4-Bromo-1-Butyne (CAS # 38771-21-0)
| Hazard Cov Cim | T – Toxic |
| Risk Codes | R10 - Flammable R25 - Toxic yog nqos R43 - Tej zaum yuav ua rau mob ntawm daim tawv nqaij |
| Kev nyab xeeb piav qhia | S36/37 - Hnav cov khaub ncaws tiv thaiv thiab hnab looj tes tsim nyog. S45 - Thaum muaj xwm txheej lossis yog tias koj tsis xis nyob, nrhiav kev kho mob tam sim ntawd (qhia daim ntawv lo thaum twg ua tau.) |
| UN IDs | UN 1992 6.1(3) / PGIII |
| WGK Germany | 3 |
| HS Code | 2 903990 |
| Hazard Class | 3 |
| Packing Group | III |
Taw qhia
4-Bromo-n-butyne yog ib qho organic compound. Cov hauv qab no yog kev qhia txog nws cov khoom, kev siv, kev tsim khoom thiab cov ntaub ntawv kev nyab xeeb:
Zoo:
- 4-bromo-n-butyne yog cov kua xim tsis muaj xim nrog cov ntxhiab tsw thiab pungent.
- 4-Bromor-n-butyne yog ib qho tsis haum tshuaj organic uas ua rau cov pa oxygen hauv huab cua.
Siv:
- 4-Bromo-n-butyne feem ntau yog siv los ua ib qho nruab nrab hauv cov organic synthesis thiab koom nrog ntau yam tshuaj lom neeg cov tshuaj tiv thaiv.
- Nws tuaj yeem siv rau hauv kev npaj ntawm lwm cov tshuaj organobromine xws li ethyl bromide, thiab lwm yam.
- Nws muaj qhov ntsim thiab pungent tsw thiab qee zaum siv los ua ib qho ntawm cov khoom xyaw hauv cov tshuaj tiv thaiv hma.
Txoj kev:
- 4-Bromo-n-butyne tuaj yeem tau txais los ntawm cov tshuaj tiv thaiv ntawm 4-bromo-2-butyne nrog alkali hlau bromides xws li sodium bromide.
- Cov tshuaj tiv thaiv no ua rau muaj cua sov ntau thiab yuav tsum tau txias kom tswj tau qhov kub thiab txias.
Cov ntaub ntawv kev nyab xeeb:
- 4-Bromo-butyne yog khaus khaus thiab yuav tsum tsis txhob sib cuag nrog daim tawv nqaij, qhov muag thiab cov mucous daim nyias nyias.
- hnab looj tes, tsom iav, thiab khaub ncaws tiv thaiv yuav tsum hnav thaum siv thiab tuav 4-bromo-n-butyne.
- Tsis txhob nqus nws cov vapors thiab xyuas kom meej tias kev ua haujlwm tau ua nyob rau hauv qhov chaw muaj cua zoo.
- 4-Bromo-n-butyne yog cov khoom siv hluav taws xob thiab yuav tsum tau ceev kom deb ntawm qhov hluav taws kub thiab cua sov thiab khaws cia rau hauv qhov chaw txias, qhuav.
- Thaum tuav thiab pov tseg ntawm 4-bromo-n-butyne, yuav tsum ua raws li cov txheej txheem kev nyab xeeb.
