37571 甲基-β-环糊精 average Mn 1310 500g 5936
37572 甲基-β-环糊精 average Mn 1310 100g 1369
37573 甲基-β-环糊精 average Mn 1310 25g 570
37574 甲基-β-环糊精 average Mn 1310 5g 215
溶于甲醇、丙酮、吡啶和二甲基亚砜 Bulk density ~ 0.2 – 0.3 g/ml Melting range: 160 – 190 °C (decomp)
Average mol. wt: ~ 1310 外观Appearance 白色粉末 红外光谱鉴别Infrared spectrometry Conforms 核磁Proton NMR spectra Conforms 熔点Melting point 160°C - 190°C 水溶解试验solubility in water 合格，> 200 g in 100 ml at 25°C 比旋光度Specific rotation [a]20/D + 164 +/- 3°(C=5%, H2O) 取代度Degree of substitution (per anhydro glucose unit): 1.7 – 1.9 Optical density of a 10% solution: 0.1 max. (350-600 nm); 1.0 max. (220-350 nm) 还原物质Reducing compounds <0.5 %(determined as dextrose) β-环糊精β-Cyclodextrin: ≤0.1% 残留溶剂Residual solvents Methanol < 0.005% 甲基氯methyl chloride < 1 ppm 氯Chloride: ≤500 ppm 重金属Heavy metals: ≤10 ppm 干燥损失Loss on drying: ≤5.0 % 灼烧残渣Residue on ignition (sulphated ash):≤0.1%

增加非极性物质的溶解性，如脂肪酸、脂类、维生素和胆固醇，用于细胞培养中。