Cov khoom lag luam
Benzoic acid yog lub crystal tsis muaj kob lossis lob txag hauv cov roj av, me ntsis soluble ether, thiab sublimates siab dua 100}.
|
Tshuaj Cov Qauv |
C7H6O2 |
| Tus hniav loj | 122.123 g / mol |
| Kev tshwm sim | Tsis muaj kob crystalline khoom |
| Tus ntxhiab | Tsaus muag, qab ntxiag tsw |
| Ceev | 1.2659 g / cm3(15 degree) 1.0749 g / cm3(130 degree) |
| Melting taw tes | 122 Qib (252 Qib F; 395 k) |
| Kub taw tes | 250 Qib (482 Qib F; 523 K) |
|
Solubility hauv dej |
1.7 g / l (0 degree) 2.7 g / l (18 teev) 3.44 G / L (25 degree) 5.51 g / l (40 degree) 21.45 g / l (75 degree) 56.31 g / l (100 degree) |
| So | Soluble hauv acetone, benzene, ccl4, Chcl3, Cawv, Kev Nyab Xeeb ether, HeXane, Phenyyls, Kua Ammonia, Acetates |
Kev siv
- Kws Kev Lag Luam: Benzoic Acid yog qhov tseem ceeb hauv synediate rau cov synthesis ntawm penicillin, Cepharosporin thiab lwm cov tshuaj tua kab mob .
- Kev Lag Luam Kev Lag Luam: Nws yog siv nyob rau hauv kev npaj ua neeg nplaim, thiab yog ib qho tseem ceeb ntawm ntau cov naj hoom thiab flavors .
- Cov tshuaj tua kab tua kab: Thaum tshuaj tua kab: Cov roj ntsha benmediates, cov tshuaj tua kab, cov tshuaj tua kab, .
- Lwm yam: raws li cov khoom siv tseem ceeb thiab nruab nrab hauv cov khoom siv hluav taws xob organic {}} Kuv tseem tuaj yeem siv rau hauv cov khoom siv huab cua {}, number case thiab lwm yam kev lag luam.
Cov Kev Pab Cuam Gnee:
{{0 {}} Cov qauv nyiaj .
2.} Cov Packing kuj tuaj yeem ua raws li cov neeg siv khoom lag luam '}}
{3. Txhua yam kev nug yuav teb tsis pub dhau 24 teev .
4.}} Peb muab daim ntawv qhia nqe lus, cov ntawv pov thawj khoom lag luam thiab keeb kwm muaj cov kev cai tshwj xeeb, qhia rau peb paub.
{{0 {}} Hoobkas nqe .
6.}}}}}}} Peb muaj kev koom tes zoo nrog koj ib zaug koj lees paub qhov kev txiav txim.
7. Peb tuaj yeem lees txais ntau txoj kev them nyiaj, L / C, PEs, PayPal Minis, thiab peb koom tes nrog kev ua txhaum ntau xyoo.
Tuam txhab tau
Ua raws li kev ua lag luam lub tswv yim ntawm "thev naus laus zis, kev ua lag luam tshwj xeeb thiab kev tswj hwm zoo los ntawm kev tswj hwm kev ua tau zoo thiab kev tswj hwm kev ua tau zoo thiab kev tswj hwm kev ua haujlwm.
Txais tos tiv tauj peb kom paub meej ntxiv, peb yuav muab koj tus nqi sib tw tshaj plaws!
Cov FAQ
Q: Yuav ua li cas txog koj tus nqi?
A: Hoobkas nqe {{}}} Koj tuaj yeem xa koj cov lus nug (cov khoom lag luam, qhov chaw koj tuaj yeem tiv toj nrog koj tsis pub dhau 24 teev.
Q: Koj MOQ yog dab tsi?
A: Koj tuaj yeem ntsuas cov qauv xws li ob peb gram / kilograms .
b . Koj tseem tuaj yeem tso ib qho kev txiav txim me me xws li koj muaj kev ntseeg siab} Tom qab peb muaj kev ntseeg siab .
Q: Koj lub sijhawm xa khoom dab tsi?
A: Feem ntau cov zaub mov xa tuaj yuav ua nyob rau hauv 7-15 hnub tawm tsam kev paub tseeb .
Q: Yuav ua li cas kom tau txais cov lus hais?
A: Peb xav tau qee lub sijhawm los xam thiab xav tau cov ntaub ntawv tshwj xeeb los ntawm koj {{} Cov ntaub ntawv xav tau rau cov lus yuav txawv ntawm cov khoom sib txawv .
Xws li:
. Cov txheej txheem thiab cov khoom lag luam thiab khoom lag luam khoom.
b . cov khoom siv thiab loj .
c . kev txiav txim kom muaj nuj nqis .
Cim npe nrov: Benzoic acid rau kev lag luam? 65-85-0}}} C7h6o2, Tuam Tshoj Benzoic Acid rau Kev Lag Luam Ua} C7H6O2 tuam ntxhab, cov chaw tsim khoom, Hoobkas