白至微黄色粉末，微有特殊气味。 易溶于水。
熔点  204-207 °C(lit.) 
密度  1.03 g/mL at 20 °C 
闪点  >100°C

品级Grade                                      分析纯   
                                                          (AR) 
外观Appearance                         White to Off-White Powder 
溶解性Solubility                       Faint Yellow ，Clear to Slightly Hazy ，200 mg/mL, H2O 
水分Water (by Karl Fischer)            ≤3 % 
钠Sodium (Na)                          7.6 - 8.3 % 
  as is 
滴定Titration                          92.5 - 100.5 % Based on total alkyl sulfate content 
纯度Purity (GC)                        ≥65 % 
  lauryl sulfate, sodium salt 



项目                                     电泳级，≥97% (GC)
                                      (for electrophoresis, ≥97% (GC))
外观Appearance                             White to Off-White Powder
溶解性Solubility                           Colorless,Clear,200 mg/ml, H2O
氯Chloride (Cl)                            ≤ 500 ppm
By Specific Ion Electrode
磷酸根Phosphate                           ≤10 ppm
A260 UV Absorption                        ≤0.1，3% in H2O
A280 UV Absorption                        ≤0.1，3% in H2O
聚丙烯酰胺凝胶电泳试验Test for use in denatured polyacrylamide gel electrophoresis
                                          Pass
纯化Purity (GC)                           ≥ 97 %
重金属Heavy Metals (as Lead)              ≤ 10 ppm
pH (10 %; H2O)                            7.0 - 10.5 (25°C) 




项目                                   超纯级, ≥99.0% (GC)
                                     (Ultra pure, ≥99.0% (GC))
外观appearance                            white powder
红外光谱Infrared spectrometry             Conforms to Structure
纯度Purity                                 ≥99.5% (滴定) 
纯度Purity                                 ≥99.0% (GC)
水溶性solubility                           clear colorless (0.1m in water) 
干燥损失loss on drying                     ≤0.5% (hv, 20-25°C) 
不溶物杂质insoluble matter                 passes filter test 
pH (0.1 M; H2O)                            6.5 - 8.0 (25°C) 
水分Water                                  ≤0.05 % 
氯离子Chloride                             ≤0.005 % 
磷酸根Phosphate                            ≤0.0001 % 
铅Pb                                       ≤0.0001 % 
吸光度A (1 cm/0.1 M in water)  
260 nm                                     ≤0.08 
280 nm                                     ≤0.05 
品级Grade                         离子对色谱级，≥99.0% (GC)   
                                (for ion pair chromatography，≥99.0% (GC)）  
纯度Purity(GC)                        ≥99.0% (GC) 
熔点mp                                204-207 °C
λ                                10 % in H2O 
UV absorption λ: 210 nm A:            ≤0.1 
  λ: 220 nm A:                        ≤0.06 
  λ: 230 nm A:                        ≤0.04 
  λ: 260 nm A:                        ≤0.02 
  λ: 500 nm A:                        ≤0.02 
RP gradient test                      corresponds to standard
filter test                           corresponds to standard

用作洗涤剂原料、印染工业的匀染剂、矿物的浮选剂。 
    
储存于阴凉、通风的库房。远离火种、热源。应与氧化剂分开存放，切忌混储。配备相应品种和数量的消防器材。储区应备有合适的材料收容泄漏物。