Khoom Description
Cov tshuaj nrog CAS tus lej 2361 - 27 - 5 yog Thiophene-2-carbohydrazide. Nws cov mis molecular yog C₅H₆N₂OS, nrog rau qhov hnyav molecular ntawm 142.18. Nws tus lej EC yog 219 - 107 - 0, thiab tus lej MDL yog MFCD00005435.
Hais txog lub cev thiab tshuaj lom neeg, Thiophene-2-carbohydrazide yog lub teeb beige crystalline hmoov nrog xim dawb. Nws melting point yog li ntawm 136 mus rau 139 degree, thiab nws boils ntawm 260℃nyob rau hauv lub siab ntawm 760 mmHg. Qhov ceev yog kwv yees li 1.3 ± 0.1 g / cm³, qhov taw qhia qhov taw qhia yog 1.615, thiab lub teeb nyem yog 117.8 degree. Ntxiv mus, nws tus nqi PSA yog 83.36000 thiab LogP tus nqi yog - 0.15.
Cov ntaub ntawv yooj yim
| IUPAC npe | Thiophene-2-carbohydrazide |
| MDL Nr | PAB 00005435 |
| Qhov tshwm sim | Lub teeb beige heev |
| Qhov ntom | 1.401g / cm33 |
| BP | 260ºC ntawm 760 mmHg |
| MP | 136-139ºC |
| FP | 117.8ºC |
| Refractive Index | 1.644 |
Cov ntaub ntawv kev nyab xeeb
GHS kev faib tawm: Cov tawv nqaij khaus (qeb 2), qhov muag khaus (qeb 2A), lub hom phiaj tshwj xeeb ntawm cov kab mob toxicity (ib qho raug) (qeb 3).
Daim Ntawv Qhia Txog Kev Nyab Xeeb: H315 ua rau tawv nqaij khaus, H319 ua rau qhov muag khaus, thiab H335 tuaj yeem ua rau ua pa.
Kev ceev faj: P261 Tsis txhob nqus cov plua plav / fume / gas / pos huab / vapor / tshuaj tsuag, P264 Ntxuav cov tawv nqaij kom huv si tom qab tuav, P271 Tsuas yog siv sab nraum zoov lossis hauv qhov dej xwb- qhov chaw muaj cua, P280 Hnav hnab looj tes / tiv thaiv qhov muag / tiv thaiv lub ntsej muag, thiab lwm yam.
Cia tej yam kev mob: Khaws lub thawv ntim thiab muab tso rau hauv ib lub thawv kaw ntom ntom rau hauv qhov chaw txias thiab qhuav kom tsis txhob sib cuag nrog cov oxidizing agents. Nws tuaj yeem khaws cia ntawm 2-8 degree.
Siv
Hauv thaj chaw ntawm cov organic synthesis, Thiophene-2-carbohydrazide plays lub luag haujlwm tseem ceeb hauv nruab nrab. Piv txwv li, nws tuaj yeem hnov mob nrog benzaldehyde tebchaw los ua ke cov acylhydrazone derivatives, ntawm cov uas (E)-N′-(benzo(d)(1,3)dioxolane-5-ylmethyl) thiophene-2-carbohydrazide yog ib qho raug. Tsis tas li ntawd, nws koom nrog Paal-Knorr pyrrole nplhaib condensation cov tshuaj tiv thaiv thiab yog siv los tsim cov tebchaw uas muaj heterocyclic rings xws li thiophene thiab pyrrole, uas yog qhov tseem ceeb hauv cov haujlwm muaj feem xyuam.
Tuam txhab Profile
Gneechem, nyob rau hauv xeev Henan, Suav teb, yog ib feem ntawm GNEE Group, nrog 22 xyoo ntawm kev ua lag luam txawv teb chaws, tshwj xeeb hauv kev muab siab - cov khoom siv tshuaj zoo thiab cov kev pabcuam kev lag luam rau cov neeg siv khoom thoob ntiaj teb. Peb muab cov khoom siv tshuaj lom neeg yooj yim, cov tshuaj zoo thiab cov tshuaj tshwj xeeb rau ntau yam kev lag luam.Peb muaj ISO9001 tau ntawv pov thawj thiab tau lees paub los ntawm ntau qhov kev tsim nyog hauv tsev thiab txawv teb chaws, ua rau peb muaj kev ntseeg siab ntawm peb cov neeg siv khoom.
FAQ
1. Kuv yuav tau txais tus nqi li cas?
-Peb feem ntau hais tsis pub dhau 24 teev tom qab tau txais koj qhov kev nug (tsis suav hnub so thiab hnub so).
-Yog tias koj xav tau tus nqi nrawm, thov email lossis tiv tauj peb los ntawm lwm txoj kev kom peb tuaj yeem hais rau koj.
2. Koj lub sijhawm xa khoom yog dab tsi?
-Nws nyob ntawm tus naj npawb ntawm kev txiav txim thiab lub caij uas koj tso koj daim ntawv xaj.
-Feem ntau, kev txiav txim tuaj yeem xa tuaj hauv 7-15 hnub rau kev txiav txim me me thiab 25 hnub rau kev txiav txim loj.
3. Txoj kev xa khoom yog dab tsi?
-Koj tuaj yeem xa nkoj los ntawm hiav txwv, huab cua, lossis nthuav qhia (EMS, UPS, DHL, TNT, FEDEX, thiab lwm yam).
Cim npe nrov: cas: 2361-27-5|Thiophene-2-carbohydrazide, Tuam Tshoj CAS: 2361-27-5|thiophene-2-carbohydrazide manufacturers, lwm tus neeg, Hoobkas
