iphepha_ibhena

imveliso

2-(Trifluoromethyl)benzoic acid (CAS# 433-97-6)

Ipropati yeMichiza:

Ifomula yeemolekyuli C8H5F3O2
IMisa yeMolar 190.12
Ukuxinana 3.375g/mLat 25°C(lit.)
Indawo yokunyibilika 107-110°C(lit.)
Indawo yeBoling 247°C753mm Hg(lit.)
Indawo yokuflasha 247-254°C
Ukunyibilika kwamanzi 4.8g/L(25 ºC)
Uxinzelelo loMphunga 507mmHg ku-25°C
Imbonakalo Okumhlophe okuqinileyo
Umbala Kancinci tyheli ukuya kumthubi-mdaka
I-BRN 976984
pKa 3.20±0.36(Kuxelwe kwangaphambili)
Imeko yoGcino Itywinwe kwindawo eyomileyo, yoBubushushu beGumbi
Refractive Index 1.307
MDL MFCD00002476
IiPropati zoMzimba kunye nezeMichiza I-O-trifluoromethylbenzoic acid yinto eqinileyo emhlophe, m. P. 109-113 °c, BP 247 °c/0.1 MPa, ayinyibiliki kakuhle emanzini, inyibilika ngokulula kwizinyibilikisi zezinto eziphilayo.

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iikhowudi zoMngcipheko I-R20/22 – Iyingozi ngokuphefumla kwaye ukuba iginywe.
R51/53 – Ityhefu kwizinto eziphila emanzini, inokubangela iziphumo ezibi zexesha elide kwindawo ehlala emanzini.
R36/37/38 – Ukucaphuka kwamehlo, inkqubo yokuphefumla kunye nolusu.
Inkcazelo yoKhuseleko S61 –Kuphephe ukukhutshelwa kokusingqongileyo. Jonga kwimiyalelo ekhethekileyo / kumaphepha edatha yokhuseleko.
S36 – Nxiba iimpahla ezifanelekileyo ezikhuselayo.
S26 – Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango.
Izazisi ze-UN UN 1549 6.1/PG 3
WGK eJamani 2
FLUKA BRAND F IIKHOWUDI 1-10
Ikhowudi ye-HS 29163990
IKlasi yeeNgozi OKUTHUMEKAYO

 

Intshayelelo

I-O-trifluoromethylbenzoic acid yi-organic compound. Oku kulandelayo sintshayelelo kwiipropati zayo, ukusetyenziswa, iindlela zokuvelisa kunye nolwazi lokhuseleko:

 

Umgangatho:

- Ukubonakala: I-O-trifluoromethylbenzoic acid i-crystal emhlophe okanye i-crystalline powder.

- Ukunyibilika: Inyibilika kwizinyibilikisi zendalo ezifana ne-ethanol kunye ne-ethers, kodwa ayinyibiliki emanzini.

- Ukuzinza: Izinzile kwiqondo lokushisa, kodwa ingaba yingozi xa ibonakaliswe kubushushu okanye i-oxidizing agents ezinamandla.

 

Sebenzisa:

- I-O-trifluoromethylbenzoic acid idla ngokusetyenziswa njengento ebalulekileyo ephakathi kwi-organic synthesis.

Inokusetyenziswa njenge-photosensitizer, i-photopolymerizer, kunye ne-initiator ye-polymerization reaction.

 

Indlela:

- Ukulungiswa kwe-o-trifluoromethylbenzoic acid ngokuqhelekileyo iqala kwi-o-cresol. I-Ph-benzophenol ithathwa kunye ne-trifluorocarboxylic anhydride ukwenza i-o-trifluoromethylbenzoyl fluoride. Emva koko, i-o-trifluoromethylbenzoyl fluoride esiphumo iphendulwa kunye ne-lye ukwenza i-o-trifluoromethylbenzoic acid.

 

Ulwazi ngoKhuseleko:

- I-O-trifluoromethylbenzoic acid kufuneka igcinwe kwindawo eyomileyo, epholileyo, kwindawo enomoya.

- Nxiba izixhobo ezifanelekileyo zokukhusela, kuquka iindondo, iiglavu, kunye nesikhuselo sobuso.

- Kuphephe ukuphefumla, ukungeniswa, okanye ukudibana kwesikhumba, kwaye uhlambe kwangoko xa udibana nengozi.

- Inokuba yingozi kwimo engqongileyo, kufuneka kuthathelwe ingqalelo ukuphatha ngokufanelekileyo kunye nokulahla inkunkuma.

- Ngolwazi oluthe vetshe ngokhuseleko, nceda ubhekisele kwiPhepha leDatha loKhuseleko oluthile.


  • Ngaphambili:
  • Okulandelayo:

  • Bhala umyalezo wakho apha kwaye uwuthumele kuthi