Shaanxi BLOOM Tech Co., Ltd. yog ib tug ntawm cov uas paub txog manufacturers thiab lwm tus neeg ntawm 3,5-bis (trifluoromethyl) bromobenzene cas 328-70-1 nyob rau hauv Suav teb. Txais tos rau cov lag luam wholesale zoo 3,5-bis (trifluoromethyl) bromobenzene cas 328-70-1 muag ntawm no los ntawm peb lub hoobkas. Kev pabcuam zoo thiab tus nqi tsim nyog muaj.
Tom ntej: 3.5-Bis (trifluoromethyl) bromobenzeneyog ib qho organic compound nrog CAS 328-70-1 thiab molecular mis C8H4BrF6. Tsis muaj xim rau lub teeb daj nrog lub siab melting point. Nyob rau hauv chav tsev kub, nws zoo nkaus li cov khoom amorphous yam tsis muaj lub ntsiab lus melting, tab sis maj mam yaj ntawm qhov kub siab tshaj 100 degree. Tus txheeb ze ntom ntom (dej=1) yog 2.07, thiab qhov ntsuas qhov ntsuas tsis pom tseeb (n20D) yog 1.477. Tsis yooj yim soluble hauv dej, tab sis tuaj yeem soluble hauv feem ntau cov kuab tshuaj organic xws li cawv, ethers, ketones, esters, thiab lwm yam. Muaj tshuaj lom neeg ruaj khov. Nyob rau hauv chav tsev kub, nws tsis yooj yim oxidized los yog txo, thiab tsis rhiab rau lub teeb thiab huab cua. Txawm li cas los xij, nyob rau hauv qhov kub thiab txias los yog tshwj xeeb catalytic tej yam kev mob, nws yuav raug dehalogenation los yog cyclization cov tshuaj tiv thaiv, tsim lwm hom tshuaj. Infrared spectroscopy thiab nuclear magnetic resonance spectroscopy feem ntau yog siv txoj kev tshuaj ntsuam xyuas los txheeb xyuas cov qauv ntawm cov khoom sib xyaw no. Los ntawm cov spectra no, cov pab pawg ua haujlwm thiab cov qauv molecular hauv qhov sib xyaw tuaj yeem txiav txim siab. Nws tuaj yeem siv rau hauv cov ntaub ntawv polymer xws li hluavtaws roj hmab, yas, thiab fibers. Nws tuaj yeem siv los ua softener, plasticizer, thiab kev pabcuam ua haujlwm los txhim kho kev ua haujlwm thiab cov khoom siv kho tshuab ntawm cov khoom. Tsis tas li ntawd, nws tseem tuaj yeem siv los npaj cov khoom tshwj xeeb xws li ion exchange resins thiab catalyst carriers.
|
Tshuaj Formula |
C8H17 NPO 7 |
|
Exact Mass |
239 |
|
Molecular Luj |
239 |
|
m/z |
239 (100.0%), 240 (8.7%), 241(1.4%) |
|
Elemental Analysis |
C, 40.17; H, 7.16; N, 5.86; O, 46.82 |
|
|
|
Txoj kev rau synthesizingTom ntej: 3.5-Bis (trifluoromethyl) bromobenzeneHauv chav kuaj tuaj yeem nqa tau siv 3,5-dihydroxybenzyl cawv ua cov khoom siv raw. Cov hauv qab no yog cov kauj ruam ntxaws ntawm txoj kev no:
Kauj Ruam 1: Synthesis ntawm 3,5-dihydroxybenzyl cawv
Lub synthesis ntawm 3,5-dihydroxybenzyl cawv tau muab faib ua ob theem. Ua ntej, siv o-dimethoxybenzene ua cov khoom siv raw, 2,6-dinitrophenol yog tau los ntawm nitration cov tshuaj tiv thaiv, ua raws li kev txo cov tshuaj tiv thaiv kom tau 2,6-diaminophenol, uas tom qab ntawd condensed nrog formaldehyde kom tau 3,5-dihydroxybenzyl cawv.
Raws li kev ua ntawm concentrated sulfuric acid thiab sodium nitrate, o-dimethoxybenzene yog nitrated kom tau 2,6-dinitrophenol. Cov tshuaj tiv thaiv no yog cov tshuaj tiv thaiv electrophilic, ua rau cov khoom siv hloov pauv.
Siv cov hmoov hlau thiab hydrochloric acid ua cov tshuaj txo qis, 2,6-dinitrophenol txo kom tau 2,6-diaminophenol. Cov tshuaj tiv thaiv no yog txo cov tshuaj tiv thaiv uas txo cov pawg nitro rau cov amino pawg.
