2-Methyl-3,4-Pentadienoic Acid Ethyl Ester(CAS#60523-21-9)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule	C8H12O2
'Misa oa Molar	140.18
Botenya	0.886±0.06 g/cm3(E boletsoeng esale pele)
Boling Point	172.6±10.0 °C(E boletsoeng esale pele)
JECFA Nomoro	353
Thepa ea 'Mele le ea Lik'hemik'hale	Ntho e belang 160 ℃ kapa 88~90 ℃(7333Pa). E na le litholoana, ka monokotsoai, lipere le liapole.

Re romelle lengolo-tsoibila

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Selelekela

Ethyl 2-methyl-3,4-pentadienoic acid ke motsoako oa lintho tse phelang, hangata o khutsufatsoa e le MEHQ. Se latelang ke selelekela sa mofuta, tšebeliso, mokhoa oa tlhahiso le tlhaiso-leseling ea polokeho ea MEHQ:

Boleng:

- Ponahalo: MEHQ ke mokelikeli o se nang 'mala ho isa ho o mosehla o khanyang.

- Sollubility: MEHQ e qhibiliha ka har'a lihlapolli tse ling tse kang ethers, alcohols le ketones, 'me ha e qhibilihe ka metsing.

Sebelisa:

- Antioxidants: MEHQ e sebelisoa haholo e le antioxidant lihlahisoa tsa rabara le tsa polasetiki ho lelefatsa bophelo ba eona tlas'a mocheso o phahameng le maemo a mahlaseli a UV.

- Li-stabilizers tsa leseli: MEHQ e boetse e sebelisoa ho litlolo tsa letsatsi le lihlahisoa tse sireletsang letsatsi ka lebaka la thepa ea eona e hanyetsanang le UV.

Mokhoa:

Mokhoa o tloaelehileng oa ho lokisetsa MEHQ ke ka esterification ea 2-methyl-3,4-pentadienic acid (Mesaconic acid) e nang le ethanol, hangata tlas'a maemo a acidic.

Lintlha tsa Tšireletseho:

MEHQ ke ntho e chefo e ka bang kotsi ea bophelo bo botle haeba e pepesitsoe le ho hema. Litlhokomelo tse ling tsa polokeho ke tsena:

- Apara lisebelisoa tse nepahetseng tsa ts'ireletso, joalo ka liaparo tse sireletsang mahlo le liatlana, ha u sebelisoa.

- Sebelisa sebakeng se nang le moea o motle 'me u qobe ho hema mouoane oa eona.

- Boloka ka sejaneng se sa keneleng moea, hole le mollo le mocheso o phahameng.

E fetileng: Ethyl anthranilate(CAS#87-25-2)

E 'ngoe: Grapefruit, ext(CAS#90045-43-5)

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