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

Hantida Kiimikada:

Qaanuunka molecular C5H7NS
Molar Mass 113.18
Cufnaanta 1.07 g/ml at 25 °C (iftiin)
Meesha dhalaalaysa 83-84 C
Boling Point 158 °C/742 mmHg ( shidan)
Barta Fiishka 124°F
Lambarka JECFA 1035
Uumiga Uumiga 3.46mmHg at 25°C
Muuqashada Budada crystalline
Cufis-jiidad gaar ah 1.070
BRN 105694
pKa pK1:3.73 (25°C,μ=0.1)
Xaalada Kaydinta Lagu xidhay qalalan, heerkulka qolka
Tusmada Dib-u-celinta n20/D 1.521 (lit.)
MDL MFCD00005336
Tilmaamaha Jirka iyo Kiimikada Cufnaanta 1.07
barta karkarinta 158 ° C. (742 torr)
index refractive 1.52-1.522
dhibic toos ah 51°C
Isticmaal Loo isticmaalo sidii cunto lagu daro

Faahfaahinta Alaabta

Tags Product

Xeerarka Khatarta R10 - guban kara
R22 - Waxyeelo leh haddii la liqo
R37/38 - Ka xanaajiso habka neefsashada iyo maqaarka.
R41 - Khatarta dhaawaca daran ee indhaha
R36/37/38 - Waxay ka xanaajisaa indhaha, habka neefsashada iyo maqaarka.
Sharaxaada Badbaadada S16 - Ka fogow ilaha dabka.
S26 - Haddii ay dhacdo in indhaha la taabto, isla markiiba ku raaci biyo badan oo raadso talo caafimaad.
S39 - Xidho ilaalinta indhaha / wajiga.
S37/39 - Xidho galoofyada ku haboon iyo ilaalinta indhaha/wejiga
S36/37/39 - Xidho dhar ilaalin ku haboon, galoofyada iyo ilaalinta indhaha/wejiga.
Aqoonsiga UN-ka UN 1993 3/PG 3
WGK Germany 3
RTECS XJ4380000
Koodhka HS 29349990
Heerka khatarta 3
Kooxda Baakadaha III

 

Hordhac

4,5-Dimethylthiazole waa iskudhis organic ah. Waa kuwan qaar ka mid ah hantideeda, adeegsigeeda, hababka wax-soo-saarka, iyo macluumaadka badbaadada:

 

Tayada:

- Muuqashada: dareere aan midab lahayn ama adag crystalline.

- Solubility: Waxay ku milmi karaan dareerayaal badan oo dabiici ah sida aalkolada, ethers iyo ketones.

- Xasilooni: Way deggan tahay heerkulka qolka.

 

Isticmaal:

- Waxa kale oo loo isticmaali karaa dardar-geliyaha caagga ah iyo wakiilka vulcanizing caag si loo hagaajiyo sifooyinka farsamada ee caagga.

 

Habka:

-4,5-Dimethylthiazole waxaa lagu soo saari karaa falcelinta dimethyl sodium dithiolate iyo 2-bromoacetone.

- Isla'egta falcelinta: 2-bromoacetone + dimethyl dithiolate → 4,5-dimethylthiazole + sodium bromide.

 

Macluumaadka Badbaadada:

- 4,5-Dimethylthiazole waa iskudhis organic ah waana in laga fogaadaa iyada oo la adeegsanayo tillaabooyin ku habboon.

- galoofyada ilaalinta, muraayadaha indhaha iyo goonnada ayaa loo baahan yahay marka la isticmaalayo.

- Iska ilaali in aad neefsato uumiga oo hubi in lagu shaqeeyo jawi hawo fiican leh.

- Haddii ay dhacdo inay si lama filaan ah indhaha uga firdhiso, isla markiiba ku luqluq biyo badan oo degdeg u raadso daryeel caafimaad.

- Ku kaydi 4,5-dimethylthiazole meel qabow oo qalalan oo ka fog oksaydhiyeyaasha iyo asiidhka xooggan.


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