Hauv cov tshuaj sodium hydroxide, 2,6-diaminophenol yog condensed nrog formaldehyde kom tau 3,5-dihydroxybenzyl cawv. Cov tshuaj tiv thaiv no yog cov tshuaj tiv thaiv condensation, tsim ib qho ether bond thiab hydroxyl pawg.
Kauj ruam 2: Synthesis ntawm 3,5-bis trifluoromethyl bromobenzene
Raws li kev txiav txim ntawm anhydrous aluminium trichloride, 3,5-dihydroxybenzyl cawv tau raug Friedel Crafts cov tshuaj tiv thaiv nrog trifluoromethyl bromide kom tau 3,5-bis trifluoromethyl bromobenzene. Cov tshuaj tiv thaiv no yog cov tshuaj tiv thaiv electrophilic, uas ua rau cov khoom siv hloov pauv.
Synthesis ntawm 3,5-bis (trifluoromethyl) bromobenzene: Nyob rau hauv catalysis ntawm anhydrous aluminium trichloride, 3,5-dihydroxybenzyl cawv yog raug rau Friedel Crafts cov tshuaj tiv thaiv nrog trifluoromethyl bromide los tsim 3,5-bis (trifluoromethyl) bromobenzene. Cov tshuaj tiv thaiv no yog cov tshuaj tiv thaiv electrophilic hloov pauv, qhov twg trifluoromethyl bromide ua raws li electrophilic reagent los tawm tsam para txoj hauj lwm ntawm 3,5-dihydroxybenzyl cawv.
Kauj Ruam 3: Purification
Purify lub generated 3,5-bis trifluoromethyl bromobenzene los ntawm distillation thiab crystallization txoj kev. Cov kev ua kom huv huv tshwj xeeb tuaj yeem hloov kho raws li qhov kev sim.
Tom ntej: 3.5-Bis (trifluoromethyl) bromobenzeneRaws li cov organic compound, muaj kev siv dav hauv ntau lub teb. Ntawm lawv, ua ib qho softener yog ib qho ntawm nws cov kev siv tseem ceeb.
3,5-bis (trifluoromethyl) bromobenzene muaj cov dej ntws zoo thiab zoo solubility nrog cov kuab tshuaj tsis-polar thiab qee cov kuab tshuaj polar xws li ketones, esters, thiab cawv. Qhov no ua rau nws nkag mus tau zoo ntawm cov saw hlau molecular ntawm cov polymers, txo cov kev sib cuam tshuam hauv nruab nrab, thiab yog li txhim kho cov yas thiab hloov pauv ntawm cov polymers. Yog li ntawd, 3,5-bis (trifluoromethyl) bromobenzene tau dav siv los ua softener hauv teb xws li roj hmab, plastics, coatings, thiab inks.
Roj hmab kev lag luam:
Hauv kev lag luam roj hmab, 3,5-bis (trifluoromethyl) bromobenzene tuaj yeem siv los ua cov khoom siv roj hmab. Nws tuaj yeem cuam tshuam nrog cov pab pawg nquag ntawm cov roj hmab molecular saw, txhim kho plasticity thiab flowability ntawm roj hmab. Tsis tas li ntawd, 3,5-bis trifluoromethyl bromobenzene tseem tuaj yeem txhim kho UV tiv thaiv thiab huab cua tsis kam ntawm roj hmab, thiab txhim kho lub neej kev pabcuam ntawm cov khoom siv roj hmab. Los ntawm kev ntxiv qhov tsim nyog ntawm 3,5-bis trifluoromethyl bromobenzene, lub hardness ntawm cov roj hmab tuaj yeem txo, ua rau nws yooj yim dua thiab elastic. Yog li ntawd, nws yog siv dav hauv kev tsim cov khoom siv roj hmab xws li cov log tsheb, roj hmab hoses, daim kab xev, thiab cov ntsaws ruaj ruaj.
Hauv kev lag luam yas, 3,5-bis (trifluoromethyl) bromobenzene tuaj yeem siv los ua cov yas yas. Nws tuaj yeem cuam tshuam nrog cov pab pawg nquag ntawm cov yas molecular chains, txo cov kev sib cuam tshuam ntawm cov rog, thiab ua kom cov elasticity thiab elasticity. Los ntawm kev ntxiv qhov tsim nyog ntawm 3,5-bis trifluoromethyl bromobenzene, kev ua haujlwm thiab cov khoom lag luam ntawm cov yas tuaj yeem txhim kho. Nws yog dav siv hauv kev tsim cov khoom yas xws li polyvinyl chloride (PVC), polyethylene (PE), polypropylene (PP), thiab polystyrene (PS).
