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2-Methoxy-3-sec-butyl pyrazine (CAS#24168-70-5)

Hantida Kiimikada:

Qaanuunka molecular C9H14N2O
Molar Mass 166.22
Cufnaanta 1g/mLat 25°C
Meesha dhalaalaysa 92-94 ℃
Boling Point 50°C1mm Hg(iftiin)
Barta Fiishka 171°F
Lambarka JECFA 791
Solubility Chloroform (wax yar), methanol (wax yar)
Uumiga Uumiga 0.0995mmHg at 25°C
Muuqashada Dareere
Cufis-jiidad gaar ah 1.01
Midabka Cad midab lahayn
pKa 0.80±0.10 (La saadaaliyay)
Xaalada Kaydinta Lagu xidhay qalalan, heerkulka qolka
Tusmada Dib-u-celinta n20/D 1.492 (lit.)
Tilmaamaha Jirka iyo Kiimikada dareere hufan oo aan midab lahayn. daahirnimo ≥ 99%. Karkari inta u dhaxaysa 92-94 °c (12.6 7千帕).
Isticmaal Waxa loo istcimaalaa sidii nuxurka isqurxinta maalinlaha ah waxayna leedahay udgoon.

Faahfaahinta Alaabta

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Calaamadaha halista Xn – Waxyeelo
Xeerarka Khatarta R22 - Waxyeelo leh haddii la liqo
R36/37/38 - Waxay ka xanaajisaa indhaha, habka neefsashada iyo maqaarka.
R20/21/22 - Waxyeelo xagga neefsashada, taabashada maqaarka iyo haddii la liqo.
Sharaxaada Badbaadada S36/37/39 - Xidho dhar ilaalin ku haboon, galoofyada iyo ilaalinta indhaha/wejiga.
S26 - Haddii ay dhacdo in indhaha la taabto, isla markiiba ku raaci biyo badan oo raadso talo caafimaad.
S36/37/38 -
Aqoonsiga UN-ka UN 3334
WGK Germany 3
Koodhka HS 29339900

 

Hordhac

2-ethoxy-3-isopropylpyrazine waa unug dabiici ah.

 

Xarunta ayaa leh sifooyinka soo socda:

- Muuqashada: dareere aan midab lahayn

- Solubility: Ku milmay ethanol, ether iyo benzene, oo aan biyo ku milmin

 

2-ethoxy-3-isopropylpyrazine waxay leedahay adeegsi gaar ah:

- Waxa loo isticmaali karaa sidii cayayaanka cayayaanka lagu dilo ee qaybta beeraha. Ilaalinta dalagga, waxa loo isticmaali karaa in lagu xakameeyo cayayaannada ay ka midka yihiin beeralayda meelaha qallalan.

- Waxa kale oo caadi ahaan loo isticmaalaa isku-dhafka organic sida kicinta iyo dhexdhexaadinta.

 

Habka diyaarinta ee 2-ethoxy-3-isopropylpyrazine waxaa lagu heli karaa tallaabooyinka soo socda:

1. 2-Pyridylcarboxylic acid iyo isopropyl bromide ayaa lagu falceliyaa hoosta catalysis ee saldhigga si loo soo saaro 2-isopropylpyridine.

2. 2-Isopropylpyridine waxaa lagu falceliyaa ethanol ee xaaladaha acidic si loo dhaliyo 2-ethoxy-3-isopropylpyrazine.

 

- Waa daxal iyo daxal, waana in lagu luqluqiyaa biyo badan isla markiiba ka dib marka maqaarka iyo indhaha la taabto.

- Qalabka ilaalinta shakhsi ahaaneed ee habboon sida muraayadaha badbaadada, galoofyada iyo dharka ilaalinta waa in la isticmaalo.

- Inta lagu jiro kaydinta iyo gaadiidka, falcelinta leh oksidants iyo acids waa in laga fogaado, heerkulka sare iyo qorraxda tooska ah waa in laga fogaadaa.

 


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