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imveliso

4-Methyl thiazole (CAS#693-95-8)

Ipropati yeMichiza:

Ifomula yeemolekyuli C4H5NS
IMisa yeMolar 99.15
Ukuxinana 1.09 g/mL ku-25 °C (lit.)
Indawo yokunyibilika 134 °C
Indawo yeBoling 133-134 °C (lit.)
Indawo yokuflasha 90°F
Inombolo yeJECFA 1043
Uxinzelelo loMphunga 10mmHg ku-25°C
Imbonakalo Ulwelo
Ubunzima obuthile 1.090
Umbala Icacile engenambala ukuya kumthubi kancinane
I-BRN 105228
pKa pK1:3.16(+1) (25°C,μ=0.1)
Imeko yoGcino Umoya ongaphakathi,2-8°C
Refractive Index n20/D 1.524(lit.)
IiPropati zoMzimba kunye nezeMichiza Uxinaniso 1.09
iqondo lokubila 133-134°C
refractive index 1.5257
indawo edanyazayo ngama-32°C
Sebenzisa Isetyenziswe njengamachiza, i-Fragrance Intermediates

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iikhowudi zoMngcipheko I-R10-Inokutsha
I-R22 – Iyingozi xa iginyiwe
I-R37/38 – Iyacaphukisa inkqubo yokuphefumla kunye nolusu.
I-R41 – Umngcipheko womonakalo omkhulu emehlweni
Inkcazelo yoKhuseleko S16 – Gcina kude kwimithombo yomlilo.
S26 – Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango.
S39 –Nxiba ukhuseleko lwamehlo / ubuso.
Izazisi ze-UN UN 1993 3/PG 3
WGK eJamani 3
RTECS XJ5096000
I-TSCA T
Ikhowudi ye-HS 29341000
IKlasi yeeNgozi 3
Iqela lokuPakisha III

 

Intshayelelo

I-4-Methylthiazole yi-organic compound. Oku kulandelayo sisingeniso esifutshane kwiipropati, ukusetyenziswa, iindlela zokulungiselela kunye nolwazi lokhuseleko lwe-4-methylthiazole:

 

Umgangatho:

- 4-Methylthiazole lulwelo olungenambala ukuya kumthubi okhanyayo.

- Inevumba elinamandla le-ammonia.

- I-4-Methylthiazole iyanyibilika emanzini kwaye uninzi lwezinyibilikisi zendalo kwiqondo lobushushu begumbi.

- 4-Methylthiazole i-acidic compound engenamandla.

 

Sebenzisa:

- I-4-Methylthiazole iphinda isetyenziswe kwi-synthesis ye-pesticides, njenge-thiazolone, i-thiazolol, njl.

- Ingasetyenziselwa ukuveliswa kwedayi kunye neemveliso zerabha.

 

Indlela:

- I-4-Methylthiazole inokufumaneka ngokuphendula kwe-methyl thiocyanate kunye ne-vinyl methyl ether.

- Ngexesha lokulungiselela, i-methyl thiocyanate kunye ne-vinyl methyl ether ziphendulwa phantsi kweemeko ze-alkaline ukuze zenze i-4-methyl-2-ethopropyl-1,3-thiazole, ethi ke i-hydrolyzed ukufumana i-4-methylthiazole.

 

Ulwazi ngoKhuseleko:

- I-4-Methylthiazole iyacaphukisa kwaye iyingozi kwaye inokubangela umonakalo kwesikhumba, amehlo, kunye nomgudu wokuphefumula.

- Nxiba izixhobo ezifanelekileyo zokukhusela xa usebenzisa kwaye uphephe ukudibana nolusu kunye namehlo, kwaye uphephe ukuphefumla umphunga okanye uthuli lwazo.

- Ingqalelo kufuneka ihlawulwe kumanyathelo okuthintela umlilo kunye nokudubula ngexesha lokusebenza kunye nokugcinwa, kwaye ugcine kude nemithombo yokutshisa kunye nee-oxidants.

- Ukuthobela iindlela ezifanelekileyo zokuphatha kunye neendlela zokuphatha ngexesha lokusetyenziswa ukuphepha iingozi.


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