Merck
All Photos(4)

L6026

Sigma-Aldrich

十二烷基硫酸钠

BioXtra, ≥99.0% (GC)

Synonym(s):
Dodecyl sodium sulfate, Dodecyl sulfate 钠盐, SDS, Sodium lauryl sulfate, 月桂基硫酸盐 钠盐
Linear Formula:
CH3(CH2)11OSO3Na
CAS Number:
Molecular Weight:
288.38
Beilstein:
3599286
EC 号:
MDL编号:
eCl@ss:
39093306
PubChem化学物质编号:
NACRES:
NA.21

描述

anionic

质量水平

200

产品线

BioXtra

测定

≥99.0% (GC)

分子量

micellar avg mol wt 18,000

聚集数

62

杂质

Insoluble matter, passes filter test

缺失

≤0.5% loss on drying, HV, 20-25 °C

CMC

7-10 mM (20-25°C)

mp

204-207 °C (lit.)

转变温度

cloud point >100 °C

溶解性

H2O: 0.1 M, clear, colorless

痕量阴离子

chloride (Cl-): ≤0.05%
phosphate (PO43-): ≤0.0001%

痕量阳离子

Al: ≤0.0005%
Ba: ≤0.0005%
Bi: ≤0.0005%
Ca: ≤0.001%
Cd: ≤0.0005%
Co: ≤0.0005%
Cr: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.02%
Li: ≤0.0005%
Mg: ≤0.0005%
Mn: ≤0.0005%
Mo: ≤0.0005%
Ni: ≤0.0005%
Pb: ≤0.0005%
Sr: ≤0.0005%
Zn: ≤0.0005%

吸光度

≤0.05 at 280 in H2O at 0.1 M
≤0.08 at 260 in H2O at 0.1 M

HLB

40

SMILES string

[Na+].CCCCCCCCCCCCOS([O-])(=O)=O

InChI

1S/C12H26O4S.Na/c1-2-3-4-5-6-7-8-9-10-11-12-16-17(13,14)15;/h2-12H2,1H3,(H,13,14,15);/q;+1/p-1

InChI key

DBMJMQXJHONAFJ-UHFFFAOYSA-M

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一般描述

十二烷基硫酸钠(SDS)是一种阴离子表面活性剂,具有使蛋白质变性的能力。它具有一个带有带负电荷的硫酸盐长链脂肪族基团。这使得SDS成为一种两亲性去污剂。

应用

十二烷基硫酸钠已用作:
  • 通过表面等离子体共振评估细胞色素c亲和力的表面活性剂
  • 颗粒增强免疫测定的表面活性剂,以抑制颗粒聚集并增强单个微球偶联
  • 生物膜破坏剂。

阴离子洗涤剂

包装

50, 250 g in poly bottle
1 kg in poly bottle

象形图

CorrosionExclamation mark

警示用语:

Danger

危险分类

Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Skin Irrit. 2

储存分类代码

11 - Combustible Solids

WGK

WGK 2

闪点(F)

338.0 °F

闪点(C)

170 °C

个人防护装备

Eyeshields, Faceshields, Gloves, type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges

Certificate of Analysis

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Certificate of Origin

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