Txheej kev lag luam:
Hauv kev lag luam txheej, 3,5-bis trifluoromethyl bromobenzene tuaj yeem siv los ua cov txheej txheem txheej txheej. Nws tuaj yeem cuam tshuam nrog cov pab pawg nquag hauv txheej txheej, txhim kho cov qib thiab ntub dej ntawm cov txheej txheem. Los ntawm kev ntxiv qhov tsim nyog ntawm 3,5-bis trifluoromethyl bromobenzene, qhov nro ntawm cov txheej tuaj yeem raug txo, ua kom yooj yim rau ntub cov substrate nto, thiab txhim kho cov adhesion thiab uniformity ntawm txheej. Tsis tas li ntawd, 3,5-bis trifluoromethyl bromobenzene tseem tuaj yeem txhim kho UV tiv thaiv thiab huab cua tiv thaiv ntawm cov txheej txheej, txhim kho lawv cov kev tiv thaiv corrosion thiab kev pab cuam lub neej. Nws yog dav siv nyob rau hauv kev tsim cov txheej txheem ntawm cov txheej txheem xws li architectural coatings, automotive coatings, thiab anti-corrosion txheej.
Hauv kev lag luam tus cwj mem, 3,5-bis trifluoromethyl bromobenzene tuaj yeem siv los ua tus number case additive. Nws tuaj yeem cuam tshuam nrog cov pab pawg nquag hauv tus cwj mem, txhim kho rheological zog thiab ruaj khov ntawm tus number case. Los ntawm kev ntxiv qhov tsim nyog ntawm 3,5-bis trifluoromethyl bromobenzene, viscosity ntawm tus number case yuav raug txo, ua kom yooj yim rau luam thiab siv. Ntxiv rau,Tom ntej: 3.5-Bis (trifluoromethyl) bromobenzenetuaj yeem txhim kho UV tiv thaiv thiab huab cua tiv thaiv ntawm tus number case, txhim kho nws cov adhesion thiab kev sib txhuam tsis kam. Nws yog dav siv nyob rau hauv kev tsim cov txheej txheem ntawm luam ntawv number case thiab txheej number case.
Dab tsi yog qhov cuam tshuam ntawm cov tshuaj no?
Ua paug rau ib puag ncig
Dej muaj kuab paug:
Cov tshuaj no muaj kev phom sij rau lub cev dej. Thaum xau, nws tuaj yeem paug cov dej hauv av, dej saum npoo av, thiab cov dej nyob ib puag ncig, cuam tshuam rau cov dej zoo thiab ib puag ncig ecological.
Av muaj kuab paug:
Yog tias cov khoom xau nkag mus rau hauv av, lawv yuav ua rau muaj kuab paug, cuam tshuam rau av fertility thiab kev loj hlob ntawm cov nroj tsuag.
Muaj peev xwm txaus ntshai rau tib neeg kev noj qab haus huv
Kev khaus khaus:
Cov tshuaj no ua rau khaus khaus thiab ua rau khaus rau ntawm qhov muag, tawv nqaij, thiab ua pa, ua rau cov tsos mob xws li liab, o, mob, thiab ua pa nyuaj.
Muaj peev xwm toxicity:
Txawm hais tias cov ntaub ntawv tshwj xeeb toxicity tej zaum yuav tsis muaj, qhov ntev - raug los yog kev sib cuag nrog cov tshuaj no tej zaum yuav muaj kev phom sij rau tib neeg noj qab haus huv.
Carcinogenic Risk:
Qee cov organic tebchaw yog carcinogenic, txawm hais tias lawv qhov tshwj xeeb carcinogenicity tseem tsis tau paub meej, ntev - raug cuam tshuam tuaj yeem ua rau muaj kev pheej hmoo mob qog noj ntshav.
Kev ceev faj txog kev nyab xeeb
Leakage tuav:
Thaum muaj qhov xau, yuav tsum ntsuas tam sim ntawd kom tsis txhob muaj kuab paug nkag mus rau hauv dej, av, lossis huab cua. Cov ntaub ntawv tsis zoo xws li xuab zeb thiab cov pa roj carbon activated tuaj yeem siv los nqus cov khoom xau thiab hloov mus rau qhov chaw nyab xeeb rau kev pov tseg.
Kev tiv thaiv tus kheej:
Thaum tuav lossis nkag mus rau hauv cov khoom, cov khoom siv tiv thaiv tus kheej tsim nyog xws li tsom iav, hnab looj tes, lub qhov ncauj qhov ntswg, thiab lwm yam yuav tsum tau hnav kom txo tau qhov khaus thiab raug mob rau lub qhov muag, tawv nqaij, thiab ua pa.
Cia thiab thauj:
Nws yuav tsum tau muab cia rau hauv qhov chaw txias, qhov cua, thiab qhov chaw qhuav, deb ntawm qhov hluav taws kub thiab cua sov. Thaum lub sij hawm kev thauj mus los, nws yog ib qho tsim nyog yuav tsum xyuas kom meej tias cov ntim khoom tsis zoo thiab kaw kom tsis txhob muaj kev sib kis thiab kev sib kis.
