isibhengezo_sekhasi

umkhiqizo

4-(Trifluoromethoxy)benzoic acid (CAS# 330-12-1)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C8H5F3O3
I-Molar Mass 206.12
Ukuminyana 1.4251 (isilinganiso)
I-Melting Point 150-154°C(lit.)
I-Boling Point 203°C (isilinganiso esinzima)
I-Flash Point 93°C
Ukuncibilika I-Chloroform, iMethanol
I-Vapor Presure 0.0373mmHg ku-25°C
Ukubukeka Impushana
Umbala Okumhlophe kuya kukhilimu
I-BRN 977356
pKa 3.85±0.10(Okubikezelwe)
Isimo Sesitoreji Kuvalwe endaweni eyomile, Ngezinga lokushisa Legumbi
I-Refractive Index 1.478
I-MDL I-MFCD00002541

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi Xi - Irritant
Amakhodi Engozi 36/37/38 - Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S36 – Gqoka izingubo ezifanele zokuzivikela.
I-S37/39 – Gqoka amagilavu ​​afanelekile kanye nokuvikela iso/ubuso
I-WGK Germany 3
Ikhodi ye-HS 29189900
I-Hazard Class I-IRRITANT

 

Isingeniso

I-4-(i-Trifluoromethoxy) i-benzoic acid iyinhlanganisela yezinto eziphilayo. Okulandelayo yisingeniso sobunjalo bayo, ukusetshenziswa, indlela yokulungiselela kanye nolwazi lokuphepha:

 

Ikhwalithi:

- Ukubukeka: 4-(trifluoromethoxy)benzoic acid iyikristale eqinile engenambala.

- Ukunyibilika: Kuncibilika kuzincibilikisi zemvelo njenge-ether ne-methylene chloride.

- Ukuzinza: Izinzile ekamelweni lokushisa, kodwa gwema ukuthintana nama-oxidants aqinile.

 

Sebenzisa:

- 4-(trifluoromethoxy)benzoic acid ivamise ukusetshenziswa njenge-reagent ku-organic synthesis reactions.

- Ingasetshenziswa njengeqembu elivikelayo le-trifluoromethoxy lenhlanganisela ye-aldehyde enamakha.

 

Indlela:

- Ziningi izindlela zokulungiselela i-4-(trifluoromethoxy)benzoic acid, futhi enye yezindlela ezivame ukusetshenziswa ukusabela ku-4-hydroxybenzoic acid ne-trifluoromethyl alcohol ukuze kukhiqizwe umkhiqizo oqondiwe.

 

Ulwazi Lokuphepha:

- Uthuli lwe-4-(trifluoromethoxy)benzoic acid lungase lucasule umgudu wokuphefumula namehlo, futhi ukuhogela kanye nokuthintana namehlo kufanele kugwenywe.

- Gqoka okokuvikela okufanele, njengamagilavu ​​nezingubo zamehlo ezivikelayo, lapho usebenza.

- Lapho ugcina futhi uphatha, kufanele kulandelwe indlela efanele yaselabhorethri kanye namamanuwali okuphepha.


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