4-Chloro-2-fluorobenzonitrile, dawb mus ze li dawb crystalline tsos, molecular mis C7H3ClFN, refractive index 1.537, LogP tus nqi 2.4, molecular hnyav 155.56. Nyob rau hauv chav tsev kub, cov khoom no tsis tshua muaj volatility, tsis yooj yim vaporized, tsis yooj yim soluble hauv dej, thiab yog lipophilic. Nws tseem yuav tsum tau muab kaw thiab khaws cia rau hauv qhov chaw txias, qhuav. Nws yog siv los ua ib qho nruab nrab hauv cov tshuaj, tshuaj tua kab, thiab cov ntaub ntawv siv lead ua kua. Nrog rau kev txhim kho txuas ntxiv ntawm kev tshawb fawb thiab thev naus laus zis thiab kev nkag siab tob ntawm tib neeg txoj kev nkag siab ntawm cov khoom sib txuas, daim ntawv thov teb ntawm cov khoom yuav nthuav dav ntxiv. Nyob rau hauv lub neej yav tom ntej, peb tuaj yeem tos ntsoov pom qhov tshwm sim ntawm cov khoom lag luam hauv ntau qhov chaw xws li lub zog tshiab, kev tiv thaiv ib puag ncig, thiab biotechnology.
|
|
|
|
Tshuaj Formula |
C7H3FN |
|
Exact Mass |
130 |
|
Molecular Luj |
130 |
|
m/z |
155 (100.0%), 157 (32.0%), 156 (7.6%), 158 (2.4%) |
|
Elemental Analysis |
C, 54,05; H, 1,94; 22,79; Sib. F, 12.21; NOS, 9.00 Nws |
4-Chloro-2-fluorobenzonitrile, raws li ib qho tseem ceeb ntawm cov organic tebchaw, tau qhia dav siv tus nqi hauv ntau yam xws li chemistry, tshuaj, tshuaj tua kab, thiab cov ntaub ntawv tshawb fawb.
Kev siv tshuaj tua kab
Tshuaj tua kab:
tuaj yeem siv los tsim cov tshuaj tua kab uas muaj txiaj ntsig thiab tsis muaj tshuaj lom. Cov tshuaj tua kab no ua tiav lub hom phiaj ntawm kev tswj kab tsuag los ntawm kev puas tsuaj rau lub paj hlwb ntawm cov kab tsuag lossis cuam tshuam nrog lawv cov txheej txheem metabolic. Piv nrog rau cov tshuaj tua kab ib txwm muaj, cov tshuaj tua kab tshiab no muaj kev xaiv ntau dua thiab qis dua toxicity, thiab muaj kev cuam tshuam tsawg rau ib puag ncig thiab tib neeg kev noj qab haus huv.
Cov tshuaj tua kab mob:
Ntxiv nrog rau kev siv tshuaj tua kab, lawv tuaj yeem siv los ua cov tshuaj fungicides. Cov fungicides no muaj kev tswj hwm zoo ntawm ntau yam kab mob nroj tsuag thiab tuaj yeem siv los tiv thaiv cov qoob loo los ntawm kev puas tsuaj.
Daim ntawv thov hauv kev kho mob
KF-31327 tshuaj synthesis
Nyob rau hauv tus txheej txheem ntawm synthesizing KF-31327 tshuaj, nws ua hauj lwm raws li ib tug ntawm cov pib cov ntaub ntawv thiab condenses nrog ethyl isonicotate los tsim piperidino benzonitrile. Tom qab ntawd, nws tau dhau los ua cov kauj ruam ntawm cov tshuaj tiv thaiv xws li txo qis, nitration, thiab chlorination kom ua tiav cov hom phiaj tshuaj KF-31327.
Crisaborole nruab nrab
Cov tshuaj no kuj yog siv los ua ib qho nruab nrab hauv kev sib xyaw ntawm Crisaborole tshuaj. Crisaborole yog tshuaj siv los kho eczema.
