Cyclopentene (CAS # 142-29-0)
| Risk Codes | R11 - Cov nplaim hluav taws kub heev R21/22 - Ua phem rau ntawm daim tawv nqaij thiab yog tias nqos. R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij. R65 - Ua phem: Tej zaum yuav ua rau lub ntsws puas yog tias nqos R67 - Vapors tuaj yeem ua rau qaug zog thiab kiv taub hau R52/53 - Ua phem rau cov kab mob hauv dej, tuaj yeem ua rau muaj kev cuam tshuam ntev rau hauv dej hiav txwv. R38 - Irritating rau ntawm daim tawv nqaij |
| Kev nyab xeeb piav qhia | S9 - Khaws lub thawv rau hauv qhov chaw muaj cua zoo. S16 - Khaws kom deb ntawm qhov chaw hluav taws xob. S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob. S33 - Siv cov kev tiv thaiv kev tiv thaiv zoo li qub. S36 - Hnav khaub ncaws tiv thaiv zoo. S62 - Yog tias nqos tau, tsis txhob ntuav ntuav; nrhiav kev kho mob tam sim ntawd thiab qhia lub thawv los yog daim ntawv lo. S61 - Tsis txhob tso tawm rau ib puag ncig. Xa mus rau cov lus qhia tshwj xeeb / cov ntaub ntawv kev nyab xeeb. S36/37 - Hnav cov khaub ncaws tiv thaiv thiab hnab looj tes tsim nyog. |
| UN IDs | UN 2246 3/PG 2 |
| WGK Germany | 3 |
| RTECS | GY5950000 |
| FLUKA BRAND F CODE | 10-23 |
| TSCA | Yog lawm |
| HS Code | 29021990 ib |
| Hazard Class | 3 |
| Packing Group | II |
| Toxicity | Mob qhov ncauj LD50 rau nas yog 1,656 mg/kg (quoted, RTECS, 1985). |
Taw qhia
Cov hauv qab no yog kev qhia txog cov khoom, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb ntawm cyclopentene:
Zoo:
1. Cyclopentene muaj ntxhiab tsw thiab soluble nyob rau hauv ntau yam organic solvents.
2. Cyclopentene yog unsaturated hydrocarbon nrog muaj zog reactivity.
3. Lub cyclopentene molecule yog ib tug tsib-membered annular qauv nrog ib tug nkhaus conformation, ua rau muaj kev nyuaj siab nyob rau hauv cyclopentene.
Siv:
1. Cyclopentene yog ib qho tseem ceeb raw khoom rau cov organic synthesis, thiab feem ntau yog siv rau hauv kev npaj cov tebchaw xws li cyclopentane, cyclopentanol, thiab cyclopentanone.
2. Cyclopentene tuaj yeem siv los ua cov organic sib txuas xws li dyes, fragrances, roj hmab, thiab yas.
3. Cyclopentene kuj yog siv los ua ib feem ntawm cov kuab tshuaj thiab cov extractants.
Txoj kev:
1. Cyclopentene feem ntau yog npaj los ntawm cycloaddition ntawm olefins, xws li los ntawm cracking butadiene los yog oxidative dehydrogenation ntawm pentadiene.
2. Cyclopentene kuj tuaj yeem npaj los ntawm hydrocarbon dehydrogenation lossis cyclopentane dehydrocyclization.
Cov ntaub ntawv kev nyab xeeb:
1. Cyclopentene yog cov kua ua kua, uas ua rau deflagration thaum raug nplaim taws lossis kub kub.
2. Cyclopentene muaj qhov ua rau khaus ntawm qhov muag thiab tawv nqaij, yog li koj yuav tsum tau xyuam xim rau kev tiv thaiv.
3. Khaws qhov cua kom zoo thaum siv cyclopentene kom tsis txhob nqus nws cov vapors.
4. Cyclopentene yuav tsum muab cia rau hauv qhov chaw txias, qhov cua, kom deb ntawm qhov hluav taws kub thiab oxidants.
