3-Acetyl-2-5-Dimethylthiophene (CAS # 2530-10-1)
| Risk Codes | 36/37/38 – Khaus qhov muag, ua pa thiab tawv nqaij. |
| Kev nyab xeeb piav qhia | 24/25 - Tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag. |
| UN IDs | TIAB SA 3334 |
| WGK Germany | 3 |
| RTECS | SIB 2888000 |
| HS Code | 293499 0 |
Taw qhia
2,5-Dimethyl-3-acetylthiophene, tseem hu ua 2,5-dimethyl-3-acetylthiophene, yog cov organic compound.
Zoo:
2,5-Dimethyl-3-acetylthiophene yog ib qho kev sib xyaw nrog cov qauv thiophene. Nws yog xim tsis muaj xim rau yellowish kua nrog ib tug txawv tsw. Nws muaj kev ruaj ntseg siab thiab kub tsis kam. Nws yog ib qho tseem ceeb nruab nrab ntawm cov organic synthesis.
Kev Siv: Nws tuaj yeem siv los ua tshuaj tua kab nruab nrab rau kev sib txuas ntawm cov tshuaj tua kab thiab tshuaj tua kab. Nws tuaj yeem siv los ua cov khoom siv raw hauv cov khoom siv organic rau kev sib txuas ntawm lwm cov organic sib txuas.
Txoj kev:
2,5-dimethyl-3-acetylthiophene tuaj yeem tau txais los ntawm cov tshuaj tiv thaiv condensation ntawm thiophene nrog methyl acetophenone. Cov txheej txheem kev lag luam tshwj xeeb yog kom condense thiophene thiab methyl acetone nyob rau hauv lub xub ntiag ntawm ib tug catalyst, thiab tom qab tsim nyog kev kho mob thiab purification cov kauj ruam, lub hom phiaj cov khoom yuav tau.
Cov ntaub ntawv kev nyab xeeb:
2,5-Dimethyl-3-acetylthiophene muaj toxicity tsawg nyob rau hauv ib txwm siv. Tsis txhob nqus nws cov vapors, tsis txhob kov ncaj qha rau ntawm daim tawv nqaij thiab qhov muag, thiab tsis txhob nqos. Kev ceev faj yuav tsum tau them rau kev tiv thaiv hluav taws thiab tawg thaum siv thiab khaws cia, thiab khaws cia rau hauv qhov chaw qhuav thiab qhov cua zoo.
