Cov khoom lag luam
Dab tsi yog 4- methylcinic acid rau txhua hnub cov tshuaj tsw qab yog {}}?
4- methylcinnic acid (CASE NO. {}}}}}}}}}}}}}}}}}} Crystallline hmoov nrog lub cev mis nyuj ntawm lub c₁₀h₁₀o₂ thiab qhov hnyav molecular ntawm 162.19. Nyob rau hauv chav tsev kub, nws zoo li dawb rau lub teeb-daj muaju.
Qhov sib xyaw ua ke muaj lub ntsiab lus melting ntawm 196-198 degree thiab qhov ntom ntawm kwv yees li ntawm 1.147 g / cm³. Nws yog insoluble nyob rau hauv dej tab sis soluble hauv cov kuab tshuaj yeeb yaj kiab xws li ethanol thiab ethyl acetate. Ob daim ntawv siv lead ua muaj nyob: lub siab-yaj-taw tes hom muaj rab koob-zoo li cov muaju, thaum lub ntsej muag tsis muaj koob nrov los yog rab koob-puab muaju.
Cov ntaub ntawv yooj yim
4- methylcinnic acid rau txhua hnub cov tshuaj tsw qab yog 1866-39-3
| Khoom npe: | 4- methylcinnic acid |
| CAS: | 1866-39-3 |
| Mf: | C10H10O2 |
| Mw: | 162.19 |
| Einecs: | 217-479-9 |
| Melting point | {{0 {}} degree (lit.) |
| Kub taw tes | 228.88 Qib (Kwv yees nko) |
| ceev | 1.0281 (Kev kwv yees nkawv) |
| Refronction Index | 1.5766 (kwv yees) |
| Cia temp. | Kaw Hauv Qhuav, Chav Chav |
| pa kua muag | 4.56 (ntawm 25ºC) |
Kev siv
4- methylcinnic acid tau siv dav nyob rau hauv cov tshuaj tsw qab rau cov tshuaj pleev ib ce rau cov tshuaj pleev ib ce thiab cov khoom siv saib xyuas tus kheej, suav nrog cov tshuaj tsw qab, thiab cov xab npab. Nws txhim kho cov tshuaj tsw qab thiab kev nplua nuj los ntawm kev sib koom tes nrog kev sib txuam nrog lwm cov tshuaj tsw qab. Raws li kev kho kom zoo, nws tseem ceeb cov ntxhiab xyuas rov ua lub sijhawm, ua kom muaj kev ruaj khov thiab ntev ntev kev ua tau zoo thaum lub sijhawm khaws cia thiab ntawv thov.
Cov Ntaub Ntawv Kev Nyab Xeeb
Kab lus kev nyab xeeb: S24 / 25, piv txwv li zam zam rau ntawm daim tawv nqaij thiab qhov muag.
Cov lus qhia txog kev phom sij: yuav tsim kev puas tsuaj yog tias nqus tau thiab yuav ua pa ua pa; Nws yog kev puas tsuaj yog noj; Tej zaum nws yuav muaj kev puas tsuaj yog nqus los ntawm daim tawv nqaij, uas yuav ua rau cov tawv nqaij voos thiab qhov muag khaus.
Tuam txhab tau
Gneebioyog kev tsim tawm tshwj xeeb hauv kev tshawb fawb, kev loj hlob, ntau lawm thiab muag ntawm lub xeev Henan, npog thaj tsam ntawm 3,600 square metres. Peb muaj tus kws tshaj lij, zoo-nruab nrog thiab cov pab pawg R & D muaj ntau dua 10 xyoo ntawm R & D kev paub. Peb lireagentCov khoom tau dav exported rau ntau lub tebchaws suav nrog Tebchaws Asmeskas, Tebchaws Russia, Tebchaws Asmeskas, Tebchaws Asmeskas, thiab peb muab cov kev pabcuam sai sai rau peb cov neeg siv khoom. Peb vam tias yuav tsim kev sib koom tes ntev thiab muaj kev sib koom tes hauv lub neej yav tom ntej thiab muab cov khoom lag luam zoo tshaj plaws rau peb cov neeg siv khoom.
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Cim npe nrov: 4- methylcinnic acid rau txhua hnub cov tshuaj tsw qab yog {}} chaw tsim tshuaj, lwm tus neeg, Hoobkas
