Cas号20777-49-5分子式C12H20O2分子量196.29外观Appearance无色液体红外光谱InfraredSpectrumConforms纯度Purity≥98.0%(GC)折光率RefractiveIndexn20/D1.458-1.462颜色测试Colortest<100(APHA)***Arsenic(As)≤3ppm镉Cadmium(Cd)≤1ppm***Mercury(Hg)≤1ppm铅Lead(Pb)≤10ppm)