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2-3-Diethyl-5-Methylpyrazine(CAS#18138-04-0)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C9H14N2
Molar Mass 150.22
Yawan yawa 0.949 g/ml a 25 °C (lit.)
Matsayin Boling 95 °C (20 mmHg)
Wurin Flash 176°F
Lambar JECFA 777
Ruwan Solubility DAN WARWARE
Solubility Chloroform, methanol
Tashin Turi 0.515mmHg a 25°C
Bayyanar m
Takamaiman Nauyi 0.950.949
Launi Bayyana Launi
pKa 2?+-.0.10 (An annabta)
Yanayin Ajiya 2-8 ° C
Fihirisar Refractive n20/D 1.498 (lit.)
Abubuwan Jiki da Sinadarai Ruwa mara launi zuwa haske rawaya, kofi da ƙamshin 'ya'yan itace. Mai narkewa a cikin ruwa amma turbid, mai narkewa a cikin mai da kaushi na halitta, miscible a cikin ethanol a dakin da zafin jiki. Wurin tafasa 203 °c. Ana samun samfuran halitta a cikin kofi, hazelnuts, kayan dankalin turawa, da sauransu.
Amfani Don kofi, nama, alewa, da sauransu

Cikakken Bayani

Tags samfurin

Alamomin haɗari Xi - Haushi
Lambobin haɗari 36/37/38 - Hannun idanu, tsarin numfashi da fata.
Bayanin Tsaro S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita.
S36 / 37/39 - Sanya tufafin kariya masu dacewa, safar hannu da kariya / ido / fuska.
ID na UN NA 1993 / PGIII
WGK Jamus 3
Farashin TSCA Ee
HS Code 29339900
Matsayin Hazard 3
Rukunin tattarawa III

 

Gabatarwa

2,3-Diethyl-5-methylpyrazine wani fili ne na kwayoyin halitta, wanda kuma aka sani da DEET (N, N-diethyl-3-methylphenylethylamine).

 

Wadannan sune wasu kaddarorin 2,3-diethyl-5-methylpyrazine:

 

1. Bayyanar: DEET ruwa ne mara launi zuwa haske rawaya.

2. Kamshi: Yana da kamshin yaji, na halitta.

3. Solubility: DEET yana narkewa a cikin alcohols, ethers da mafi yawan kaushi na kwayoyin halitta, amma yana da ƙananan solubility a cikin ruwa.

 

Babban amfani da 2,3-diethyl-5-methylpyrazine a matsayin mai hana kwari da cututtuka na kwari. Yana da tasiri a kan cizon kwari iri-iri kamar sauro, kaska, kuda, da dai sauransu. DEET ana yawan amfani da shi wajen kera kayayyaki kamar su maganin kwari, nadar sauro, maganin kwari da feshin kwari.

 

Hanyar shirya 2,3-diethyl-5-methylpyrazine yawanci ana aiwatar da shi ta hanyar ƙara haɓakar haɓakar benzylamine da chloroacetic acid, a gaban alkali, don samar da N-benzyl-N-methylacetamide, sannan ta hanyar rashin ruwa don samun. DEET. Za'a iya daidaita tsarin tsari na musamman bisa ga takamaiman yanayi da reagents dauki.

 

Bayanin Tsaro: 2,3-Diethyl-5-methylpyrazine ana ɗaukarsa ingantacciyar lafiya a ƙarƙashin yanayin amfani. Ana buƙatar taka tsantsan yayin amfani da wasu jama'a, kamar yara, mata masu juna biyu da masu shayarwa, da mutanen da ke fama da rashin lafiyar DEET. Tsawaita wuce gona da iri ga DEET na iya haifar da illa kamar rashin lafiyar fata da haushin ido, don haka wanke hannunka da wuraren da aka fallasa fata sosai bayan amfani. Idan wani rashin jin daɗi ko mummunan halayen ya faru, daina amfani da sauri kuma tuntuɓi likita.


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