Ethylene glycol, yomwe imadziwikanso kuti glycol, ndi diol yosavuta kwambiri ya aliphatic. Ili ndi mphamvu ya mankhwala a alcohols, monga kuthekera kopanga ma ether ndi ma ester, imatha kusungunuka kuti ipange ma aldehydes kapena ma acid, ndipo imatha kusungunuka kuti ipange ma ether.

Mawonekedwe: madzi opanda mtundu, owonekera, okhuthala.

Ntchito: Ethylene glycol imagwiritsidwa ntchito makamaka ngati zinthu zopangira ulusi wa polyester ndipo imagwiritsidwanso ntchito mu ma polyester resins ena, ma polyester resins osakhuta, ndi utoto wa polyester wa 1730. Mitundu yosiyanasiyana ya ma surfactants ingachokere ku ethylene glycol ndi polyethylene glycol. Dinitro compound yake, dinitroethylene glycol, ndi yophulika. Ethylene glycol imatha kuchepetsa kuzizira kwa madzi ndipo chifukwa chake nthawi zambiri imagwiritsidwa ntchito ngati antifreeze.

Katundu wa Ethylene glycol

Malo osungunuka -13°C (lit.)

Malo otentha 195-198°C

Kuchulukana 1.113 g/mL pa 25°C (lit.)

Kuchuluka kwa nthunzi 2.1 (poyerekeza ndi mpweya) Kuthamanga kwa nthunzi 0.08 mmHg (20°C)

Malo owunikira 230°F

Malo osungira 2-8°C

Kusungunuka m'madzi: Mawonekedwe Osakanikirana Madzi okhuthala Acidity coefficient (pKa) 14.22 (pa 25°C)

Mtundu wabuluu

Polarity yoyerekeza 0.79 pH value 6-7.5 (100 g/l, H2O, 20°C) Fungo (Fungo) Lopanda fungo

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