Cov khoom lag luam
Propionic acid yog cov kua ntshiab tsis muaj xim nrog cov tshuaj tsw qab, nws yog cov kua qaub thiab cov kua qaub ntau dua li cov acidic acid; tuaj yeem siv tau, nyob rau qee qhov kev mob thiab cawv cov tshuaj tiv thaiv los ua protionate; Kuj tseem muaj qee qib ntawm kev ceev, tuaj yeem yog oxidised los ntawm cov muaj zog oxidants.
| Kev tshwm sim | Tsis muaj kob, kua roj[1] |
| Tus ntxhiab | Pungent, Rancid, tsis kaj siab[1] |
| Ceev | 0.98797 g / cm3 |
| Melting taw tes | -20.5 Degree (-4.9 Degree F; 252.7 K) |
| Kub taw tes | 141.15 Degree (286.07 Degree F; 414.30 K) |
|
Sublimation |
Sublimes at -48 degree ΔtublH |
|
Solubility hauv dej |
8.19 G / G (-28.3 Qib) 34.97 g / g (-23.9 degree) Ua kom tsis meej (ntau dua lossis sib npaug rau -19.3 Qib) |
| So | Miscible hauv etoh, ether, chcl3 |
| phau ntawv ceev xwmP | 0.33 |
| Vapor siab | 0.32 kpa (20 degree) 0.47 kpa (25 degree) 9.62 KPA (100 Qib) |
Kev siv
- Kev Lag Luam Khoom Noj Khoom Noj: Cov khoom lag luam propionic yog cov khoom noj kom txuas ntxiv kom txuas tau lub neej, xws li hauv cov khoom ci thiab lwm cov khoom ci tau siv dav .
- Cov khoom siv rank ntaub khib nyiab: siv hauv kev tsim cov propionic acid ethers, butyl propionate, etc .; kuj synthesis ntawm tej yam tshuaj thiab tshuaj tua kab mob nruab nrab .
- Pub tshuaj ntxiv: Ntxiv propionic acid kom tiv thaiv tau cov pwm thiab tsis zoo .
Tuam txhab tau
Gnee tshwj xeeb hauv kev lag luam kev lag luam thoob ntiaj teb thiab tau teeb tsa nws cov sights ntawm kev ua ib qho kev sib tw thoob ntiaj teb {}}
Lub tuam txhab muaj ntau caum qhov kev paub hauv kev tsim thiab muag cov tshuaj zoo, muab cov tshuaj organic, biochemicals, cov khoom lag luam .
Peb muaj cov kws tshaj lij R & D Team . Peb pab neeg ntau dua 200}
Peb ua raws li lub hauv paus ntsiab lus ntawm "ua ib qho zoo ua ntej" thiab tau teeb tsa cov qauv ntsuas kom nruj rau txhua theem ntawm txhua theem ntawm cov txheej txheem ntau lawm.
Saib xyuas cov tshuaj xyuas zoo saib xyuas cov txheej txheem ntau lawm ntawm txhua cov khoom lag luam kom ntseeg tau tias qhov zoo tshaj plaws tshuaj lom neeg .
Txais tos tiv tauj peb kom paub meej ntxiv, peb yuav muab koj tus nqi sib tw tshaj plaws!
Cov FAQ
Q: Kuv tuaj yeem tau txais cov khoom muag tom qab them nyiaj li cas?
A: Rau cov khoom me me, peb yuav xa cov khoom rau koj los ntawm International Express (DHL, FedEx, thiab lwm yam {{}}}}}}}} .
Rau cov khoom loj, cov dej hiav txwv thauj khoom yog qhov zoo dua . Nws siv sijhawm li ob peb lub lis piam, nyob ntawm qhov chaw nres nkoj ntawm lub chaw nres nkoj .
Q: Kuv tuaj yeem tau txais cov qauv li cas?
A: Peb tau txais txiaj ntsig los muab cov qauv rau koj {{.}}}} rau cov khoom lag luam, koj tsuas yog xav tau tus nqi thauj khoom; Rau cov nqi khoom siv muaj txiaj ntsig zoo, koj tsuas yog yuav tsum tau ris tus nqi thauj khoom thiab tus nqi me me ntawm cov khoom lag luam .
Q: Koj puas sim tag nrho koj cov khoom ua ntej xa khoom?
A: Yog, peb muaj 100% kuaj ua ntej xa khoom, yuav muab? Ua ke nrog .
Q: Koj MOQ yog dab tsi?
A: Nyob ntawm cov khoom koj xav tau, peb yuav tshawb xyuas cov ntim tsawg kawg nkaus, thov hu rau peb rau cov ntsiab lus tshwj xeeb .
Q: Qhov chaw nres nkoj ntawm chaw thau khoom nyob qhov twg?
A: Feem ntau Shanghai chaw nres nkoj lossis Qingdao chaw nres nkoj .
Cim npe nrov: Cov tshuaj organic kua txob kua prof pro acid CAS?}}}}}} entshis {}} chaw tsim khoom, cov chaw tsim khoom, Hoobkas