3 4-Difluorotoluene (CAS# 2927-34-6)
| Iimpawu ezinobungozi | F – Inokutsha |
| Iikhowudi zoMngcipheko | I-10 - inokutsha |
| Inkcazelo yoKhuseleko | S16 – Gcina kude kwimithombo yomlilo. S29 – Musa ukuthulula kwimisele yamanzi. S33 -Thatha amanyathelo okhuseleko ngokuchasene nokukhutshwa okungatshintshiyo. |
| Izazisi ze-UN | UN 1993 3/PG 3 |
| WGK eJamani | 3 |
| Ikhowudi ye-HS | 29039990 |
| Inqaku Lengozi | Ukutsha |
| IKlasi yeeNgozi | 3 |
| Iqela lokuPakisha | II |
Intshayelelo
I-3,4-difluorotoluene i-organic compound kunye ne-chemical formula C7H6F2. Lulwelo olungenambala nevumba elimnandi elikhethekileyo. Oku kulandelayo yinkcazo eneenkcukacha yendalo, ukusetyenziswa, ukulungiswa kunye nolwazi lokhuseleko lwe-3,4-difluorotoluene:
Indalo:
-Imbonakalo: ulwelo olungenambala
-Incasa: Ivumba elimnandi elikhethekileyo
-Indawo yokubila: 96-97 ° C
-Ubuninzi: 1.145g/cm³
-Ukunyibilika: Ayinyibiliki emanzini, inyibilika kwizinyibilikisi zendalo
Sebenzisa:
-3,4-difluorotoluene ingasetyenziselwa njengento ebalulekileyo ephakathi kwi-organic synthesis.
-Ingasetyenziselwa ukudibanisa iziyobisi, idayi, i-pesticides kunye nezinye iikhemikhali.
-Isenokusetyenziswa njengemathiriyeli ekrwada kwizinto zombane.
Indlela:
I-3,4-difluorotoluene ineendlela ezininzi zokulungiselela, eyona nto ixhaphakileyo ifunyenwe ngokunciphisa i-hydrogenation reaction ye-p-nitrotoluene. Amanyathelo athile ngala:
1. Okokuqala, i-P-nitrotoluene isabela nge-iron engaphezulu kwe-diammonium sulfate ukufumana i-p-nitrotoluene ye-iron diammonium ityuwa.
2. I-Hydrogen yongezwa, kwaye i-p-nitrotoluene yensimbi ye-diammonium ityuwa ixhomekeke kwi-reaction reaction yokunciphisa phambi kwe-iron catalyst.
3. Ekugqibeleni, i-3,4-difluorotoluene yahlanjululwa nge-distillation.
Ulwazi ngoKhuseleko:
-3,4-difluorotoluene ngokuqhelekileyo ithathwa njengento ekhuselekileyo phantsi kweemeko eziqhelekileyo zokusetyenziswa. Nangona kunjalo, kuseyimfuneko ukuthobela iinkqubo ezifanelekileyo zokhuseleko.
-Ilulwelo olunokutsha kwaye kufuneka luphephe ukudibana nomlilo kunye nobushushu obuphezulu.
-Iiglavu ezifanelekileyo zokukhusela, izibuko kunye nempahla yokukhusela iyacetyiswa ukuba isetyenziswe kunye nokuphathwa.
-Zigcine kude nokutya, amanzi kunye nokufikelela kwabantwana.
-Xa kwenzeka ukuvezwa ngengozi okanye ukugwinya ngengozi, funa uncedo lwezonyango ngokukhawuleza kwaye ubonise ilebula yemveliso okanye isitya kumnikezeli wezempilo.
