iphepha_ibhena

imveliso

3-Fluorobenzaldehyde(CAS# 456-48-4)

Ipropati yeMichiza:

Ifomula yeemolekyuli C7H5FO
IMisa yeMolar 124.11
Ukuxinana 1.17g/mLat 25°C(lit.)
Indawo yokunyibilika Ngo-173 C
Indawo yeBoling 66-68°C20mm Hg(lit.)
Indawo yokuflasha 134°F
Ukunyibilika I-Chloroform, iMethanol
Uxinzelelo loMphunga 1.28mmHg ku-25°C
Imbonakalo Ulwelo
Ubunzima obuthile 1.170
Umbala Icacile engenambala ukuya kumthubi
I-BRN 970178
Imeko yoGcino Umoya ongaphakathi,2-8°C
Inovakalelo Ubuthathaka bomoya
Refractive Index n20/D 1.518(lit.)
IiPropati zoMzimba kunye nezeMichiza Indawo yokubilisa ye-66-68 deg C (20mmHg), i-flash point 56 deg C, ukuxinana kwe-1.17.
Sebenzisa Isetyenziswe njenge-pesticide, i-pharmaceutical intermediates

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iikhowudi zoMngcipheko I-R37/38 – Iyacaphukisa inkqubo yokuphefumla kunye nolusu.
R36/37/38 – Ukucaphuka kwamehlo, inkqubo yokuphefumla kunye nolusu.
Inkcazelo yoKhuseleko S24/25-Kuphephe ukudibana nolusu namehlo.
I-S37/39 -Nxiba iiglavu ezifanelekileyo kunye nokukhusela amehlo / ubuso
S26 – Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango.
S36/37/39 – Nxiba iimpahla ezifanelekileyo zokukhusela, iiglavu kunye nokukhusela amehlo/ubuso.
S27 – Khulula ngoko nangoko zonke iimpahla ezosulelekileyo.
Izazisi ze-UN UN 1989 3/PG 3
WGK eJamani 3
I-TSCA T
Ikhowudi ye-HS 29130000
Inqaku Lengozi Ukutsha
IKlasi yeeNgozi 3
Iqela lokuPakisha III

 

Intshayelelo

M-fluorobenzaldehyde. Oku kulandelayo sintshayelelo kwiipropati, ukusetyenziswa, iindlela zokulungiselela kunye nolwazi lokhuseleko lwe-m-fluorobenzaldehyde:

 

Umgangatho:

- Imbonakalo: I-M-fluorobenzaldehyde lulwelo olungenambala okanye olutyheli.

-Ukunyibilika: Inyibilika kwizinyibilikisi eziphilayo ezifana neetha, iialkoholi kunye neealkoholi ze-ether.

 

Sebenzisa:

- I-High-effective insecticides: I-M-fluorobenzaldehyde, njengento ephakathi kwi-organic synthesis, isetyenziswa ngokubanzi kwintsimi yezolimo ukulungiselela i-insecticide ephezulu, njenge-insecticide COFLUOROETHYLENE okanye ezinye izinto eziluhlaza ze-insecticide.

- I-Chemical synthesis: I-M-fluorobenzaldehyde isoloko isetyenziswa njengendawo ephakathi kwi-organic synthesis kwaye ingasetyenziselwa ukulungiselela ezinye iikhompawundi, ezifana ne-m-fluorophenyl oxalate kunye ne-camphor ethanol.

 

Indlela:

- Kukho iindlela ezimbini eziphambili zokulungiselela i-m-fluorobenzaldehyde: indlela ye-fluoride kunye ne-fluorination method. Phakathi kwabo, indlela ye-fluoride ifunyenwe ngokuphendula i-m-fluorophenylmagnesium fluoride kunye ne-formaldehyde; Indlela ye-fluorination ifunyenwe nge-hydrolysis ye-p-toluene kunye ne-antimony trichloride kwi-atmosphere ye-chlorine.

 

Ulwazi ngoKhuseleko:

- Kubaluleke kakhulu ukuba i-m-fluorobenzaldehyde yinto eyityhefu kwaye kufuneka isetyenziswe kwiimeko zokungena umoya kwaye izixhobo ezifanelekileyo zokukhusela kufuneka zinxitywe.

- Ngexesha lokusetyenziswa okanye ukugcinwa, kunqande ukuxubana ne-oxidants eyomeleleyo, utywala kunye nezinye izinto ukuphepha ukuphendula okuyingozi.

- Gcina isikhongozeli sivalwe ngokuqinileyo kwaye kude nomlilo kunye nemithombo yobushushu xa usigcina.


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