Daim ntawv thov nyob rau hauv daim teb ntawm cov khoom siv lead ua kua
Kev loj hlob ntawm fluorinated kua Crystal Materials
Fluorinated kua siv lead ua cov ntaub ntawv muaj txiaj ntsig zoo rau lawv cov khoom tshwj xeeb, thiab kev qhia txog fluorine atoms tuaj yeem txhim kho kev ua haujlwm ntawm cov khoom siv lead ua kua. Kev tshawb fawb tau pom tias qhov kev hloov pauv ntawm fluorine atoms hauv cov kua siv lead ua kua tuaj yeem txhim kho cov khoom tseem ceeb xws li theem hloov pauv kub, dielectric anisotropy, birefringence, thiab viscosity ntawm cov khoom siv lead ua kua.
Daim ntawv thov nyob rau hauv siab - ua tau zoo LCD zaub
Txoj haujlwm tsim nyog ntawm fluorine hloov cov kua siv lead ua kua molecules tuaj yeem txhim kho kev ua tau zoo ntawm cov kua siv lead ua kua thiab ua tau raws li cov kev xav tau ntawm siab -cov kua siv lead ua kua ua tau zoo. Cov kev txhim kho kev ua tau zoo no yog qhov tseem ceeb rau siab -kev ua tau zoo tso saib technologies xws li active matrix kua siv lead ua zaub (AM-LCD).
Polymer stabilized kua siv lead ua khoom
Hauv cov khoom siv polymer stabilized kua siv lead ua (PSLC),4-chloro-2-fluorobenzonitriletuaj yeem koom ua ib qho monomer lossis nruab nrab hauv kev tsim ntawm cov tes hauj lwm polymer, cuam tshuam rau kev ruaj ntseg thiab optoelectronic cov khoom ntawm cov khoom siv lead ua kua. Kev tsim ntawm cov tes hauj lwm polymer tuaj yeem txhim kho kev ruaj ntseg ntawm cov ntaub ntawv siv lead ua kua thiab txhim kho lawv cov khoom optoelectronic.
Blue theem kua siv lead ua kua (BPLC) khoom
Nws tuaj yeem ua lub luag haujlwm hauv kev sib txuas ntawm xiav theem ua kua siv lead ua cov ntaub ntawv, vim tias xiav theem kua siv lead ua kua muaj qhov zoo xws li cov lus teb sub millisecond, nws tus kheej- cov khoom sib dhos, thiab qhov pom dav dav, thiab cov khoom siv polymer tuaj yeem nthuav dav qhov kub thiab txias ntawm xiav theem kua muaju, ua rau lawv ruaj khov ntawm chav sov.
Fluorination cov tshuaj tiv thaiv yog cov tshuaj tiv thaiv muaj zog uas yuav tsum tau ua raws li kev sim nruj heev. Thaum lub sij hawm kev sim, yuav tsum tau them nyiaj rau kev nyab xeeb kom tsis txhob muaj qhov to thiab txaws ntawm fluorinating reagents.
Kev xaiv cov tshuaj fluorination reagents yuav tsum tau txiav txim siab raws li cov xwm txheej tshwj xeeb thiab cov kev xav tau, thiab cov tshuaj fluorination sib txawv muaj cov tshuaj tiv thaiv sib txawv thiab kev xaiv.
Thaum cov txheej txheem tshuaj tiv thaiv, kev saib xyuas yuav tsum tau them rau kev tswj qhov kub thiab txias kom tsis txhob muaj kev cuam tshuam ntawm qhov kub thiab txias ntawm cov tshuaj tiv thaiv.
Thaum ntxuav cov khoom, yuav tsum tau them nyiaj rau kev nyab xeeb ntawm kev ua haujlwm thiab tsis txhob sib cuag nrog cov oxidants muaj zog, acids, bases, thiab lwm yam khoom.
