商品名：十二烷基硫酸钠
别 名：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
英文名：Sodium dodecyl sulfate
产 地：湖南
Cas号：151-21-3
MDL：MFCD00036175
Beilstein：3599286
EINECS：205-788-1
分子结构：
分子式：C12H25O4NaS； CH3(CH2)11OSO3Na
分子量：288.3800
备注：说明：生化研究，用于从蛋白质中分离核酸，从宿主细胞中脱落某些病毒；蛋白电泳试剂，也可用于质粒提取。
性状：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℃
质量标准：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Item 化学纯 (CP) 总醇量Assay,% ≥59.0 鉴别试验Identification 合格 溶解度Solubility 合格 碱度Alekalinity 合格 氯化物、硫酸盐Chloride and sulfate,% ≤10.0 游离碱Free alcohol,% ≤4.0 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 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 项目名称 ACS Grade 外观Appearance White Flakes or Powder 红外光谱Infrared spectrum Conforms to Structure 紫外可见吸光度UV/VIS Absorbance ≤0.1 （220 - 350nm c = 3%; Water) 不饱和醇Unsulfated Alcohols ≤4.0 % 纯度Purity (Titration by NaOH) ≥99.0 % 纯度Purity (GC) ≥96.0 % % Fatty Alcohols(as C12H25OH) 干燥损失Loss on Drying ≤1.0 % 105℃, Constant Wt 总盐Total % NaCl and Na2SO4 ≤8.0 % 重金属Heavy Metal(as Lead) ≤0.002 % 可滴定碱Titratable base ≤0.06 meq 品级Grade 分子生物学级，≥98.5% (GC) (for molecular biology, ≥98.5% (GC)) 外观appearance white to off-white powder 水溶性solubility clear colorless to very faint yellow solution at 20g plus 100ml of water 水分water by karl fischer ≤2.0% 钠sodium 7.0 to 9.0 % 铅lead ≤ppm 氯chloride ≤500 ppm 磷酸盐phosphate ≤10 ppm uv absorbance (3% w/v in water) ≤ 0.3 at 260 nm uv absorbance (3% w/v in water) ≤ 0.3 at 280 nm DNASE, (EXONUCLEASE) none detected RNASE none detected 纯度purity by titration ≥ 98.5% 纯度purity (GC) ≥ 98.5% 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
存储：密封阴凉干燥保存
用途：生化分析，电泳，离子对试剂
联合编号：2926
RISK：
Safety：
Hazard：