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

Hantida Kiimikada:

Qaanuunka molecular C9H14N2
Molar Mass 150.22
Cufnaanta 0.949 g/ml at 25 °C (iftiin)
Boling Point 95 °C (20 mmHg)
Barta Fiishka 176°F
Lambarka JECFA 777
Biyuhu milmayn YAR LUQA
Solubility Chloroform, methanol
Uumiga Uumiga 0.515mmHg at 25°C
Muuqashada nadiif ah
Cufis-jiidad gaar ah 0.950.949
Midabka Cad Midab La'aan
pKa 2?+-.0.10 (La saadaaliyay)
Xaalada Kaydinta 2-8°C
Tusmada Dib-u-celinta n20/D 1.498 (lit.)
Tilmaamaha Jirka iyo Kiimikada Dareere huruud ah oo aan midab lahayn ama iftiin leh, qaxwo iyo caraf udgoon. Ku milmay biyaha laakiin turbid, milmay saliidaha iyo dareerayaasha organic, miscible in ethanol heerkulka qolka. Barta karkarinta 203 °c. Alaabooyinka dabiiciga ah waxaa laga helaa kafeega, hazelnuts, waxyaabaha baradhada, iwm.
Isticmaal Kafeega, hilibka, nacnaca, iwm

Faahfaahinta Alaabta

Tags Product

Calaamadaha halista Xi - xanaaq
Xeerarka Khatarta 36/37/38 - Cuncun xagga indhaha, habka neefsashada iyo maqaarka.
Sharaxaada Badbaadada S26 - Haddii ay dhacdo in indhaha la taabto, isla markiiba ku raaci biyo badan oo raadso talo caafimaad.
S36/37/39 - Xidho dhar ilaalin ku haboon, galoofyada iyo ilaalinta indhaha/wejiga.
Aqoonsiga UN-ka NA 1993 / PGIII
WGK Germany 3
TSCA Haa
Koodhka HS 29339900
Heerka khatarta 3
Kooxda Baakadaha III

 

Hordhac

2,3-Diethyl-5-methylpyrazine waa unug dabiici ah, oo sidoo kale loo yaqaan DEET (N, N-diethyl-3-methylphenylethylamine).

 

Kuwa soo socda waa qaar ka mid ah sifooyinka 2,3-diethyl-5-methylpyrazine:

 

1. Muuqashada: DEET waa dareere huruud ah oo aan midab lahayn ama iftiin leh.

2. Urta: Wuxuu leeyahay basbaas, ur organic ah.

3. Solubility: DEET waxay ku milmi kartaa alkolada, ether-ka iyo inta badan dareerayaasha organic, laakiin waxay leedahay milmayn hoose oo biyaha ah.

 

Isticmaalka ugu weyn ee 2,3-diethyl-5-methylpyrazine waa sida ka hortagga cudurrada cayayaanka iyo cayayaanka. Waxay wax ku ool u tahay qaniinyada cayayaannada kala duwan sida kaneecada, shilinta, duqsiga, iwm. DEET caadi ahaan waxaa loo isticmaalaa soo saarista alaabada ay ka midka yihiin dawooyinka cayayaanka, gariiradda kaneecada, dawooyinka cayayaanka iyo buufinta cayayaanka.

 

Habka diyaarinta 2,3-diethyl-5-methylpyrazine waxaa sida caadiga ah lagu fuliyaa falcelinta dheeriga ah ee benzylamine iyo chloroacetic acid, iyadoo ay joogaan alkali, si loo dhaliyo N-benzyl-N-methylacetamide, ka dibna iyada oo loo marayo falcelinta fuuqbaxa si loo helo DEET. Habka diyaarinta gaarka ah waxaa lagu hagaajin karaa iyadoo loo eegayo xaaladaha gaarka ah iyo reagents falcelinta.

 

Macluumaadka Badbaadada: 2,3-Diethyl-5-methylpyrazine waxaa loo arkaa mid badbaado leh marka loo eego xaaladaha guud ee isticmaalka. Taxaddar ayaa loo baahan yahay marka la isticmaalayo dadyow gaar ah, sida carruurta, haweenka uurka leh iyo kuwa nuujinaya, iyo dadka xasaasiyadda ku leh DEET. Soo-gaadhista xad-dhaafka ah ee dheeraadka ah ee DEET waxay keeni kartaa saameyn xun sida xasaasiyadda maqaarka iyo xanaaqa indhaha, markaa si fiican u dhaq gacmahaaga iyo meelaha maqaarka ee bannaanka ah isticmaalka ka dib. Haddii wax dhib ah ama falcelin xun dhacaan, jooji isticmaalka isla markiiba oo la tasho dhakhtar.


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