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4,5-Dimethyl thiazole (CAS#3581-91-7)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C5H7NS
Molar Mass 113.18
Yawan yawa 1.07 g/mL a 25 ° C (lit.)
Matsayin narkewa 83-84 C
Matsayin Boling 158 °C/742 mmHg (lit.)
Wurin Flash 124°F
Lambar JECFA 1035
Tashin Turi 3.46mmHg a 25°C
Bayyanar Crystalline foda
Takamaiman Nauyi 1.070
BRN 105694
pKa pK1:3.73 (25°C,μ=0.1)
Yanayin Ajiya Rufewa a bushe, Zazzabin ɗaki
Fihirisar Refractive n20/D 1.521 (lit.)
MDL Saukewa: MFCD00005336
Abubuwan Jiki da Sinadarai Yawaita 1.07
wurin tafasa 158 ° C. (742 torr)
Ƙididdigar refractive 1.52-1.522
filashin wuta 51°C
Amfani Ana amfani dashi azaman ƙari na abinci

Cikakken Bayani

Tags samfurin

Lambobin haɗari R10 - Flammable
R22 - Yana cutarwa idan an haɗiye shi
R37 / 38 - Haushi ga tsarin numfashi da fata.
R41 - Hadarin mummunan lalacewa ga idanu
R36 / 37/38 - Haushi ga idanu, tsarin numfashi da fata.
Bayanin Tsaro S16 - Ka nisantar da tushen wuta.
S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita.
S39 – Sa ido/kariyar fuska.
S37/39 - Sanya safofin hannu masu dacewa da kariya / ido
S36 / 37/39 - Sanya tufafin kariya masu dacewa, safar hannu da kariya / ido / fuska.
ID na UN UN 1993 3/PG 3
WGK Jamus 3
RTECS XJ438000
HS Code 2934990
Matsayin Hazard 3
Rukunin tattarawa III

 

Gabatarwa

4,5-Dimethylthiazole wani fili ne na kwayoyin halitta. Anan akwai wasu daga cikin kaddarorinsa, amfaninsa, hanyoyin masana'anta, da bayanan aminci:

 

inganci:

- Bayyanar: ruwa mara launi ko m crystalline.

- Solubility: Mai narkewa a yawancin kaushi na halitta kamar su alcohols, ethers da ketones.

- Kwanciyar hankali: Yana da ingantacciyar kwanciyar hankali a yanayin zafi.

 

Amfani:

- Hakanan za'a iya amfani da shi azaman mai saurin roba da wakili na vulcanizing na roba don inganta kayan aikin roba.

 

Hanya:

- 4,5-Dimethylthiazole za a iya samar da shi ta hanyar amsawar dimethyl sodium dithiolate da 2-bromoacetone.

- Ma'anar amsawa: 2-bromoacetone + dimethyl dithiolate → 4,5-dimethylthiazole + sodium bromide.

 

Bayanin Tsaro:

- 4,5-Dimethylthiazole wani fili ne na kwayoyin halitta kuma yakamata a guji shi tare da matakan kulawa da suka dace.

- Ana buƙatar safar hannu masu kariya, tabarau da riga yayin amfani.

- Ka guji shakar tururinsa kuma tabbatar da aiki a cikin yanayi mai kyau.

- Idan an fantsama cikin bazata a idanu, a wanke da ruwa da yawa sannan a nemi kulawar likita cikin gaggawa.

- Ajiye 4,5-dimethylthiazole a wuri mai sanyi, busasshiyar wuri mai nisa daga oxidants da acid mai ƙarfi.


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