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umkhiqizo

2-Methylthio thiazole (CAS#5053-24-7)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C4H5NS2
I-Molar Mass 131.22
Ukuminyana 1.271 g/mL ku-25 °C (lit.)
I-Melting Point 132 °C
I-Boling Point 205-207 °C (okhanyisiwe)
I-Flash Point 195°F
I-Vapor Presure 0.248mmHg ku-25°C
pKa 2.42±0.10(Okubikezelwe)
Isimo Sesitoreji Umkhathi ongenayo, izinga lokushisa legumbi
I-Refractive Index n20/D 1.6080(lit.)

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 3334
I-WGK Germany 3
Ikhodi ye-HS 29349990

 

Isingeniso

I-2-(methio)thiazole iyinhlanganisela yezinto eziphilayo. Ngokuvamile ibonakala ingenambala kumakristalu aphuzi akhanyayo noma izimpushana eziqinile.

 

Izakhiwo zayo, i-2-(methylthio) thiazole iyisithako se-alkaline esibuthakathaka, esincibilika kusixazululo esine-asidi, esincibilika kancane emanzini, esincibilika kuzincibilikisi zemvelo njenge-ethanol ne-ether. Inephunga elithile eliguquguqukayo nelihlabayo.

 

Ukusetshenziswa okuyinhloko kwe-2-(methio)thiazole kufaka:

Izibulala-zinambuzane: Kuyisithako esibalulekile kwezinye izibulala-sikhunta nezibulala-zinambuzane ezisetshenziselwa ukuvikela izitshalo nezitshalo ezifweni nasezilokazaneni.

 

Ngokuvamile kunezindlela ezimbili ezivamile zokulungiselela i-2-(methylthio)thiazole:

Indlela yokuhlanganisa 1: 2-(methylthio) thiazole itholakala ngokusabela kwe-methylthiomalonic acid ne-thiourea.

Indlela yesi-2: 2-(methylthio)thiazole itholakala ngokusabela kwe-benzoacetonitrile ne-thioacetic acid amine.

 

Ulwazi lwayo lokuphepha: I-2-(methylthio)thiazole ivamise ukuphepheka ngaphansi kokusetshenziswa okuphusile nezimo ezifanele zokulondoloza. Njengekhemikhali, isenobuthi ngandlela thile futhi iyacasula. Ukuthinta isikhumba kanye nokuhogela amagesi kufanele kugwenywe ngesikhathi sokusetshenziswa. Kufanele kusetshenziswe izinto zokuzivikela ezifana namagilavu ​​okuzivikela, izibuko kanye nama-respirators. Amakhemikhali kufanele agcinwe futhi alahlwe ngendlela efanele, futhi izinqubo ezifanele zokusebenza eziphephile kufanele zilandelwe. Sicela ufunde futhi ulandele Ishidi Ledatha Yezokuphepha (SDS) kanye nemihlahlandlela ngaphambi kokusebenzisa.


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