Merck
All Photos(4)

L6026

Sigma-Aldrich

十二烷基硫酸钠

BioXtra, ≥99.0% (GC)

Synonym(s):
SDS, 十二烷基硫酸盐 钠盐, 十二烷基硫酸钠, 月桂基硫酸盐 钠盐, 月桂基硫酸钠
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

产品线

BioXtra

检测方案

≥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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十二烷基硫酸钠

description

anionic

description

anionic

description

anionic

description

anionic

product line

BioXtra

product line

BioUltra

product line

BioReagent

product line

BioReagent, Redi-Dri

assay

≥99.0% (GC)

assay

≥99.0% (GC)

assay

≥98.5% (GC)

assay

≥98.5% (GC)

mol wt

micellar avg mol wt 18,000

mol wt

micellar avg mol wt 18,000

mol wt

micellar 18,000

mol wt

micellar 18,000

aggregation number

62

aggregation number

62

aggregation number

62

aggregation number

62

impurities

Insoluble matter, passes filter test

impurities

DNases, none detected, RNases, none detected, insoluble matter, passes filter test, phosphatases, none detected, proteases, none detected

impurities

-

impurities

-

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

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 P3 (EN 143) respirator cartridges


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