Cov khoom
1,3-Dimethyl-5-pyrazolone
Pyrazolone Chemical Properties
| Melting point | 117 ° C |
| Boiling point | 210.05 ° C (kwv yees kwv yees) |
| ceev | 1.1524 (zeeg) |
| Refractive Index | 1.4730 (kwv yees) |
| cia temp. | Muab kaw rau hauv qhuav, Chav Kub |
| solubility | Chloroform (me ntsis), DMSO (me ntsis), Ethyl Acetate (me ntsis, Sonicated), Tau |
| pka ua | 2.93 ± 0.50 (Tshaj tawm) |
| daim ntawv | Khoom |
| xim | Off-White to Light Beige |
| Dej Solubility | yuav luag pob tshab |
| InChIKey | JXPVQFCUIAKFLT-UHFFFAOYSA-N |
| CAS DataBase Reference | 2749-59-9 (CAS DataBase Reference) |
| NIST Chemistry Reference | 3H-Pyrazol-3-ib, 2,4-dihydro-2,5-dimethyl-(2749-59-9) |
| EPA Tshuaj Registry System | 3H-Pyrazol-3-ib, 2,4-dihydro-2,5-dimethyl- (2749-59-9) |
Pyrazolone Product Description
1,3-Dimethyl-5-pyrazolone yog cov tshuaj sib xyaw nrog cov mis molecular C5H8N2O.Nws tseem hu ua dimethylpyrazolone lossis DMP.Nws yog dawb crystalline hmoov, yooj yim soluble nyob rau hauv dej thiab organic solvents.1,3-Dimethyl-5-pyrazolone muaj ntau yam kev siv hauv kev lag luam sib txawv.Ib qho ntawm nws txoj kev siv tseem ceeb yog ua cov tshuaj chelates thiab ligands hauv kev sib koom ua ke chemistry.
Nws tsim cov khoom ruaj khov nrog cov hlau ions uas siv rau hauv cov ntawv thov xws li kev tshuaj ntsuam chemistry, catalysis, thiab ntxiv rau hauv cov khoom siv hluav taws xob.Hauv kev lag luam kws tshuaj, 1,3-dimethyl-5-pyrazolone yog siv los ua ib qho nruab nrab hauv kev sib xyaw ntawm ntau yam tshuaj thiab tshuaj sib txuas.Nws tuaj yeem siv los ua cov khoom siv yooj yim rau kev tsim cov tshuaj analgesics, antipyretics thiab tshuaj tiv thaiv kab mob.
Tsis tas li ntawd, 1,3-dimethyl-5-pyrazolone muaj cov ntawv thov hauv kev yees duab.Nws tuaj yeem siv los ua tus tsim tawm thaum lub sijhawm thaij duab dub thiab dawb, pab tsim cov duab meej thiab ntse.Kev ceev faj txog kev nyab xeeb tsim nyog yuav tsum tau ua thaum siv 1,3-dimethyl-5-pyrazolone vim nws tuaj yeem ua rau muaj kev phom sij yog tias noj, nqus pa, lossis sib cuag nrog daim tawv nqaij lossis qhov muag.Kev xyaum ua haujlwm zoo thiab cov cuab yeej tiv thaiv tus kheej yuav tsum tau siv thaum tuav cov khoom sib xyaw no.
Nyob rau hauv cov ntsiab lus, 1,3-dimethyl-5-pyrazolone yog ib tug multifunctional compound uas yuav siv tau nyob rau hauv lub teb ntawm kev sib koom tes chemistry, kws, thiab kev yees duab.Nws cov khoom chelating ua rau nws muaj txiaj ntsig zoo li ligand rau hlau complexes thiab ua ib qho nruab nrab hauv kev sib txuas ntawm ntau yam tshuaj.
Cov ntaub ntawv kev nyab xeeb
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 ib |
| Cov lus hais txog kev nyab xeeb | 26-36/37/39 ib |
| Kev Ceeb Toom | Irritant |
Pyrazolone Siv thiab Synthesis
| Chemical Properties | Lub teeb Beige Khoom |
| Siv | 1,3-Dimethyl-5-pyrazolone (cas 2749-59-9) yog ib qho khoom siv hauv cov organic synthesis. |
