but-2-yn-1-ol (CAS # 764-01-2)
| Risk Codes | R10 - Flammable R43 - Tej zaum yuav ua rau mob ntawm daim tawv nqaij R52/53 - Ua phem rau cov kab mob hauv dej, tuaj yeem ua rau muaj kev cuam tshuam ntev rau hauv dej hiav txwv. R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij. |
| Kev nyab xeeb piav qhia | S36/37 - Hnav cov khaub ncaws tiv thaiv thiab hnab looj tes tsim nyog. S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob. S16 - Khaws kom deb ntawm qhov chaw hluav taws xob. |
| UN IDs | UN 1987 3/PG 3 |
| WGK Germany | 3 |
| HS Code | 2 905290 |
| Kev Ceeb Toom | Irritant |
| Hazard Class | 3 |
| Packing Group | III |
Taw qhia
2-butynyl-1-ol, tseem hu ua butynol, yog cov organic compound. Cov hauv qab no yog kev qhia txog cov khoom, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb ntawm 2-butyn-1-ol:
Khoom: Nws yog cov kua xim tsis muaj xim nrog cov ntxhiab tsw tshwj xeeb.
2-Butyn-1-ol yog soluble hauv dej thiab ntau cov kuab tshuaj organic xws li ethanol thiab ether.
- Nws yog ib qho cawv sib xyaw nrog alkyne ua haujlwm pab pawg uas muaj qee yam tshuaj lom neeg ntawm cawv thiab alkynes.
Siv:
- 2-butyn-1-ol yog dav siv nyob rau hauv cov organic synthesis raws li cov tshuaj tiv thaiv nruab nrab los yog reagent. Nws tuaj yeem siv los ua cov khoom pib, hnyav, lossis catalyst rau kev sib txuas ntawm cov organic sib txuas.
- Nws kuj tuaj yeem siv rau hauv kev npaj ntawm lwm cov khoom sib xws xws li ethers, ketones, thiab etherketones.
Txoj kev:
- 2-Butyno-1-ol tuaj yeem npaj tau los ntawm cov tshuaj tiv thaiv ntawm hydrogenated acetone cawv thiab chloroform.
- Lwm txoj kev npaj yog kom condense ethyl mercaptan thiab acetone nyob rau hauv lub xub ntiag ntawm ib tug amino catalyst, thiab ces kom tau 2-butyn-1-ol los ntawm ntxiv mercury chloride.
Cov ntaub ntawv kev nyab xeeb:
- 2-Butyn-1-ol yog ib yam khoom uas ua rau khaus khaus thiab ua rau lub qhov muag, tawv nqaij, thiab ua pa puas.
- Cov cuab yeej tiv thaiv tsim nyog xws li hnab looj tes tiv thaiv thiab tsom iav yuav tsum hnav thaum tuav.
- Lub compound muaj qhov cuam tshuam rau ib puag ncig, tab sis yuav tsum tau saib xyuas kom ua raws li cov cai ntawm ib puag ncig thaum tuav thiab pov tseg.