Txawm hais tias cov txheej txheem synthesis raws li fluorination ncaj qha tau ua tiav zoo4-chloro-2-fluorobenzonitrile, tseem muaj qee qhov chaw uas tuaj yeem ua kom zoo thiab txhim kho. Nov yog qee qhov ua tau kom ua tau zoo thiab txhim kho cov lus qhia:
Xaiv cov tshuaj fluorination zoo dua:
Los ntawm kev tshuaj ntsuam thiab sib piv sib txawv fluorination reagents, xaiv fluorination reagents nrog ntau dua reactivity thiab selectivity tuaj yeem txhim kho qhov ua tau zoo ntawm cov tshuaj tiv thaiv thiab cov purity ntawm cov khoom.
Optimizing tshuaj tiv thaiv tej yam kev mob:
Los ntawm kev kho cov tshuaj tiv thaiv xws li qhov kub thiab txias, lub sijhawm, thiab hom hnyav, cov txheej txheem tshuaj tiv thaiv tuaj yeem ua kom zoo dua ntxiv los txhim kho cov txiaj ntsig thiab cov khoom zoo.
Taw qhia catalysts:
Kev nthuav qhia cov catalysts tsim nyog rau hauv cov tshuaj tiv thaiv tuaj yeem txo qhov ua kom lub zog ntawm cov tshuaj tiv thaiv, txhim kho cov tshuaj tiv thaiv tus nqi thiab cov khoom xaiv.
Txhim kho txoj kev purification:
Los ntawm kev txhim kho purification txoj kev, xws li siv ntau npaum li cas chromatographic sib cais cov tswv yim los yog crystallization txoj kev, lub purity thiab zoo ntawm cov khoom yuav tsum tau ntxiv txhim kho.
Kev nyab xeeb thiab kev nyab xeeb yog dab tsi?
1. Kev phom sij
- Mob toxicity (qhov ncauj): belongs rau qib 3, uas txhais tau hais tias nqos tau ua rau lom.
- Cov tawv nqaij corrosion / khaus: belongs rau qib 2, qhia tias cov khoom yuav ua rau tawv nqaij khaus.
- Kev puas tsuaj loj / qhov muag khaus: Muaj nyob rau hauv Chav Kawm 2A, qhia tias cov khoom muaj qhov ua rau mob hnyav rau ntawm qhov muag.
2. Kev puas tsuaj ib puag ncig
Tsis yog cais tshwj xeeb, tab sis raws li nws muaj peev xwm toxicity rau cov kab mob hauv dej, nws yuav tsum raug xam tias muaj kev phom sij rau ib puag ncig.
3. Kev phom sij rau lub cev
Tsis tau cais, tab sis cov khoom yuav decompose thiab tsim cov pa luam yeeb thaum kub hnyiab los yog kub, nrog rau cov khoom puas tsuaj xws li carbon monoxide, carbon dioxide, nitrogen oxides (NOx), hydrogen fluoride, hydrogen chloride, thiab cyanide.
4.GHS tag element
Icon lossis cov cim phom sij, cov lus cim "kev phom sij", cov lus piav qhia tshwj xeeb muaj kev phom sij suav nrog kev lom yog nqos, ua rau tawv nqaij khaus, thiab ua rau qhov muag khaus loj.
5. Cov lus qhia tiv thaiv
Tsis txhob noj, haus lossis haus luam yeeb thaum siv cov khoom no. Ntxuav koj ob txhais tes kom huv si tom qab tuav. Hnav hnab looj tes tiv thaiv / tsom iav / qhov ncauj qhov ntswg.
6.Thawj-kev pab ntsuas
Qhov no suav nrog kev hu xov tooj rau lub chaw detoxification / kws kho mob tam sim ntawd tom qab noj, ua tib zoo ntxuav nrog dej li ob peb feeb tom qab qhov muag, thiab maj mam ntxuav nrog xab npum thiab dej ntau tom qab sib cuag ntawm daim tawv nqaij.
