iphepha_ibhena

imveliso

1-Bromo-2 4-difluorobenzene (CAS# 348-57-2)

Ipropati yeMichiza:

Ifomula yeemolekyuli C6H3BrF2
IMisa yeMolar 192.99
Ukuxinana 1.708 g/mL ku-25 °C (lit.)
Indawo yokunyibilika -4 °C (izibane.)
Indawo yeBoling 145-146 °C (isibane.)
Indawo yokuflasha 125°F
Ukunyibilika kwamanzi AKUNQULISIWE
Uxinzelelo loMphunga 1.94mmHg ku-25°C
Imbonakalo Ulwelo
Ubunzima obuthile 1.708
Umbala Icacile engenambala ukuya kumdaka
I-BRN 1680892
PH 5.02 ku-24℃ kunye ne-10g/L
Imeko yoGcino Itywinwe kwindawo eyomileyo,2-8°C
Refractive Index n20/D 1.505(lit.)
IiPropati zoMzimba kunye nezeMichiza Ubuninzi 1.708
indawo yokunyibilika -4°C
iqondo lokubila lika-145°C
isalathiso se-refractive 1.504-1.506
indawo edanyazayo ngama-51°C
Amanzi anyibilikayo AKUNJALO
Sebenzisa Kumayeza amayeza okanye i-crystal material intermediates

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iikhowudi zoMngcipheko I-R10-Inokutsha
R36/37/38 – Ukucaphuka kwamehlo, inkqubo yokuphefumla kunye nolusu.
Inkcazelo yoKhuseleko S16 – Gcina kude kwimithombo yomlilo.
S26 – Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango.
S36/37/39 – Nxiba iimpahla ezikhuselayo ezifanelekileyo, iiglavu kunye nokhuseleko lwamehlo/ubuso.
I-S37/39 -Nxiba iiglavu ezifanelekileyo kunye nokukhusela amehlo / ubuso
S36 – Nxiba iimpahla ezifanelekileyo ezikhuselayo.
Izazisi ze-UN UN 1993 3/PG 3
WGK eJamani 3
Ikhowudi ye-HS 29036990
Inqaku Lengozi Ukutsha
IKlasi yeeNgozi 3
Iqela lokuPakisha III

 

Intshayelelo

I-2,4-Difluorobromobenzene yi-organic compound. Lulwelo olungenambala ukuya kumthubi oluluthuthu olunevumba elinukayo. Oku kulandelayo yinkcazo eneenkcukacha yezakhiwo, ukusetyenziswa, iindlela zokulungiselela kunye nolwazi lokhuseleko lwe-2,4-difluorobromobenzene:

 

Umgangatho:

I-2,4-Difluorobromobenzene yinto enokutsha enokwenza imixube enokutsha okanye eqhumayo ngomoya. Iyakwazi ukudleka kwezinye iintsimbi.

 

Sebenzisa:

I-2,4-Difluorobromobenzene isetyenziswa ikakhulu njengendawo ephakathi kwi-organic synthesis. Kwintsimi ye-pesticides, isetyenziselwa ukwenza i-insecticide kunye ne-herbicides.

 

Indlela:

I-2,4-Difluorobromobenzene idla ngokulungiswa ngokusabela endaweni. Indlela yokulungisa eqhelekileyo kukusabela i-bromobenzene kunye ne-potassium fluoride phantsi kweemeko ze-acidic ukuvelisa i-2,4-dibromobenzene, kwaye emva koko i-fluorinate phambi kwe-agent e-fluorinating ukufumana i-2,4-difluorobromobenzene.

 

Ulwazi ngoKhuseleko:

I-2,4-Difluorobromobenzene yinto ephilayo enetyhefu ethile. Inomphumela ocaphukisayo esikhumbeni, amehlo, kunye ne-mucous membranes kwaye kufuneka ihlanjululwe ngamanzi ngokukhawuleza emva kokudibanisa. Ukuphefumla imiphunga yayo kufuneka kugwenywe ngexesha lokusetyenziswa kwaye kuqinisekiswe ukungena komoya okwaneleyo. Ngexesha lokugcinwa kunye nokuphatha, kufuneka kuthathelwe ingqalelo ukuphepha ukutshisa kunye nombane ongatshintshiyo. Iinkqubo ezifanelekileyo zokusebenza zokhuseleko kufuneka zilandelwe kwaye izixhobo ezifanelekileyo zokukhusela kufuneka zinxitywe. Xa uphatha i-2,4-difluorobromobenzene, imigaqo yendawo kufuneka ilandelwe kwaye inkunkuma kufuneka ilahlwe ngokufanelekileyo.


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