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Merck
CN

H5882

Sigma-Aldrich

溴化十六烷基三甲铵

≥98%

别名:

CTAB, 溴化十六烷基三甲铵, 溴棕三甲铵, 鲸蜡烷三甲基溴化铵

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About This Item

线性分子式:
CH3(CH2)15N(Br)(CH3)3
CAS号:
分子量:
364.45
Beilstein:
3598189
EC 号:
MDL编号:
UNSPSC代码:
12161900
PubChem化学物质编号:
NACRES:
NA.21

描述

cationic

质量水平

方案

≥98%

表单

(solids)

分子量

micellar avg mol wt 62,000

聚集数

170

技术

DNA extraction: suitable
RNA extraction: suitable

pH值(酸碱度)

5.0-7 (25 °C, 36.4 g/L)

CMC

0.92 mM (20-25°C)

mp

248-251 °C (lit.)

溶解性

H2O: 100 mg/mL

HLB

10

SMILES字符串

[Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C

InChI

1S/C19H42N.BrH/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(2,3)4;/h5-19H2,1-4H3;1H/q+1;/p-1

InChI key

LZZYPRNAOMGNLH-UHFFFAOYSA-M

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一般描述

溴化十六烷基三甲铵是一种具有杀菌功能的阳离子洗涤剂。其活性可通过肥皂和阴离子洗涤剂中和。十六烷基三甲基溴化铵(CTAB)在碱性条件下可对革兰氏阳性和革兰氏阴性细菌具有高效性。

应用

溴化十六烷基三甲铵已:
  • 用作磷酸钠缓冲液中匀浆组织的组分,以测定髓过氧化物酶的活性
  • 用于通过表面等离子共振合成金纳米棒,以便进行对比研究
  • 用于合成金纳米棒,以研究优质溴化十六烷基三甲铵(CTAB)和含碘杂质的CTAB对合成的影响

生化/生理作用

溴化十六烷基三甲铵或十六烷基三甲基溴化铵(CTAB)可用于分离植物高分子量DNA(通过快速方法)以及用于聚合酶链反应(PCR)分析的植物DNA。它在沉淀核酸中起着关键作用。CTAB可用作高氯酸盐电位滴定的滴定液。它还可用作相转移催化剂,以用于芳烃和杂环化合物的还原。它适用于测定电泳系统中的蛋白质分子量。CTAB还可用于测定洗涤剂的临界胶束浓度。

特点和优势

  • 增强伴刀豆球蛋白A介导的凝集

免责声明

本品不可用作全球生物杀灭剂法规监管的生物杀灭剂,包括但不限于:美国联邦杀虫剂、杀菌剂和灭鼠剂法(US EPA′s Federal Insecticide Fungicide and Rodenticide Act)、欧盟生物杀灭剂法规(European Biocidal Products Regulation)、加拿大虫害管理监管机构(Canada’s Pest Management Regulatory Agency)、土耳其生物杀灭剂法规(Turkey’s Biocidal Products Regulation)、韩国生物杀灭剂法(Korea’s Consumer Chemical Products and Biocide Safety Management Act (K-BPR))等。

警示用语:

Danger

危险分类

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

靶器官

Gastrointestinal tract, Respiratory system

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

471.2 °F - closed cup

闪点(°C)

244 °C - closed cup

个人防护装备

dust mask type N95 (US), Eyeshields, Faceshields, Gloves


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We investigated conditions for selective solubilization of the intermediate filament (IF) of BHK-21 cells, and found that a cationic detergent, cetyltrimethylammonium bromide (CTAB), was effective for rapid dissociation of IF into the monomeric form. More selective dissociation was performed with
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Langmuir : the ACS journal of surfaces and colloids, 26(7), 5050-5055 (2010-03-09)
Recent reports [Smith and Korgel Langmuir 2008, 24, 644-649 and Smith et al. Langmuir 2009, 25, 9518-9524] have implicated certain hexadecyltrimethylammonium bromide (CTAB) products with iodide impurities, in the failure of a seed-mediated, silver and surfactant-assisted growth protocol, to produce
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