MDL：
--MFCD00036175

Molecular Formula：
C12H25O4NaS； CH3(CH2)11OSO3Na

Molecular Weight：
288.38

Alias：
月桂醇硫酸鈉,十二烷基硫酸氫鈉，十二醇硫酸鈉，發(fā)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%，超純級	25g	RMB 173.8	Consulting service
Sodium dodecyl sulfate	99%，超純級	500g	RMB 1848	Consulting service
Sodium dodecyl sulfate	99%，超純級	100g	RMB 426.8	Consulting service
Sodium dodecyl sulfate	97%，電泳專用	500g	RMB 748	現貨
Sodium dodecyl sulfate	97%，電泳專用	100g	RMB 217.8	現貨
Sodium dodecyl sulfate	AR	500g	RMB 38.5	Consulting service
Sodium dodecyl sulfate	Ph. Eur，USP級，92%	500g	RMB 217.8	Consulting service
Sodium dodecyl sulfate	Ph. Eur，USP級，92%	100g	RMB 63.8	Consulting service

Character：
白色薄片或粉末結晶。有特殊氣味。溶于水呈不透明溶液，溶液呈中性。能乳化脂肪。有濕熱空氣中分解。有光滑感。1g溶于10ml水中，形成乳狀液，水溶液表面張力小，呈中性反應，部分溶于乙醇，幾乎不溶于氯仿、乙醚和輕石油。低毒，半數致死量(大鼠，經口)1288mg/kg。有刺激性。溶解度:150 g/l 水 (20°C)，75 g/l 乙醇 (20°C)
熔點：206℃

Quality Standard：
 
   Q/(HG)SJ 523-92
項目Item                                   化學純      分析純
                                            (CP)        (AR)    
總醇量Assay,%                              ≥59.0       59.5      
鑒別試驗Identification                       合格       合格      
溶解度Solubility                             合格       合格        
堿度Alekalinity                              合格       合格        
氯化物、硫酸鹽Chloride and sulfate,%       ≤10.0       7.00        
游離堿Free alcohol,%                       ≤4.0        2.00

項目                                       生化試劑級，電泳專用
純度Purity                                 ≥97.0% (滴定)
溶液外觀Appearance of solution             黃色
外觀Appearance of substance                白色至黃色粉末
pH (10 %; H2O)                             7.0 - 10.5 (25°C)
氯化鈉Sodium chloride                      ≤1.0 %
硫酸鈉Sodium sulfate                       ≤2.0 %
水分Water                                  ≤1 %

項目                                       超純級
純度Purity                                 ≥99.5% (滴定)
pH (0.1 M; H2O)                            6.5 - 8.0 (25°C)
水分Water                                  ≤0.05 %
氯離子Chloride                             ≤0.005 %
磷酸根Phosphate                            ≤0.0001 %
鉛Pb                                       ≤0.0001 %
吸光度A (1 cm/0.1 M in water)  
260 nm                                     ≤0.04
280 nm                                     ≤0.02

項目                                        USP級，Ph. Eur
含量Assay (titr.)                           ≥92 %
Alkaline reacting impurities                complies
鑒別試驗Identity                            complies
Unesterified alcohols                       ≤ 4.0 %
氯化鈉Sodium chloride                       complies
硫酸鈉Sodium sulfate                        complies
    

ACS級
項目名稱　                                            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%
可滴定堿Titrable base                                 ≤0.06meq/g
重金屬(以Pb計)Heavy metals                            ≤0.002%
氯化鈉和硫酸鈉Sodium chloride and sodium sulfate      ≤8%
游離醇Unsulfated alcohols                             ≤4%

Storage：
密封干燥保存。
用途  生化分析，電泳，離子對試劑