Cov khoom lag luam
Khoom npe: 2,5-dibromotheriophene
CAS: 3141-27-3
Mf: c4h2br2s
MW: 241.93
Einecs: 221-547-3
Quav: 2.147 G / cm3
Melting Taw tes: -6 Qib
Boint Taw tes: 211 Qib
Ntim: 1 L / Lub raj mis, 25 L / Nruas, 200 l / Nruas
Kev qhia tshwj xeeb
| Cov khoom | Cov lus qhia |
|
Kev tshwm sim |
Lub teeb daj daj |
| Kev coj dawb huv |
Ntau dua los yog sib npaug rau 98% |
| Xim (APHA) | Tsawg dua los yog sib npaug rau 50 |
| Ywg dej | Tsawg dua los yog sib npaug rau 0.5% |
Daim ntawv thov
2,5-dibromothoten yog feem ntau siv hauv cov khoom siv hauv keeb kwm, khoom siv Chemistry, thiab kev ua haujlwm ntawm cov tshuaj tua kab hluavtaws ntxiv. Hauv qab no yog nws cov chaw thov tseem ceeb:
Organic synthesis:
Raws li lub thiophene nruab nrab, 2,5 - cov khoom siv ntawm cov khoom siv hluav taws xob nrog cov khoom siv hluav taws xob cov khoom siv molecules. Piv txwv li, nws cov derivatives muaj cov ntawv thov optoelrronic siv xws li cov muaj cov organic solar thiab lub teeb-emitting diodes (oleds).
Cov ntaub ntawv Chemistry:
2,5-dibromothere tuaj yeem tsim thiophene derivatives nrog txuas rau cov tshuaj tivthaiv hluav taws xob loj dua thiab cov khoom siv roj hluav taws xob zoo hauv cov organic hluav taws xob.
Cov kab ke tua kab txuas ntxiv:
2,5-dibromotheriophene tuaj yeem siv los npaj Halogenated Amiopat cov ntawv txuas ntxiv (Synthesis ntawm cov khoom siv tshuaj tua kab mob, uas muaj cov tshuaj tua kab mob.
Chaw ntim khoom
Khaws rau hauv lub tsev rau khoom txias thiab muaj cua rau hauv av, deb ntawm cov chaw ntawm hluav taws thiab cua sov. Nruj me ntsis txwv nrog cov kua qaub muaj zog, cov hauv paus muaj zog thiab txo cov organic sib txuas.
Ntim
Kev Thauj Mus Los & Kev Them Nyiaj
Hais Txog Tsheb Thauj Mus Los
* Peb tuaj yeem muab ntau hom thauj raws li cov neeg siv khoom 'xav tau.
*Thaum qhov ntau me me, peb tuaj yeem xa khoom los ntawm huab cua lossis thoob ntiaj teb, ua kom muaj kev pab pawg ua haujlwm tshwj xeeb thiab ntau yam kev thoob ntiaj teb.
* Thaum qhov ntau yog loj, peb tuaj yeem xa nkoj los ntawm hiav txwv los xaiv chaw nres nkoj.
* Dhau li, peb kuj tuaj yeem muab cov kev pabcuam tshwj xeeb raws li cov neeg siv khoom siv 'kev xav tau thiab cov khoom lag luam.
*Peb tuaj yeem muab ntau txoj kev them nyiaj rau cov neeg siv khoom xaiv.
*Thaum tus nqi me me, cov neeg yuav khoom feem ntau them nyiaj los ntawm Paypal, Western Union, Alibaba, thiab lwm yam.
*Thaum tus nqi loj, cov neeg siv khoom feem ntau them nyiaj los ntawm T / T, L / C thaum pom, Alibaba, thiab lwm yam.
*Dhau li, ntau dua thiab ntau tus neeg muas zaub yuav siv cov neeg siv khoom ib ntus lossis wechat them nyiaj kom them nyiaj.
Tiv Tauj Peb
Cim npe nrov: 2,5-dibromothiser Cas 5402-55-1, Tuam Tshoj 2,5-Dibromothiophene Cas 5402-55 -1ers, cov chaw tsim khoom, Hoobkas