Lwm yam kev ceev faj
Kev saib xyuas ib puag ncig:
Thaum siv cov khoom no, kev saib xyuas ib puag ncig ntawm huab cua zoo, dej zoo, thiab av zoo yuav tsum tau ua kom paub sai thiab daws teeb meem muaj kuab paug.
Ua raws li cov cai:
Cov kev cai lij choj hauv tebchaws, cov cai, thiab cov qauv tsim nyog yuav tsum tau ua kom muaj kev nyab xeeb thiab ua raws li kev siv cov khoom siv.
Lwm yam kev ceev faj
Leaking extinguishing agent:
Tshem tawm cov hluav taws nrog dej pos huab, hmoov qhuav, ua npuas ncauj lossis carbon dioxide extinguishing tus neeg sawv cev.
Tsis txhob siv dej ncaj qha los tua hluav taws. Cov dej ncaj qha tam sim no tuaj yeem ua rau cov kua hluav taws kub hnyiab thiab kis hluav taws.
Kev ceev faj thiab kev tiv thaiv kev tua hluav taws:
Cov neeg tua hluav taws yuav tsum hnav lub tshuab ua pa thiab lub cev tag nrho cov khaub ncaws tua hluav taws kom tua hluav taws nyob rau hauv qhov siab.
Tshem lub thawv los ntawm qhov chaw tua hluav taws mus rau qhov chaw qhib kom deb li deb tau.
Yog hais tias lub thawv nyob rau hauv qhov chaw tua hluav taws tau hloov xim los yog ua suab nrov los ntawm cov cuab yeej tiv thaiv kev ruaj ntseg, nws yuav tsum tau khiav tawm tam sim ntawd.
Cais qhov chaw sib tsoo thiab txwv tsis pub cov neeg ua haujlwm nkag mus. Sau thiab kho cov dej tua hluav taws kom tsis txhob muaj kuab paug ib puag ncig.
Kev ceev faj rau kev ua haujlwm:
Cov neeg ua haujlwm yuav tsum tau txais kev cob qhia tshwj xeeb thiab ua raws li cov txheej txheem ua haujlwm.
Kev ua haujlwm thiab pov tseg yuav tsum tau ua nyob rau hauv qhov chaw uas muaj qhov cua hauv zos lossis cov chaw ua pa dav dav.
Tsis txhob kov qhov muag thiab tawv nqaij, thiab tsis txhob nqus pa.
Khaws kom deb ntawm qhov hluav taws kub thiab qhov chaw kub. Kev haus luam yeeb yog txwv tsis pub nyob hauv chaw ua haujlwm.
Siv tawg- pov thawj qhov cua thiab khoom siv.
Yog tias yuav tsum tau Canning, tus nqi ntws yuav tsum tau tswj, thiab yuav tsum muaj cov cuab yeej siv hauv av kom tsis txhob muaj cov hluav taws xob zoo li qub.
Tsis txhob kov cov khoom txwv tsis pub xws li oxidants.
Ua tib zoo saib xyuas kom tsis txhob muaj pob thiab ntim khoom puas.
Cov thawv ntim khoom pov tseg tuaj yeem tso cov khoom tsis zoo.
Ntxuav koj txhais tes tom qab siv thiab tsis txhob noj hauv qhov chaw ua haujlwm.
Nruab nrog ntau yam sib xws thiab qhov ntau ntawm cov hluav taws kub - cov khoom siv sib ntaus sib tua thiab cov khoom siv kho mob thaum muaj xwm ceev.
Kev ceev faj cia:
Khaws nyob rau hauv ib lub warehouse txias thiab ventilated.
Nws yuav tsum tau muab cais los ntawm oxidants thiab edible tshuaj, thiab yuav tsum tsis txhob tov.
Khaws lub thawv kaw.
Khaws kom deb ntawm qhov hluav taws kub thiab qhov chaw kub.
Cov cuab yeej tiv thaiv xob laim yuav tsum tau muab tso rau hauv lub warehouse.
Lub tshuab tso pa yuav tsum tau nruab nrog cov cuab yeej siv hauv av los ua thiab tshem tawm hluav taws xob zoo li qub.
Kev tawg pov thawj teeb pom kev zoo thiab qhov cua tau txais yuav.
Nws yog txwv tsis pub siv cov cuab yeej thiab cov cuab yeej uas yooj yim los tsim cov txim taws.
Lub chaw cia khoom yuav tsum tau nruab nrog cov khoom siv kho mob thaum muaj xwm txheej ceev thiab cov ntaub ntawv tsim nyog.
Cim npe nrov: 3.5-bis (trifluoromethyl) bromobenzene cas 328-70-1, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, yuav, nqe, tej, kev muag khoom