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甲基丙烯酸羥乙酯

英文名稱:2-Hydroxyethyl methacrylate

甲基丙烯酸-2-羥乙酯; 甲基丙烯酸2-羥乙酯; 2-羥基乙基甲基丙烯酸酯; 乙二醇單甲基丙烯酸酯;

英文別稱:2-HYDROXYETHYL METHACRYLATE (2-HEMA); ETHYLENEGLYCOL METHACRYLATE (HEMA); ethylene glycol monomethacrylate; HYDROXYETHYL METHACRYLATE; 2-Hydroxyethyl methacrylate;

CAS : 868-77-9 精確質量 : 130.06300
分子式 : C6H10O3 logP : 0.09800
分子量 : 130.14200 PSA : 46.53000
化浪參考價: ¥332.00

化合物簡介

Hydroxyethylmethacrylate or HEMA is the monomer that is used to make the polymer polyhydroxyethylmethacrylate. The polymer is hydrophobic; however, when the polymer is subjected to water it will swell due to the molecule's hydrophilic pendant group. Depending on the physical and chemical structure of the polymer, it is capable of absorbing from 10 to 600% water relative to the dry weight. Because of this property, it was one of the first materials to be successfully used in the manufacture of flexible contact lenses

物化性質

外觀與性狀:無色液體

密度:1.073 g/mL at 25 °C(lit.)

沸點:67 °C3.5 mm Hg(lit.)

熔點:-12 °C

閃點:207 °F

折射率:n20/D 1.453(lit.)

水溶解性:soluble

穩定性:Unstable - may polymerize in the absence of stabilizer. May be stabilized with, or contain small amounts of, diethylene glycol monomethacrylate, di(ethylene glycol)dimethacrylate, methacrylic acid. Incompatible with strong oxidizing agents, free radical in

儲存條件:2-8ºC

蒸汽密度:5 (vs air)

蒸汽壓:0.364mmHg at 25°C

安全信息

RTECS號:OZ4725000

安全說明:S26-S36/37-S28A-S28

WGK Germany:1

危險類別碼:R36/38; R43

海關編碼:2916140000

危險品標志:Xi

合成路線

毒性

LD50 orally in Rabbit: 5050 mg/kg LD50 dermal Rabbit > 3000 mg/kg

圖譜

暫無

MSDS

暫無

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