甲基丙烯酸羥乙酯   HEMA

一， 理化指標(biāo)Characteristic Index

2-Hydroxyethyl methacrylate(HEMA)

HEMA甲基丙烯酸羥乙酯的簡(jiǎn)稱

2-Hydroxyethyl methacrylate abbreviation: HEMA

HEMA CAS NO: 868-77-9   海關(guān)編碼HS code: 2916140000

分子式(Formula Weight):  C6H10O3

分子量(Molecular Weight):  130.14

分子結(jié)構(gòu)Molecular structure：

密度(density)：1.066

化學(xué)式(chemical formula)：CH2=C(CH3)COOCH2CH(OH)CH3

純度purity (%)： 98.0(PSDB法)

水份water content (%)：highest 0.3

顏色Color(APHA)：highest 25

凝固點(diǎn)solidifying point(℃)：－57

沸點(diǎn)·蒸汽壓Boiling Point vapour pressure (℃/hpa)：96/13.3

閃點(diǎn)flash point (℃)：106/206°F

二，質(zhì)量與指標(biāo)Quality and Index：

外觀: 無(wú)色透明易流動(dòng)液體

Appearance: clear transparent flowable liquid.

含量(Purity): 97%

物化性質(zhì)(Physical Properties)

熔點(diǎn)(Melting Point):-12℃

沸點(diǎn)(Boiling Point):95℃(1.333kPa),87℃(0.67kPa),71-73℃(0.267kPa)

相對(duì)密度(relative density):1.074(20/4℃)

折射率(refractive index):1.4505

閃點(diǎn)(開杯)( flash point in open cup):108℃