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mankhwala

trans-2-Heptenal(CAS#18829-55-5)

Chemical Property:

Molecular Formula C7H12O
Misa ya Molar 112.17
Kuchulukana 0.857g/mLat 25°C(lat.)
Melting Point -53.35°C (kuyerekeza)
Boling Point 90-91°C50mm Hg(kuyatsa)
Pophulikira 128°F
Nambala ya JECFA 1360
Kuthamanga kwa Vapor 3.22mmHg pa 25°C
Kuchuluka kwa Vapor > 1 (vs mpweya)
Maonekedwe mwaukhondo
Mtundu Zopanda mtundu mpaka zowala zachikasu mpaka kuwala lalanje
Mtengo wa BRN 1700822
Mkhalidwe Wosungira 2-8 ° C
Refractive Index n20/D 1.450(lit.)
Zakuthupi ndi Zamankhwala Kuchuluka kwa Nthunzi:> 1 (vs mpweya)
Malo osungira: rebgerator (4 °c) malo okhala ndi mbendera
WGK Germany: 3
RTECS: MJ8795000

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa R10 - Yoyaka
R20/21 - Zowopsa pokoka mpweya komanso kukhudzana ndi khungu.
R43 - Itha kuyambitsa chidwi pakukhudzana ndi khungu
Kufotokozera Zachitetezo S16 - Khalani kutali ndi magwero oyatsira.
S36/37 - Valani zovala zoyenera zodzitchinjiriza ndi magolovesi.
Ma ID a UN UN 1988 3/PG 3
WGK Germany 3
Mtengo wa RTECS MJ8795000
FLUKA BRAND F CODES 10-23
HS kodi 29121900
Zowopsa Zokwiyitsa
Kalasi Yowopsa 3.2
Packing Group III

 

Mawu Oyamba

(E) -2-heptenal ndi organic pawiri. Zotsatirazi ndizofotokozera mwachidule za katundu, ntchito, njira zokonzekera, ndi chidziwitso cha chitetezo cha pawiri:

 

Ubwino:

(E) -2-heptenal ndi madzi opanda mtundu okhala ndi fungo loipa. Pawiriyi imakhala ndi polarity yofooka ndipo imasungunuka mu ethanol ndi ether solvents.

 

Gwiritsani ntchito:

(E) -2-heptenal ili ndi phindu linalake pamakampani opanga mankhwala. Amagwiritsidwa ntchito makamaka ngati wapakatikati pakupanga mafuta onunkhira komanso mankhwala ena.

 

Njira:

Kukonzekera kwa (E) -2-heptenal nthawi zambiri kumapezeka ndi okosijeni wa heptene. Njira yodziwika bwino ndiyo kupatsira mpweya mu njira ya heptene's acetic acid acyl oxidizer kuti apange (E) -2-heptenal ndi acetic acid. Njira zochiritsira zotsatizana nazo zikuphatikizapo kuthira distillation, kuyeretsa, ndi kuchotsa zonyansa.

 

Zambiri Zachitetezo:

(E) -2-heptenal ndi chigawo chokwiyitsa ndipo chisamaliro chiyenera kutengedwa chifukwa cha kukhudzana kwake ndi kupuma. Kuwonekera kwa nthawi yayitali kapena kwakukulu kumatha kuwononga khungu, maso, ndi kupuma. Mukamagwiritsa ntchito (E) -2-heptenal, njira zoyenera zodzitetezera monga magolovesi oteteza ndi magalasi ziyenera kutengedwa kuti zitsimikizire mpweya wabwino. Posunga ndikugwiritsa ntchito mankhwalawa, njira zotetezeka ziyenera kuwonedwa, pomwe ziyenera kuchitidwa mosamala kuti zisakhudze zinthu zoyaka moto kapena kuphulika.


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