4,5-Dimethyl thiazole (CAS#3581-91-7)
| Iikhowudi zoMngcipheko | I-R10-Inokutsha I-R22 – Iyingozi xa iginyiwe I-R37/38 – Iyacaphukisa inkqubo yokuphefumla kunye nolusu. I-R41 – Umngcipheko womonakalo omkhulu emehlweni R36/37/38 – Ukucaphuka kwamehlo, inkqubo yokuphefumla kunye nolusu. |
| Inkcazelo yoKhuseleko | S16 – Gcina kude kwimithombo yomlilo. S26 – Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango. S39 –Nxiba ukhuseleko lwamehlo / ubuso. I-S37/39 -Nxiba iiglavu ezifanelekileyo kunye nokukhusela amehlo / ubuso S36/37/39 – Nxiba iimpahla ezifanelekileyo zokukhusela, iiglavu kunye nokukhusela amehlo/ubuso. |
| Izazisi ze-UN | UN 1993 3/PG 3 |
| WGK eJamani | 3 |
| RTECS | XJ4380000 |
| Ikhowudi ye-HS | 29349990 |
| IKlasi yeeNgozi | 3 |
| Iqela lokuPakisha | III |
Intshayelelo
I-4,5-i-Dimethylthiazole yi-organic compound. Nazi ezinye zeempawu zayo, ukusetyenziswa, iindlela zokwenza, kunye nolwazi lokhuseleko:
Umgangatho:
-Imbonakalo: Ulwelo olungenambala okanye oluqinileyo lwekristale.
-Ukunyibilika: Inyibilika kwizinyibilikisi ezininzi zezinto eziphilayo ezifana neealkoholi, ii-ethers kunye neeketones.
- Uzinzo: Izinzile kwiqondo lobushushu begumbi.
Sebenzisa:
- Inokusetyenziswa kwakhona njenge-accelerator yerabha kunye ne-agent ye-rubber vulcanizing ukuphucula iimpawu zemishini yerabha.
Indlela:
- 4,5-Dimethylthiazole inokuveliswa ngokusabela kwe-dimethyl sodium dithiolate kunye ne-2-bromoacetone.
- I-reaction equation: 2-bromoacetone + dimethyl dithiolate → 4,5-dimethylthiazole + bromide ye-sodium.
Ulwazi ngoKhuseleko:
- I-4,5-i-Dimethylthiazole i-organic compound kwaye kufuneka igwenywe ngeendlela ezifanelekileyo zokuphatha.
-Iiglavu ezikhuselayo, iiglasi kunye negawuni ziyafuneka ngexesha lokusetyenziswa.
- Kuphephe ukuphefumla imiphunga yayo kwaye uqinisekise ukusebenza kwindawo engena umoya.
- Kwimeko yokutshiza ngengozi emehlweni, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune unyango ngokukhawuleza.
- Gcina i-4,5-dimethylthiazole kwindawo epholileyo, eyomileyo kude ne-oxidants kunye ne-acids eqinile.
