44702 2-甲基苯乙烯 98% 5ml 1245
熔点:170-172℃ 沸点:171℃ 密度:0.92 闪点：58℃ 折光率:1.5450
外观Appearance 液体 红外光谱鉴别Infrared spectrometry Conforms to Structure 纯度Purity ≥98.0% (GC) 比重Specific gravity (20/20) 0.9190 - 0.9230 折光率Refractive index n20/D 1.5430 - 1.5460 稳定剂Stablizer 0.1% 4-tert-butylcatechol