isibhengezo_sekhasi

umkhiqizo

4-amino-3-(trifluoromethyl)benzonitrile (CAS# 327-74-2)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C8H5F3N2
I-Molar Mass 186.13
Ukuminyana 1.37±0.1 g/cm3(Kubikezelwe)
I-Melting Point 60-63°C
I-Boling Point 100°C 0,1mm
I-Flash Point 100°C/0.1mm
Ukuncibilika I-DMSO (Kancane), i-Methanol (Kancane)
Ukubukeka Okuqinile
Umbala Okumhlophe kuya ku-Light Beige
I-BRN 2970379
pKa -1.41±0.10(Kubikezelwe)
Isimo Sesitoreji Gcina endaweni emnyama, emkhathini ongangeni, izinga lokushisa legumbi
Izakhiwo Zomzimba Nezamakhemikhali Amakristalu amhlophe

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi R23/24/25 – Kunobuthi ngokuhogela, ukuthintana nesikhumba futhi uma ugwinywe.
R36/38 – Ukucasuka emehlweni nasesikhumbeni.
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S36/37/39 – Gqoka izingubo zokuzivikela ezifanele, amagilavu ​​kanye nokuvikela iso/ubuso.
S45 – Uma kwenzeka ingozi noma uzizwa ungaphilile, funa iseluleko sezokwelapha ngokushesha (bonisa ilebula noma nini lapho kunokwenzeka.)
Ama-ID e-UN 3439
Inothi Lengozi Okunobuthi/Okucasulayo
I-Hazard Class 6.1
Iqembu Lokupakisha III

 

Isingeniso

Kuyinhlanganisela yemvelo enefomula yamakhemikhali C8H5F3N2. Okulandelayo ezinye izakhiwo, ukusetshenziswa, ukulungiswa kanye nolwazi lokuphepha mayelana nenhlanganisela:

 

Imvelo:

-Ukubukeka: I-crystalline engenambala eqinile.

-Indawo yokuncibilika: Cishe ku-151-154°C.

-Indawo yokubilisa: cishe ku-305°C.

-I-Solubility: Incibilika uma kuqhathaniswa kuzincibilikisi ze-polar njenge-ethanol, i-chloroform ne-dimethyl sulfoxide.

 

Sebenzisa:

-isetshenziswa njengengxenye emaphakathi ekuhlanganiseni kwezinto eziphilayo ukuze kuhlanganiswe izinhlanganisela ezihlobene.

-Ibuye isetshenziswe njengezinto zokwenziwa zokwenziwa kwezidakamizwa ezilwa nomdlavuza kanye nezibulala-zinambuzane emkhakheni wezokwelapha.

 

Indlela:

Ingahlanganiswa ngezinyathelo ezilandelayo:

1. I-3-cyano-4-trifluoromethylbenzenetonitrile isabela nge-aminobenzene ngaphansi kwezimo ze-alkaline.

2. Ngemuva kokuhlanzwa okufanele kanye nokwelashwa kwe-crystallization, umkhiqizo ohlosiwe utholakala.

 

Ulwazi Lokuphepha:

-Gwema ukuthintana nama-oxidants, ama-asidi aqinile nezisekelo eziqinile ngesikhathi sokugcina nokuphatha.

-Le nhlanganisela ingase ikhiphe amagesi anobuthi lapho ishiswa futhi ishiswa.

-Gqoka izinto zokuzivikela ezifanele njengezibuko namagilavu ​​lapho usebenzisa.


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  • Olandelayo:

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