十二烷基硫酸钠|151-21-3|发泡粉;十二醇硫酸钠;十二烷基硫酸酯钠盐;月桂醇硫酸钠;十二烷基硫酸钠(月桂基硫酸钠)SDS|艾科试剂

CAS号:	151-21-3
分子式:	C₁₂H₂₅NaO₄S
分子量:	288.38
别名:	发泡粉;十二醇硫酸钠;十二烷基硫酸酯钠盐;月桂醇硫酸钠;十二烷基硫酸钠(月桂基硫酸钠)SDS

分子结构式:

货号	品名	产品规格	包装	单价(RMB)	可用库存	备注
154572	十二烷基硫酸钠	离子对色谱级，≥99.0% (GC)	10g	528.00	>10	c-d
114546	十二烷基硫酸钠	AR,92%	500g	43.00	>10	促销
114545	十二烷基硫酸钠	CP,90%	500g	38.00	>10	促销
114544	十二烷基硫酸钠	GR,95%	500g	59.00	>10	c-d
114543	十二烷基硫酸钠	97%，电泳专用	100g	155.00	>10	c-d
114542	十二烷基硫酸钠	97%，电泳专用	500g	518.00	>10	c-d
114541	十二烷基硫酸钠	超纯级, ≥99.0% (GC)	25g	176.00	>10	c-d
114540	十二烷基硫酸钠	超纯级, ≥99.0% (GC)	100g	542.00	>10	c-d
114539	十二烷基硫酸钠	Ph. Eur，USP级，92%	100g	49.00	>10	c-d
114538	十二烷基硫酸钠	Ph. Eur，USP级，92%	500g	189.00	>10	c-d

性状

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

质量标准

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

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

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