(2E)-2-Methyl-2-Pentenal (CAS # 14250-96-5)
Risk thiab Safety
| Hazard Symbols | Xn – Ua phem |
| Risk Codes | R10 - Flammable R20 - Ua phem los ntawm kev nqus pa R36 - Khau qhov muag |
| Kev nyab xeeb piav qhia | 26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej kom ntau thiab nrhiav kev kho mob. |
| UN IDs | UN 1989 3/PG 3 |
| WGK Germany | 1 |
| RTECS | SIB 2100000 |
| Hazard Class | 3 |
| Packing Group | III |
Kev taw qhia luv luv
2-Methyl-2-pentenal tseem hu ua prenal lossis hexenal. Cov hauv qab no yog kev qhia txog cov khoom, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb ntawm cov khoom sib xyaw:
Zoo:
2-Methyl-2-pentenal yog cov kua tsis muaj xim nrog cov ntxhiab tsw ntxhiab tsw. Nws yog cov kua uas yog insoluble hauv dej thiab soluble hauv ntau cov kuab tshuaj organic. Nyob rau hauv chav tsev kub, nws muaj ib tug qis vapor siab.
Siv:
2-Methyl-2-pentenal muaj ntau hom kev lag luam. Nws tseem tuaj yeem siv los ua cov khoom siv roj hmab, roj hmab antioxidant, resin hnyav, thiab lwm yam.
Txoj kev:
Kev npaj ntawm 2-methyl-2-pentenal feem ntau tau txais los ntawm cov tshuaj tiv thaiv ntawm isoprene thiab formaldehyde. Cov kauj ruam tshwj xeeb feem ntau yog raws li hauv qab no: nyob rau hauv lub xub ntiag ntawm ib tug tsim nyog catalyst, isoprene thiab formaldehyde yog ntxiv rau lub reactor nyob rau hauv ib tug tej yam kev faib ua feem thiab tswj ntawm ib tug tsim nyog kub thiab siab. Tom qab cov tshuaj tiv thaiv tau ua tiav rau lub sijhawm, purified 2-methyl-2-pentenal tuaj yeem tau los ntawm cov txheej txheem xws li kev rho tawm, ntxuav dej, thiab distillation.
Cov ntaub ntawv kev nyab xeeb:
2-Methyl-2-pentenal yog ib yam tshuaj hnyav uas tuaj yeem ua rau lub qhov muag, tawv nqaij, thiab ua pa thaum raug. Hnav cov cuab yeej tiv thaiv tsim nyog thaum ua haujlwm thiab zam kev sib cuag ncaj qha ntau li ntau tau. Nws tseem yog cov kua hluav taws kub thiab yuav tsum tau tiv thaiv los ntawm kev sib cuag nrog kub kub, qhib nplaim taws thiab oxidizing tus neeg sawv cev. Nyob rau hauv cov ntaub ntawv ntawm kev huam yuaj, kev ntsuas tsim nyog yuav tsum tau ua sai sai los ntxuav thiab pov tseg.
