Cas号124-17-4Beilstein1771533分子式C10H20O4；CH3COOCH2CH2OCH2CH2O(CH2)3CH3分子量204.26别名***二甘醇单丁基醚,***-2-(2-丁氧基乙氧基)乙(醇)酯,***丁基卡必醇酯,丁基二甘醇***酯,丁基卡必醇***酯，二乙二醇丁醚***酯外观Appearance无色透明液体纯度Purity≥99.5%(GC)比重Specificgr***ity(20/20°C)0.9810&plu***n;0.005折光率Refractiveindexn20/D1.3900-1.3930水份water≤0.05%酸度Acidity≤0.04%馏程Boilingpoint(760mmHg°C)238.0-253.0色度Colorscale≤25(Pt-Co))