Cov khoom lag luam
Cov tshuaj nrog tus lej cas 1693 - 28 - 3 2 - (trifluoromethyl)}}}} trifluoromrethylenthiokanthone.
Hais txog nws lub cev thiab tshuaj lom neeg, 2- (trifluoromethyl) rau dawb dawb rau dawb tawv, ib qho hmoov dawb, lossis lub teeb beige khoom. Nws molecular mis yog c14h7f3os, thiab nws cov molecular hnyav yog 280.26 lossis 280.27. Nws melting point ranges los ntawm 147 degree mus rau 151 degree. Nyob rau hauv cov nqe lus ntawm cov qauv tshuaj, nws zwm rau ib lub trifluoromethyl-hloov thioxananthone, uas yog ib tus neeg Sulphur analog ntawm xanthone. Nws cov keto pab pawg yog nquag rau nucleophilic cov tshuaj tiv thaiv thiab tuaj yeem ua haujlwm tau zoo.
Cov ntaub ntawv yooj yim
| Khoom npe | {{0 {}} trifluorethyl thioxanyst |
| Cas | 1693-28-3 |
| Mf | C14h7f3os |
| Mw | 280.27 |
| Einecs | 216-893-7 |
| Kev tshwm sim | Ntshiab daj siv lead ua hmoov |
| Melting taw tes | {{0 {}} degree (lit.) |
| Kub taw tes | 375.1 ± 42. {0 degree (kwv yees) |
| Ceev | 1.433 ± {0. 06 g / cm3 (kwv yees) |
| Cia temp. | Khaws rau hauv qhov chaw tsaus, kaw rau hauv qhuav, chav tsev kub |
Cov Ntaub Ntawv Kev Nyab Xeeb
Hais txog nws cov ntaub ntawv kev nyab xeeb, WGK Lub Tebchaws Yelemees Kev Ntsuas ntawm nws yog 3. Thaum siv nws, tawv nqaij, thiab nws yuav tsum tsis txhob noj lossis nqus tau. Tom qab ua haujlwm, koj yuav tsum tau ntxuav kom huv. Yog tias koj cov khaub ncaws tsis huv, koj yuav tsum ntxuav nws ua ntej rov siv dua. Ntxiv mus, nws yog qhov yuav tsum tau siv cov khoom tiv thaiv tus kheej tsim nyog, xws li tsom iav kev nyab xeeb, hnab looj tes tiv thaiv, thiab cov khaub ncaws tiv thaiv. Nyob rau tib lub sijhawm, kev tswj cov tshuab uas siv hluav taws xob kev ntsuas yuav tsum tau noj, xws li siv cov pa tawm hauv zos kom ua kom muaj huab cua hauv qab no qhov kev txwv tsis pub muaj pa.
Kev siv
Tshuaj Synthesis Qib Nruab Nrab: raws li kev sib txuam ntawm floupenthixol.
Photocatalytic Rield teb teb ua teb: 2- (trifluoromethyl) thiocanthen {1}}}}}}}}
Olyed teb: {2- (trifluoromethyl)}}}}}}}}}}}}}}}}}}}}}}} Cov pa hluav taws xob polascent
Tuam txhab tau
Gnechem, nyob hauv Henan xeev, Suav teb, yog ib feem ntawm cov pab pawg Gnee, nrog 22 xyoo kev ua haujlwm zoo rau cov neeg siv khoom lag luam thoob ntiaj teb. Peb muab cov khoom siv raw tshuaj muaj kuab lom thiab tshuaj lom neeg tshwj xeeb rau ntau yam kev muaj peev xwm hauv tsev thiab txawv teb chaws, ua rau peb ib tus neeg ntseeg siab.
Cov FAQ
1. Kuv yuav tau txais tus nqi li cas?
-Peb feem ntau hais nyob rau hauv 24 teev ntawm tau txais koj qhov kev nug (tsis suav nrog hnub so thiab hnub so).
-Yog koj xav tau tus nqi hloov mus, thov hu rau peb txhais tau tias peb tuaj yeem hais lus rau koj.
2.What koj lub sijhawm khoom xa tuaj?
-It nyob ntawm tus naj npawb ntawm kev txiav txim thiab lub caij uas koj tso koj daim ntawv xaj.
-Usually, kev txiav txim tuaj yeem xa tawm tsis pub dhau 7-15 hnub rau cov xaj me thiab 25 hnub rau xaj loj.
3. Dab tsi yog tus qauv thauj khoom?
-Yog tuaj yeem nkoj los ntawm hiav txwv, huab cua, lossis nthuav qhia (EMS, UPS, DHL, TNT, FedEx, thiab lwm yam).
Cim npe nrov: CAS: 1693-28-3|2- (trifluoromethyl) thioxanthen -9- ib, Tuam Tshoj yog: {}|2- (trifluoromethyl) thioxanthen -9- ib lub chaw tsim khoom, cov chaw muag khoom, Hoobkas