7. Cia tej yam kev mob
Qhov chaw cia khoom yuav tsum raug kaw, lub thawv yuav tsum muab kaw, thiab khaws cia rau hauv qhov chaw txias, tsaus nti kom deb ntawm cov khoom siv tsis sib xws xws li oxidants.
8. Kev pov tseg pov tseg
Raws li tsoomfwv cov cai tswjfwm hauv nroog, xa cov khoom / ntim khoom rau cov chaw pov tseg pov tseg.
9. Cov ntaub ntawv thauj mus los
Lub tebchaws United Nations cais nws raws li thawj cov tshuaj lom neeg, nrog rau UN tus lej 3439, thiab lub npe thauj khoom yog "Nitrile, Solid, Toxic, tsis tau teev tseg". Qib ntim yog III.
1. Kev lag luam xav tau kev loj hlob
Nrog rau kev txhim kho txuas ntxiv ntawm kev lag luam thoob ntiaj teb thiab kev nce qib hauv kev siv thev naus laus zis, qhov kev thov rau siab - cov ntaub ntawv ua tau zoo, cov tshuaj tshiab, thiab cov tshuaj tua kab zoo ib puag ncig tau nce zuj zus ib hnub. Raws li ib qho ntawm cov ntaub ntawv tseem ceeb rau kev sib txuas cov khoom lag luam, kev lag luam xav tau rau cov khoom no tau qhia txog kev loj hlob tsis tu ncua. Tshwj xeeb tshaj yog nyob rau hauv kev lag luam tshuaj thiab tshuaj tua kab, vim nws cov qauv tshuaj lom neeg tshwj xeeb thiab kev ua haujlwm lom neeg, nws tau dhau los ua qhov tseem ceeb nruab nrab rau kev tsim cov tshuaj tshiab thiab tshuaj tua kab.
2.Kev nthuav dav ntawm thaj chaw thov
- Hauv kev lag luam tshuaj, nws tuaj yeem siv los tsim cov tshuaj sib xyaw nrog cov tshuaj tshwj xeeb, xws li tshuaj tiv thaiv -cov tshuaj tiv thaiv kab mob, tshuaj tua kab mob, thiab lwm yam. Nrog rau kev mob siab rau cov teeb meem kev noj qab haus huv, qhov kev thov rau cov tshuaj tshiab yog nce ntxiv, uas yuav muab qhov chaw dav dav rau lawv daim ntawv thov hauv kev lag luam tshuaj.
- Tshuaj tua kab: Nws tuaj yeem siv los ua kom muaj txiaj ntsig zoo, tsis muaj tshuaj lom, thiab cov khoom siv tshuaj tua kab ib puag ncig. Nrog rau kev thov thoob ntiaj teb ntau ntxiv rau tshuaj tua kab kev nyab xeeb thiab kev tiv thaiv ib puag ncig, cov khoom siv tshuaj tua kab ib txwm tau maj mam ua ntu zus, thiab kev lag luam xav tau cov khoom siv tshuaj tua kab tshiab tau loj hlob tas li. Yog li ntawd, daim ntawv thov ntawm 4-chloro-2-fluorobenzonitrile nyob rau hauv lub teb ntawm cov tshuaj tua kab kuj yuav muaj ib tug dav kev ua lag luam prospects.
- Hauv kev lag luam dyes thiab cov ntaub ntawv tshawb fawb, nws kuj tuaj yeem siv los ua kom muaj kev sib tw siab - cov khoom siv dyes thiab cov ntaub ntawv, xws li fluorescent dyes, kua siv lead ua kua, thiab lwm yam. Cov ntaub ntawv no muaj txiaj ntsig zoo hauv kev lag luam xws li cov ntaub ntawv hluav taws xob thiab cov khoom siv hluav taws xob, thiab yog li ntawd lawv cov ntawv thov hauv cov cheeb tsam no yuav nthuav dav ntxiv.
