2-Methyl-2-pentenoic acid(CAS#3142-72-1)
| Izimpawu Eziyingozi | C – Iyabola |
| Amakhodi Engozi | R34 – Ibangela ukusha I-R22 – Iyingozi uma igwinywe R41 – Ingozi yokulimala okubi emehlweni |
| Incazelo Yokuphepha | S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha. S36/37/39 – Gqoka izingubo zokuzivikela ezifanele, amagilavu kanye nokuvikela iso/ubuso. S45 – Uma kwenzeka ingozi noma uzizwa ungaphilile, funa iseluleko sezokwelapha ngokushesha (bonisa ilebula noma nini lapho kunokwenzeka.) |
| Ama-ID e-UN | UN 3261 8/PG 3 |
| I-WGK Germany | 2 |
| I-TSCA | Yebo |
| Ikhodi ye-HS | 29161900 |
| I-Hazard Class | 8 |
| Iqembu Lokupakisha | III |
Isingeniso
I-2-Methyl-2-pentenic acid, eyaziwa nangokuthi i-butenedic acid, iyinhlanganisela yezinto eziphilayo. Okulandelayo yisingeniso sezakhiwo, ukusetshenziswa, izindlela zokulungiselela kanye nolwazi lokuphepha lwe-2-methyl-2-pentenoic acid:
Ikhwalithi:
- I-2-Methyl-2-pentenoic acid inguketshezi oluphuzi oluphuzi olukhanyayo olungenambala olunephunga elifana nesithelo.
- I-2-Methyl-2-pentenoic acid iyancibilika emanzini nasezincibilikisini eziphilayo ezifana notshwala nama-ether.
- Kuyinhlanganisela ezinzile engashi ngokuzenzekelayo noma iziqhume ngokwamazinga okushisa avamile nezingcindezi.
Sebenzisa:
- I-2-Methyl-2-pentenoic acid isetshenziswa ngokuyinhloko ekulungiseni ama-polymers asebenza kahle njengezingubo ezikhethekile, izinto zokunamathisela, nama-sealants.
- Kuyi-monomer yesibili ebalulekile engalungiswa nge-polymerization ye-butenic acid copolymers.
Indlela:
- I-2-Methyl-2-pentenoic acid ingalungiswa ngokungezwa kwe-acid-catalyzed ye-cyclohexene.
- I-Dimethyllithium ne-cyclohexene zisabela ukuze zithole i-2-methyl-1-cyclohexenylmethyllithium, bese i-hydrolyzed futhi i-acidified ukuthola i-2-methyl-2-pentenoic acid.
Ulwazi Lokuphepha:
- I-2-Methyl-2-pentenoic acid iyinto ecasulayo engase icasule isikhumba namehlo, futhi izinyathelo zokuphepha ezidingekayo njengokugqoka amagilavu okuzivikela kanye nezibuko ziyadingeka ngesikhathi sokusetshenziswa.
- Ayizinzile ekukhanyeni nasekushiseni okuphezulu, futhi ukusabela kwe-polymerization kungenzeka, ngakho ukuchayeka isikhathi eside elangeni noma ukugcinwa emazingeni okushisa aphezulu kufanele kugwenywe.
- Ngesikhathi sokuphatha nokugcinwa, kufanele kugcinwe kude nezinto ezivuthayo kanye nama-oxidizing ukuvimbela ingozi yomlilo noma ukuqhuma.
- Uma uphatha i-2-methyl-2-pentenoic acid, izivumelwano ezifanele zokuhlola kanye nemihlahlandlela yokusebenza ephephile kufanele ilandelwe. Uma kwenzeka ingozi, izinyathelo ezifanele eziphuthumayo kufanele zithathwe ngokushesha futhi usizo lwezokwelapha oluchwepheshile kufanele lufunwe ngokushesha.
