Cov khoom lag luam
Benzoic acid yog ib organic compound uas tau piav qhia los ntawm cov tshuaj mis c6H5Cooh . nws muaj cov pab pawg carboxyl uas tau hais tias yog ib lub ntsej muag benzene {2} Kuv muaj cov xim tsis muaj tseeb nyob rau hauv ib txwm muaj {}}
| Cov lus ntawm ib txoj kab ke | C7H6O2lossis c6H5Cooh |
| Molecular hnyav / moler loj | 122.12 g / mol |
| Ceev | 1.27 g / cm3ntawm 15oC |
| Kub taw tes | 523K |
| Melting taw tes | 395 K |
Siv:
- Tshuaj: Raws li tus penicillin synergist, tab sis kuj synthesis ntawm phenobarbital, diazepam thiab ntau lwm cov tshuaj .
- Cov tshuaj tsw qab: benzoic acid yog siv nyob rau hauv kev npaj ntawm rose, jasmine thiab lwm cov floral flavors, siv hauv cov tshuaj tsw qab, tshuaj pleev ib ce {}}
- Tshuaj tua kab: Khoom cua ntawm cov nroj tsuag kev cai tswj hwm, nrog rau qee cov tshuaj tua kab thiab cov fungicides {}}
- Lwm tus: npaj cov nruab nrab xws li phenylacetamide, siv raws li cov ntxiv hauv electroplating txhawm rau txhim kho cov txheej txheej plating .
Tuam txhab tau
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.
Cov FAQ
Q: Thaum twg cov zaub mov xa tuaj?
A: Cov zaub mov xa tuaj yuav tau ua nyob rau hauv 5-10 hnub tom qab tau txais kev them nyiaj yug {.
Q: Koj tus qauv los xyuas kom meej qhov zoo ntawm koj cov khoom?
A: Peb nruj ua raws li 6 kauj ruam rau kev tswj hwm zoo, pib los ntawm cov khoom siv raw, pib los ntawm cov khoom lag luam tiav rau cov khoom tiav tawm hauv lub hoobkas.
Q: Yuav ntev npaum li cas rau kuv kom tau txais cov qauv?
A: Peb yuav xa cov qauv tsis pub dhau {{}}}}}}} {{{3} {3} {3} {}5-7 ua haujlwm hnub
Q: Koj txais cov txheej txheem them nqi dab tsi?
A: Peb lees txais 50% them ua ntej lossis 100% them rau pom, lossis lwm txoj kev them nyiaj, yuav tsum sib tham.
Q: Qhov kev txiav txim yam tsawg kawg nkaus?
A: Feem ntau qhov kev txiav txim yam tsawg kawg nkaus yog 1kg, uas tuaj yeem siv ua piv txwv rau cov khoom lag luam tshwj xeeb yog 20 gram .
Cim npe nrov: Dawb crystalline khoom benzoi acid cas acid cas {}}}}, Tuam Tshoj WEWORF CASE SCRESSL CASE SCRESSL CASE SCRESSALL CASS khoom CAS