一, 理化指標Characteristic Index
2-Hydroxyethyl methacrylate(HEMA)
HEMA甲基丙烯酸羥乙酯的簡稱
2-Hydroxyethyl methacrylate abbreviation: HEMA
HEMA CAS NO: 868-77-9 海關編碼HS code: 2916140000
分子式(Formula Weight): C6H10O3 分子量(Molecular Weight): 130.14
分子結構Molecular structure:
密度(density):1.066
化學式(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solidifying point(℃):-57
沸點•蒸汽壓Boiling Point vapour pressure (℃/hpa):96/13.3
閃點flash point (℃):106/206°F
二,質量與指標Quality and Index: 外觀: 無色透明易流動液體
Appearance: clear transparent flowable liquid. 含量(Purity): 97%
物化性質(Physical Properties) 熔點(Melting Point): -12℃ 沸點(Boiling Point): 95℃(1.333kPa),87℃(0.67kPa),71-73℃(0.267kPa) 相對密度(relative density):1.074(20/4℃) 折射率(refractive index):1.4505 閃點(開杯)( flash point in open cup):108℃ Tg值/玻璃化溫度(glass transition temperature)Tg value (℃):55
阻聚劑inhibitor (MEHQ,ppm):210
酸度Acidity(以甲基丙烯酸計methacrylic acid,%):0. |
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