nūhou

Nā waiwai o ka dimethylaminoethyl ester i hoʻopaʻa ʻia

Kiko heheʻe -60°C,

kiko paila 64°C, 12 mmHg (lit.),

ka nui o ka nui 0.943 g/mL ma 25°C (lit.),

kaomi mahu 0.35 psi (20°C),

helu kuhikuhi refractive n20/D1,

kiko uila 138°F,

nā kūlana mālama 2-8°C,

ka helu ʻakika (pKa) 8.21 ± 0.28 (Wānana ʻia),

wai moakaka, ʻaʻohe kala a i ka melemele palupalu a i ka ʻalani palupalu.

Nā noi: Ma kēia haʻawina, ua hoʻohana ʻia ka dimethylaminoethyl acrylate ma ke ʻano he mea hoʻoheheʻe e noiʻi i ke kūpaʻa hydrolytic o ka poly(2-dimethylamino)methacrylate, kahi i hoʻohālikelike ʻia me ka monomethylaminomethyl acrylate. Ua pili kēia hopena i ka hoʻohui ʻana o ka hui dimethylamino protonated a me ka hui carbonyl, e ʻoi aku ka maʻalahi o ka ester i ka hoʻouka kaua nucleophilic e ka ion hydroxyl.

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Ka manawa hoʻouna: Ian-13-2026