熔点  125-131 °C 
比旋光度  -46 º (c=1, MeOH)

外观Appearance                          白色粉末
红外光谱鉴定Infrared spectrometry       和对照品匹配 
纯度Purity                              ≥99.0% (HPLC) 
CMC (H2O)                               ~ 9 mM1 (0.28%)
聚合数量Aggregation Number (H2O)2         ~ 189
dn/dc (H2O)3                             0.1562 mL/g
alpha                                   < 2% (HPLC)
pH (0.5% 溶液)                          5-8 
水溶性Solubility in water at 0-5°C     0.8% 
电导系数Conductance (0.5% 溶液)         < 40 µS
荧光fluorescence                        345 nm < 10%（0.1% 去垢剂溶液）
吸光度Absorbance（1% 去垢剂溶液）:
  340 nm                                < 0.1
  280 nm                                < 0.2
  260 nm                                < 0.25
 

危险品标志  Xi 
危险类别码  36/37/38 
安全说明  22-24/25-37/39-26