Dawb hmoov 2- bromo -4} {2} {{{}} rau organic synthesis

Cov khoom lag luam

Txawm 444-14-4 sib haum rau {1}} bromo {}} Nws cov mis molecular yog c₆h₄brf₂n thiab nws cov roj molecular yog 208.00346.
{{{{{0}} Bromo {}}}}}}}}}}}}}}}}}}} yaj tsis muaj tseeb nrog qee cov voos. Nws regacking index yog 1.57, nyem taw tes yog 177 degree yog {}} qhov tseeb yog 1,788) yog 20,78m

Cov ntaub ntawv yooj yim

Cov Ntaub Ntawv Kev Nyab Xeeb

Lub Sijhawm Pheej Hmab
R20 / 21 / {22 - kev phom sij los ntawm kev nqus tau, tawv nqaij thiab noj.
R36 / 37 / {38 -} chim rau ob lub qhov muag, ua pa thiab tawv nqaij.
R51 / {53 - pakic rau dej ua neej, tej zaum yuav ua rau muaj kev nyab xeeb ntev hauv kev ua haujlwm dej.
R 22 - txaus ntshai yog nqos tau.
Cov lus nyab xeeb
S 26 - Thaum muaj kev sib cuag nrog lub qhov muag, yaug tamsis muaj cov lus qhia txog kev kho mob ntau ntxiv.
S 36 - Hnav cov khaub ncaws tiv thaiv haum.
S36 / 37 / {2}} Taug kev hnav khaub ncaws tiv thaiv haum, hnab looj tes thiab hnab looj ntsej muag lossis npog ntsej muag lossis npog ntsej muag.
S 61 -} Tsis txhob tso rau ib puag ncig. Xa mus rau cov lus qhia tshwj xeeb / cov ntaub ntawv kev nyab xeeb.
S 25 -} Tsis txhob sib cuag nrog lub qhov muag.

Kev siv

2- bromo -4}}}}}}}}}}}}}}}}}}, tshuaj tua kab, thiab lwm yam tuaj yeem yog siv los txhawb cov tshuaj nrog cov tshuaj uas muaj cov chaw muag tshuaj tshwj xeeb; Hauv kev ua liaj ua teb ntawm cov tshuaj tua kab, nws tuaj yeem koom nrog hauv kev sib raug zoo ntawm cov tshuaj tua kab tshiab tshiab; Hauv thaj teb ntawm dyes, nws tuaj yeem siv los ua synthesize fluorine-muaj cov dyes txhawm rau txhim kho kev ua haujlwm thiab kev ua tau zoo ntawm dyes.

Tuam txhab tau

Gnee Chem yog kev nkag rau cov kev tshawb fawb, kev txhim kho, ntau lawm thiab muag ntawm lub xeev Henan, npog thaj tsam ntawm 3,600 square metres. Peb muaj tus kws tshaj lij, zoo-nruab nrog thiab cov pab pawg R & D muaj ntau dua 10 xyoo ntawm R & D kev paub. Peb cov khoom tau dav exported rau ntau lub tebchaws, xws li Tebchaws Asmeskas, Tebchaws Russia, Tebchaws Asmeskas, Tebchaws Asmeskas, thiab peb muab cov qhua tuaj noj mov nrawm. Peb cia siab tias tsim kev sib koom tes ntev thiab muaj kev sib koom tes sib koom tes nrog cov phooj ywg ntxiv yav tom ntej, thiab muab cov khoom lag luam thiab cov kev pabcuam zoo tshaj rau peb cov neeg siv khoom.

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