http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-107501069-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-81 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-78 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A01N35-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-80 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A01N35-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-80 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A01P11-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-81 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-78 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C49-747 |
| filingDate | 2017-09-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2020-07-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2020-07-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-107501069-B |
| titleOfInvention | Preparation method of diphacinone sodium salt |
| abstract | The invention relates to a preparation method of diphacinone sodium salt, which adopts a solvent refining process to prepare high-purity diphacinone sodium salt, adopts polar solvents such as methanol, ethanol, acetone and the like or mixed solvents thereof to dissolve a crude product, and removes mechanical impurities, inorganic salts and the like by filtration; then water is adopted for recrystallization, and hydrocarbons such as toluene, benzene, petroleum ether and the like and water-insoluble solvent are used for co-boiling and washing, so that organic impurities in the water solution are removed; the golden yellow acicular crystal state diphacinone sodium salt is separated out at low temperature, and the purity of the golden yellow acicular crystal state diphacinone sodium salt can reach more than 98 percent. The invention can provide a preparation method of high-purity diphacinone sodium salt, which has high quality, purity of more than 98 percent, outstanding poisoning effect, simple preparation process and equipment requirements and less three wastes. |
| priorityDate | 2017-09-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 46.