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umkhiqizo

I-Ethyl Methylthio Acetate (CAS#4455-13-4)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C5H10O2S
I-Molar Mass 134.2
Ukuminyana 1.043 g/mL ku-25 °C (okhanyisiwe)
I-Boling Point 70-72 °C/25 mmHg (okhanyisiwe)
I-Flash Point 139°F
Inombolo ye-JECFA 475
Ukuncibilika kwamanzi Kuhlanganiswe notshwala. Akuhambisani namanzi.
I-Vapor Presure 1.91mmHg ku-25°C
Ukubukeka uketshezi olucacile
Umbala engenambala
I-BRN 1744999
Isimo Sesitoreji 2-8°C
Kuyazwela Kuyazwela Umswakama
I-Refractive Index n20/D 1.459(lit.)
I-MDL I-MFCD00009182
Izakhiwo Zomzimba Nezamakhemikhali Uketshezi olungenambala. Iphunga lezithelo. Iphuzu lokubilisa 70~72 degrees C (3333Pa). Incibilika kancane emanzini, incibilika otshwaleni nasemafutheni.

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi Xi - Irritant
Amakhodi Engozi 36/37/38 - Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S36 – Gqoka izingubo ezifanele zokuzivikela.
Ama-ID e-UN UN 3272 3/PG 3
I-WGK Germany 3
Ikhodi ye-HS 29309090
I-Hazard Class 3
Iqembu Lokupakisha III

 

Isingeniso

I-Ethyl methylthioacetate. Okulandelayo yisingeniso semvelo, ukusetshenziswa, indlela yokukhiqiza, kanye nolwazi lokuphepha lwe-MTEE:

 

Ikhwalithi:

- Ukubukeka: I-Ethyl methyl thioacetate iwuketshezi olungenambala noma oluphuzi oluphaphathekile.

- Iphunga: Inephunga elikhethekile.

- Ukunyibilika: Kuncibilika emanzini nasezincibilikisini ezivamile ezifana notshwala, ama-ether, nama-aromatics.

 

Sebenzisa:

I-Ethyl methyl thioacetate isetshenziswa kabanzi ku-organic synthesis:

- Njenge-reagent ye-methyl sulfide esebenzayo noma i-methyl sulfide ions, ibamba iqhaza ezinhlobonhlobo zokusabela kwe-organic synthesis.

 

Indlela:

I-Ethyl methylthioacetate ngokuvamile ingalungiswa ngezindlela ezilandelayo:

- I-Thioacetic acid (CH3COSH) isabela nge-ethanol (C2H5OH) futhi iphelelwe amanzi ukuze ithole i-ethyl methylthioacetate.

 

Ulwazi Lokuphepha:

- I-Ethyl methylthioacetate kufanele igqokwe nezingilazi zokuzivikela, amagilavu ​​nezingubo zokuzivikela ukuze kugwenywe ukuthintana ngqo nesikhumba namehlo.

- Gwema ukuhogela umhwamuko futhi ugcine umoya omuhle ngesikhathi sokusebenza.

- Naka ukuvimbela umlilo kanye nokunqwabelana kukagesi omile lapho usebenzisa. Gwema ukuchayeka ekushiseni, ezinhlansini, kumalangabi avulekile, nakwintuthu.

- Gcina kuvaliwe, kude nomlilo namazinga okushisa aphezulu, futhi ugweme ukuchayeka elangeni.


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