3.Technological Innovation thiab Industrial Upgrading
Nrog rau kev txhim kho txuas ntxiv ntawm thev naus laus zis, cov cuab yeej tsim khoom ntawm cov khoom siv no tseem yuav txuas ntxiv mus rau kev tsim kho tshiab thiab hloov kho tshiab. Los ntawm optimizing cov txheej txheem ntau lawm, txhim kho kev tsim khoom thiab cov khoom zoo, cov nqi tsim khoom tuaj yeem txo qis ntxiv thiab kev lag luam kev sib tw tuaj yeem txhim kho. Nyob rau tib lub sijhawm, ntxiv dag zog rau kev sib koom tes nrog lwm cov kev lag luam thiab txhawb kev sib raug zoo ntawm cov dej ntws thiab cov dej ntws ntawm cov khoom lag luam yuav pab tsim kom muaj kev lag luam tiav thiab pawg, thiab txhawb txoj kev loj hlob ntawm nws cov kev lag luam.
Kev Tiv Thaiv thiab Tswj Cov Tswv Yim
Engineering tswj
Kev ua haujlwm kaw: Siv nyob rau hauv fume hoods los yog lub chaw soj nstuam tsis zoo los txo cov plua plav dispersion.
Cov pa tawm hauv zos: Txhim kho cov pa tawm kom ntseeg tau tias qhov concentration ntawm cov khoom phom sij hauv huab cua ntawm thaj chaw ua haujlwm yog qis dua qhov txwv kev ua haujlwm (OEL).
Cov cuab yeej siv tshuab hluav taws xob: siv cov cuab yeej siv hluav taws xob lossis cov cuab yeej siv hluav taws xob ua haujlwm kom txo tau kev sib cuag ncaj qha ntawm cov neeg ua haujlwm.
Cov khoom siv tiv thaiv tus kheej (PPE)
Kev tiv thaiv ua pa: Hnav N95 daim npog ntsej muag lossis ib nrab lub ntsej muag roj (nrog rau lub thawv lim dej).
Kev tiv thaiv daim tawv nqaij: Hnav hnab looj tes nitrile, hnab looj tes, thiab tsom iav tiv thaiv, thiab yog tias tsim nyog, siv cov tshuaj tiv thaiv apron.
Kev tiv thaiv qhov muag: Hnav cov tsom iav qhov muag kom tsis txhob muaj kua dej los ntawm kev sib tsoo.
Cov qauv kev ua haujlwm thiab kev cob qhia
Txheej txheem txheej txheem: Tsim SOP kom paub meej txog kev ceev faj rau qhov hnyav, kev sib cais, cia, thiab lwm yam txheej txheem.
Kev cob qhia tsis tu ncua: Muab kev cob qhia kev nyab xeeb rau cov neeg ua haujlwm, suav nrog kev ntsuas kev pabcuam thawj zaug thiab kev xyaum ua haujlwm xwm txheej ceev.
Kev ceeb toom txog kev pheej hmoo: Tshaj tawm cov cim ceeb toom hauv chav kuaj, qhia txog kev mob toxicity thiab kev tiv thaiv.
Kev tswj hwm xwm ceev
Cov khoom siv thaum muaj xwm ceev: nruab nrog qhov chaw ntxuav qhov muag, cov khoom siv da dej thaum muaj xwm ceev, cov khoom nqus dej (xws li silicone), thiab cov tua hluav taws.
Kev kho cov dej xau: Npog me me - cov dej xau nrog cov xuab zeb thiab sau lawv thiab muab pov tseg raws li cov pov tseg txaus ntshai; Kev xau loj loj yuav tsum tau khiav tawm ntawm cov neeg ua haujlwm thiab tiv tauj nrog cov koom haum tshaj lij los tuav.
Kev sib koom tes kho mob: Tsim kom muaj ib qho chaw ntsuab nrog cov tsev kho mob nyob ze kom paub meej tias kev kho mob raws sij hawm ntawm cov mob hnyav.
Cim npe nrov: 4-chloro-2-fluorobenzonitrile cas 57381-51-8, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, yuav, nqe, tej, kev muag khoom