理化指标CharacteristicIndex
2-Hydroxyethylmethacrylate(HEMA)
HEMA甲基丙烯酸羟乙酯的简称
2-Hydroxyethylmethacrylate abbreviation: HEMA
HEMA CASNO: 868-77-9 海关编码HScode: 2916140000
分子式(FormulaWeight): C6H10O3
分子量(MolecularWeight): 130.14
分子结构Molecularstructure:
密度(density):1.066
化学式(chemicalformula):CH2=C(CH3)COOCH2CH(OH)CH3
纯度purity(%):98.0(PSDB法)
水份watercontent (%):highest0.3
颜色Color(APHA):highest25
凝固点solidifyingpoint(℃):-57
沸点·蒸汽压BoilingPoint vapour pressure (℃/hpa):96/13.3
闪点flashpoint (℃):106/206°F
质量与指标Qualityand Index:
外观:无色透明易流动液体
Appearance: cleartransparent flowable liquid.
含量(Purity):97%
物化性质(PhysicalProperties)
熔点(MeltingPoint): -12℃
沸点(BoilingPoint): 95℃(1.333kPa),87℃(0.67kPa),71-73℃(0.267kPa)
相对密度(relativedensity):1.074(20/4℃)
折射率(refractiveindex):1.4505
闪点(开杯)(flash point in open cup):108℃
Tg值/玻璃化温度(glasstransition temperature)Tg value(℃):55
阻聚剂inhibitor(MEHQ,ppm):210
酸度Acidity(以甲基丙烯酸计methacrylicacid,%):0.2