isibhengezo_sekhasi

umkhiqizo

5-Hydroxyethyl-4-methyl thiazole (CAS#137-00-8)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C6H9NOS
I-Molar Mass 143.21
Ukuminyana 1.196g/mLat 25°C(lit.)
I-Boling Point 135°C7mm Hg(lit.)
I-Flash Point >230°F
Inombolo ye-JECFA 1031
Ukuncibilika utshwala: buncibilika (lit.)
I-Vapor Presure 0.00297mmHg ku-25°C
Ukubukeka i-liquid (icacile, i-viscous)
I-Gravity ethize 1.196
Umbala ophuzi ojulile
Iphunga inyama, iphunga elimnandi
I-Merck 14,6126
I-BRN 114249
pKa 14.58±0.10(Okubikezelwe)
Isimo Sesitoreji 2-8°C
Kuyazwela Ukunuka
I-Refractive Index n20/D 1.550(lit.)
Izakhiwo Zomzimba Nezamakhemikhali Uketshezi olukhanyayo oluphuzi kuya kokubomvu
Sebenzisa Okwamantongomane, imikhiqizo yobisi, imikhiqizo yenyama, njll., esetshenziswa njengama-intermediate emithi

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi Xi - Irritant
Amakhodi Engozi 36/37/38 - Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
Incazelo Yokuphepha 24/25 - Gwema ukuthintana nesikhumba namehlo.
I-WGK Germany 3
AMAKHODI E-FLUKA BRAND F 13
I-TSCA Yebo
Ikhodi ye-HS 29341000
Inothi Lengozi Iyacasula/Iphunga

 

Isingeniso

I-4-Methyl-5-(β-hydroxyethyl) i-thiazole iyinhlanganisela yezinto eziphilayo. Kuyikristalu engenambala ukuya kokuphuzi ngokukhanyayo enephunga elifana ne-thiazole.

 

Le nhlanganisela inezakhiwo ezihlukahlukene kanye nokusetshenziswa. Okwesibili, i-4-methyl-5-(β-hydroxyethyl) thiazole nayo iyinhlanganisela ebalulekile ephakathi, engasetshenziswa ekuhlanganiseni ezinye izinhlanganisela eziphilayo.

 

Indlela yokulungiselela le nhlanganisela ilula. Indlela evamile yokulungiselela i-hydroxyethylation ye-methylthiazole. Isinyathelo esiqondile ukusabela i-methylthiazole nge-iodineethanol ukukhiqiza i-4-methyl-5-(β-hydroxyethyl) thiazole.

 

Izinyathelo zokuphepha kufanele zithathwe uma usebenzisa futhi uphatha i-4-methyl-5-(β-hydroxyethyl) thiazole. Kuyikhemikhali enokhahlo engabangela ukucasuka nokulimala esikhumbeni nasemehlweni. Lapho kusetshenziswa, amagilavu ​​okuvikela afanelekile nokuvikelwa kwamehlo kufanele kugqokwe. Futhi, kufanele igcinwe endaweni eyomile, epholile kude nomlilo nezinto ezivuthayo.


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