bonidekrabcrabgrasskiller
Potassium cyanate
CAS: 590-28-3;590-23-8
Molecular Formula: CKNO
bonidekrabcrabgrasskiller - Names and Identifiers
| Name | Potassium cyanate |
| Synonyms | alicyanate aerocyanate Potassium cyanate potassiumisocyanate cyanate de potassium millerp.c.weedkiller aerocyanateweedkiller p.c.80crabgrasskiller potassiumcyanate(kcno) potassiumcyanate(kocn) bonidekrabcrabgrasskiller POTASSIUM CYANATE(TECHNICAL) |
| CAS | 590-28-3 590-23-8 |
| EINECS | 209-676-3 |
| InChI | InChI=1/C3H6N6.CHNO/c4-1-7-2(5)9-3(6)8-1;2-1-3/h(H6,4,5,6,7,8,9);3H |
bonidekrabcrabgrasskiller - Physico-chemical Properties
| Molecular Formula | CKNO |
| Molar Mass | 81.12 |
| Density | 2.056 g/mL at 25 °C (lit.) |
| Melting Point | 315 °C |
| Boling Point | 700-900°C (1000 hPa) Not applicable,(decomposition) |
| Water Solubility | 750 g/L (20 ºC) |
| Solubility | Soluble in water, slightly soluble in ethanol. |
| Vapor Presure | 0Pa at 25℃ |
| Appearance | White crystal |
| Specific Gravity | 2.056 |
| Color | White |
| Exposure Limit | NIOSH: IDLH 25 mg/m3 |
| Merck | 14,7625 |
| BRN | 3594798 |
| PH | 10 (50g/l, H2O, 20℃) |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Incompatible with acids. |
| MDL | MFCD00011411 |
| Physical and Chemical Properties | Density 2.056 melting point 315°C water-soluble 750g/L (20°C) |
| Use | Used as a herbicide and also used in organic synthesis |
bonidekrabcrabgrasskiller - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R36 - Irritating to the eyes |
| Safety Description | S24/25 - Avoid contact with skin and eyes. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 1 |
| RTECS | GS6825000 |
| TSCA | Yes |
| HS Code | 2842 90 80 |
| Toxicity | LD50 i.p. in mice: 320 mg/kg (Cerami) |
bonidekrabcrabgrasskiller - Introduction
It is hygroscopic, easily soluble in water, slightly soluble in benzene, ethanol, ether and other organic solvents.. The powder is hygroscopic.
Last Update：2022-10-16 17:26:43
bonidekrabcrabgrasskiller - Reference Information
| LogP | 0.3 at 20℃ |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Application | potassium cyanate can be used in organic synthesis, preparation of hypnotics, herbicides, etc. |
| preparation | ErnerW uses potassium carbonate and urea as raw materials and sulfoxide or sulfone as solvent, potassium cyanate was synthesized [9]. The invention is characterized in that a solvent having a strong dissolving ability to urea and potassium carbonate is used, such as methyl ethyl sulfoxide, diethyl sulfoxide and the like. ErnerW in its patent example, 5mol of potassium carbonate and 13mol of urea were dissolved in 4.0 methyl ethyl sulfoxide, the reaction was heated and stirred with nitrogen, and the reaction temperature rose to 180 ° C in 1H, at the same time, ammonia, 24.0 c478 water vapor, carbon dioxide overflow, after 0.25H, the temperature rises to 195 ℃, at this time, sampling from the reactor, with barium nitrate test no carbonate exists, the reaction can be terminated, the product was cooled to room temperature, filtered and washed with absolute ethanol to give 10mol parts of potassium cyanate in 90% yield. |
| Use | as a herbicide, also used in organic synthesis |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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