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590-28-3

Basic Information
CAS No.: 590-28-3
Name: Potassium cyanate
Article Data: 195
Molecular Structure:
Molecular Structure of 590-28-3 (Potassium cyanate)
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: HarmfulXn
Risk Codes: 22
Safety: 24/25
PSA: 46.85000
LogP: -0.10202
Synthetic route
108-80-5

cyanuric acid

A

590-28-3

potassium cyanate

B

420-05-3

cyanic acid

Conditions
ConditionsYield
das saure Kaliumsalz reagiert;
590-28-3

potassium cyanate

Conditions
ConditionsYield
With potassium carbonate
64-17-5

ethanol

42071-30-7

3-ethoxy-4-hydroxy-benzaldehyde-(O-carbamoyl oxime )

151-50-8

potassium cyanide

A

590-28-3

potassium cyanate

B

[1-(3-Ethoxy-4-hydroxy-phenyl)-meth-(Z)-ylidene]-urea

460-19-5

ethanedinitrile

590-28-3

potassium cyanate

Conditions
ConditionsYield
With potassium hydroxide; water

allophanic acid ethyl ester; potassium-compound

A

590-28-3

potassium cyanate

B

51-79-6

urethane

Conditions
ConditionsYield
at 215℃;

5-nitro-barbituric acid ; dipotassium-salt

A

590-28-3

potassium cyanate

B

420-05-3

cyanic acid

C

15719-64-9, 15719-76-3, 97762-63-5

methylammonium carbonate

Conditions
ConditionsYield
beim Erhitzen;
151-50-8

potassium cyanide

590-28-3

potassium cyanate

Conditions
ConditionsYield
Electrolysis;
With chloroamine; water
bei der Oxydation mit verschiedenen Oxydationsmitteln;
127099-85-8, 780722-26-1

N-Cyanoguanidine

590-28-3

potassium cyanate

Conditions
ConditionsYield
With potassium carbonate at 400℃;
590-28-3

potassium cyanate

Conditions
ConditionsYield
With potassium hydroxide; ethanol at 100℃; und mit anderen Amiden der Kohlensaeure;
With potassium carbonate at 100 - 275℃;
506-77-4

cyanogen chloride

590-28-3

potassium cyanate

Conditions
ConditionsYield
With potassium hydroxide
With potassium hydroxide In neat (no solvent) byproducts: KCl, H2O;
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    CAS Number: 590-28-3 Molecular formula: CKNO Molecular Weight: 81.12 EINECS number: 209-676-3 Related Categories: Inorganics;InorganicsAlphabetic;Herbicides;P;Pesticides & Metabolites;PON - PT;Metal and Ceramic Sc

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    Potassium cyanate 590-28-3 in stock sales 590-28-3 Potassium cyanate CAS: 590-28-3 EINECS Number: 209-676-3 Molecular formula: CKNO MDL Number: MFCD00011411 Molecular weight: 81.12 MOL file: 590-28-3.mol Physical and chemical prop

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Specification

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.

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