINECS: | 209-676-3 |
| Density: | 2.056 g/mL at 25 °C(lit.) |
| Melting Point: | 315 °C |
| Boiling Point: | 23.5oC at 760mmHg |
| Solubility: | 750 g/L (20 °C) in water |
| Appearance: | white powder |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 22 |
| Safety: | 24/25 |
| PSA: | 46.85000 |
| LogP: | -0.10202 |
| Conditions | Yield |
|---|---|
| das saure Kaliumsalz reagiert; |
| Conditions | Yield |
|---|---|
| With potassium carbonate |
ethanol
3-ethoxy-4-hydroxy-benzaldehyde-(O-carbamoyl oxime )
potassium cyanide
A
potassium cyanate
| Conditions | Yield |
|---|---|
| With potassium hydroxide; water |
| Conditions | Yield |
|---|---|
| at 215℃; |
A
potassium cyanate
B
cyanic acid
C
methylammonium carbonate
| Conditions | Yield |
|---|---|
| beim Erhitzen; |
| Conditions | Yield |
|---|---|
| Electrolysis; | |
| With chloroamine; water | |
| bei der Oxydation mit verschiedenen Oxydationsmitteln; |
N-Cyanoguanidine
potassium cyanate
| Conditions | Yield |
|---|---|
| With potassium carbonate at 400℃; |
| Conditions | Yield |
|---|---|
| With potassium hydroxide; ethanol at 100℃; und mit anderen Amiden der Kohlensaeure; | |
| With potassium carbonate at 100 - 275℃; |
| Conditions | Yield |
|---|---|
| With potassium hydroxide | |
| With potassium hydroxide In neat (no solvent) byproducts: KCl, H2O; |
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The Potassium cyanate, also known as Aero cyanate weedkiller, is an inorganic compound with the formula KOCN. It belongs to the product categories of Inorganics; Inorganics Alphabetic; Herbicides; P; Pesticides & Metabolites; PON - PT; Metal and Ceramic Science; Potassium Salts; Salts. Its EINECS registry number is 209-676-3. With the CAS registry number 590-28-3, its IUPAC name is potassium cyanate. What's more, this chemical is a white powder.
Physical properties of Potassium cyanate: (1)H-Bond Donor: 0; (2)H-Bond Acceptor: 2; (3)Rotatable Bond Count: 0; (4)Exact Mass: 80.961696; (5)MonoIsotopic Mass: 80.961696; (6)Topological Polar Surface Area: 46.8; (7)Heavy Atom Count: 4; (8)Formal Charge: 0; (9)Complexity: 34.5; (10)Isotope Atom Count: 0; (11)Defined Atom StereoCenter Count: 0; (12)Undefined Atom StereoCenter Count: 0; (13)Defined Bond StereoCenter Count: 0; (14)Undefined Bond StereoCenter Count: 0; (15)Covalently-Bonded Unit Count: 2.
Preparation: KOCN is prepared by urea with potassium carbonate at 400 °C. The reaction produces a liquid. Intermediates and impurities include biuret, cyanuric acid, and potassium allophanate (KO2CNHC(O)NH2), as well as unreacted starting urea, but these species are unstable at 400 °C.
2 OC(NH2)2 + K2CO3 → 2 KOCN + (NH4)2CO3
Uses of Potassium cyanate: The product is used as a basic raw material for various organic syntheses, for example, urea derivatives, semicarbazides, carbamates and isocyanates. It is also used for the heat treatment of metals. This reagent is used to prepare herbicide.
When you are using this chemical, please be cautious about it as the following:
This chemical may cause damage to health. It is harmful if swallowed. You must avoid contact with skin and eyes.
You can still convert the following datas into molecular structure:
(1)Canonical SMILES: C(#N)[O-].[K+]
(2)InChI: InChI=1S/CHNO.K/c2-1-3;/h3H;/q;+1/p-1
(3)InChIKey: GKKCIDNWFBPDBW-UHFFFAOYSA-M
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | 320mg/kg (320mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD | Journal of Pharmacology and Experimental Therapeutics. Vol. 185, Pg. 653, 1973. |
| mouse | LD50 | oral | 841mg/kg (841mg/kg) | Pesticide Chemicals Official Compendium, Association of the American Pesticide Control Officials, Inc., 1966. Vol. -, Pg. 925, 1966. |
