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Sodium dodecyl sulfate

Cas:
151-21-3
Molecular Structure:
MDL:
--MFCD00036175
Molecular Formula:
C12H25O4NaS; CH3(CH2)11OSO3Na
Molecular Weight:
288.38
Alias:
月桂醇硫酸钠,十二烷基硫酸氢钠,十二醇硫酸钠,发泡粉 Dodecyl sodium sulfate Dodecyl sulfate sodium salt Lauryl sulfate sodium salt SDS Sodium lauryl sulfate
Product order:
Name Specifications Packing Price Delivery
Sodium dodecyl sulfate ACS 100g RMB 308 Consulting service
Sodium dodecyl sulfate 99%,超纯级 25g RMB 173.8 Consulting service
Sodium dodecyl sulfate 99%,超纯级 500g RMB 1848 Consulting service
Sodium dodecyl sulfate 99%,超纯级 100g RMB 426.8 Consulting service
Sodium dodecyl sulfate 97%,电泳专用 500g RMB 748 现货
Sodium dodecyl sulfate 97%,电泳专用 100g RMB 217.8 现货
Sodium dodecyl sulfate AR 500g RMB 38.5 Consulting service
Sodium dodecyl sulfate Ph. Eur,USP级,92% 500g RMB 217.8 Consulting service
Sodium dodecyl sulfate Ph. Eur,USP级,92% 100g RMB 63.8 Consulting service
Character:
白色薄片或粉末结晶。有特殊气味。溶于水呈不透明溶液,溶液呈中性。能乳化脂肪。有湿热空气中分解。有光滑感。1g溶于10ml水中,形成乳状液,水溶液表面张力小,呈中性反应,部分溶于乙醇,几乎不溶于氯仿、乙醚和轻石油。低毒,半数致死量(大鼠,经口)1288mg/kg。有刺激性。溶解度:150 g/l 水 (20°C),75 g/l 乙醇 (20°C)
熔点:206℃
Quality Standard:
 
   Q/(HG)SJ 523-92
项目Item                                   化学纯      分析纯
                                            (CP)        (AR)    
总醇量Assay,%                              ≥59.0       59.5      
鉴别试验Identification                       合格       合格      
溶解度Solubility                             合格       合格        
碱度Alekalinity                              合格       合格        
氯化物、硫酸盐Chloride and sulfate,%       ≤10.0       7.00        
游离碱Free alcohol,%                       ≤4.0        2.00


项目                                       生化试剂级,电泳专用
纯度Purity                                 ≥97.0% (滴定)
溶液外观Appearance of solution             黄色
外观Appearance of substance                白色至黄色粉末
pH (10 %; H2O)                             7.0 - 10.5 (25°C)
氯化钠Sodium chloride                      ≤1.0 %
硫酸钠Sodium sulfate                       ≤2.0 %
水分Water                                  ≤1 %


项目                                       超纯级
纯度Purity                                 ≥99.5% (滴定)
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                                     ≤0.04
280 nm                                     ≤0.02

项目                                        USP级,Ph. Eur
含量Assay (titr.)                           ≥92 %
Alkaline reacting impurities                complies
鉴别试验Identity                            complies
Unesterified alcohols                       ≤ 4.0 %
氯化钠Sodium chloride                       complies
硫酸钠Sodium sulfate                        complies
    


ACS级
项目名称                                             ACS Grade
含量(以干燥成分
的酸度滴定)Assay(acidimetric,on dried basis)          ≥99.0%
脂肪酸(以C12H25OH)Fatty alcohols                      ≥96.0%
吸光率Absorbance(3% w/v)                              ≤0.1AU
干燥失重Loss on drying                                ≤1.0%
可滴定碱Titrable base                                 ≤0.06meq/g
重金属(以Pb计)Heavy metals                            ≤0.002%
氯化钠和硫酸钠Sodium chloride and sodium sulfate      ≤8%
游离醇Unsulfated alcohols                             ≤4%

Storage:
密封干燥保存。
用途  生化分析,电泳,离子对试剂
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