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umkhiqizo

I-Methyl 4-fluorobenzoate (CAS# 403-33-8)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C8H7FO2
I-Molar Mass 154.14
Ukuminyana 1.192 g/mL ku-25 °C (okhanyisiwe)
I-Melting Point 4.5 °C
I-Boling Point 90-92 °C/20 mmHg (okhanyisiwe)
I-Flash Point 172°F
Ukuncibilika I-Chloroform (Kancane), i-Methanol (Kancane)
I-Vapor Presure 0.698mmHg ku-25°C
Ukubukeka Amafutha
I-Gravity ethize 1.201.192
Umbala Kucace Okungenambala
I-BRN 2085925
Isimo Sesitoreji Kuvalwe endaweni eyomile, Ngezinga lokushisa Legumbi
I-Refractive Index n20/D 1.494(lit.)
Izakhiwo Zomzimba Nezamakhemikhali Ukuminyana 1.192

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi I-R22 – Iyingozi uma igwinywe
R37/38 – Ukucasula uhlelo lokuphefumula kanye nesikhumba.
R41 – Ingozi yokulimala okubi emehlweni
R36/38 – Ukucasuka emehlweni nasesikhumbeni.
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S36/39 -
S36 – Gqoka izingubo ezifanele zokuzivikela.
I-WGK Germany 2
Ikhodi ye-HS 29163990
Inothi Lengozi Ubuthi
I-Hazard Class I-IRRITANT

 

Isingeniso

I-Methyl fluorobenzoate iyinhlanganisela yezinto eziphilayo. Okulandelayo yisingeniso sezakhiwo, ukusetshenziswa, izindlela zokulungiselela kanye nolwazi lokuphepha lwe-methylparaben:

 

Ikhwalithi:

- Ukubukeka: Uketshezi olungenambala.

- Ukunyibilika: Kuncibilika kuzincibilikisi zemvelo ezifana nama-ether, utshwala nama-ester, okungancibiliki emanzini.

 

Sebenzisa:

- I-Methyl fluorobenzoate ingasetshenziswa njengesithako esibalulekile ku-organic synthesis.

 

Indlela:

- Ziningi izindlela zokwenziwa kwe-methyl fluorobenzoate, futhi indlela evame ukusetshenziswa itholakala ngokusabela kwe-fluororeagent ne-methyl benzoate. Ngokuvamile, i-methyl fluorobenzoate ingatholwa ngokubeka i-fluorobenzene ne-methyl benzoate ngaphansi kwesenzo se-ejenti ye-polycondensation efana ne-Lewis acid (isb, i-aluminium chloride).

 

Ulwazi Lokuphepha:

- I-Methyl fluorobenzoate iyisakhi esiphilayo, futhi kufanele kuthathwe izinyathelo zokuphepha ezilandelayo lapho uyisebenzisa:

- Gwema ukuthintana ngqo nesikhumba namehlo.

- Gwema ukuhogela umhwamuko futhi usebenze ngokungenisa umoya owanele noma ugqoke isivikelo esifanele sokuphefumula.

- Gcina kude nomlilo, amazinga okushisa aphezulu kanye nelanga eliqondile.

- Ngesikhathi sokusebenzisa nokugcina, sicela ubheke imihlahlandlela efanele yokuphatha ukuphepha kanye namaphepha edatha yokuphepha okubalulekile.


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