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Merck

H5882

Bromuro de hexadeciltrimetilamonio

≥98%

Sinónimos:

Bromuro de cetiltrimetilamonio, Bromuro de cetrimonio, Bromuro de palmitiltrimetilamonio, CTAB

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Fórmula lineal:
CH3(CH2)15N(Br)(CH3)3
Número CAS:
57-09-0
Peso molecular:
364.45
UNSPSC Code:
12161900
NACRES:
NA.21
PubChem Substance ID:
24895714
EC Number:
200-311-3
Beilstein/REAXYS Number:
3598189
MDL number:
MFCD00011772

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InChI key

LZZYPRNAOMGNLH-UHFFFAOYSA-M

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

SMILES string

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

description

cationic

assay

≥98%

form

(solids)

mol wt

micellar avg mol wt 62,000

aggregation number

170

technique(s)

DNA extraction: suitable, RNA extraction: suitable

pH

5.0-7 (25 °C, 36.4 g/L)

CMC

0.92 mM (20-25°C)

mp

248-251 °C (lit.)

solubility

H2O: 100 mg/mL

density

2.30 g/cm3

HLB

10

application(s)

genomic analysis

Quality Level

300

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General description

Hexadecyltrimethylammonium bromide, a bactericidal, is a cationic detergent. Its activity can be neutralized by soaps and anionic detergents. Cetyltrimethylammonium bromide (CTAB) is effective against Gram-positive and Gram-negative bacteria at alkaline pH.

Application

Hexadecyltrimethylammonium bromide has been used:
  • as a component in sodium phosphate buffer to homogenize tissues for determining myeloperoxidase activity
  • in the synthesis of gold nanorods with surface plasmon resonance for a comparative study
  • in the synthesis of gold nanorods to study the influence of good hexadecyltrimethylammonium bromide (CTAB) and CTAB with iodide impurities on the synthesis

Biochem/physiol Actions

Hexadecyltrimethylammonium bromide or cetyltrimethylammonium bromide (CTAB) can be used to isolate plant high molecular weight DNA (by a rapid method) as well as plant DNA for use in polymerase chain reaction (PCR) analysis. It plays a key role in precipitating nucleic acids. CTAB can be used as titrant for potentiometric titration of perchlorate. It can also be used as a phase-transfer catalyst in the reduction of arenes and heterocyclic compounds. It is suitable for determining protein molecular weights in electrophoretic systems. CTAB can also be used to determine critical micelle concentration of detergents.

Features and Benefits

  • Provides enhancement of concanavalin A mediated agglutination

Disclaimer

The product is not intended for use as a biocide under global biocide regulations, including but not limited to US EPA′s Federal Insecticide Fungicide and Rodenticide Act, European Biocidal Products Regulation, Canada’s Pest Management Regulatory Agency, Turkey’s Biocidal Products Regulation, Korea’s Consumer Chemical Products and Biocide Safety Management Act (K-BPR) and others.

signalword

Danger

Hazard Classifications

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

target_organs

Gastrointestinal tract, Respiratory system

Clase de almacenamiento

11 - Combustible Solids

wgk

WGK 3

flash_point_f

471.2 °F - closed cup

flash_point_c

244 °C - closed cup

ppe

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

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Certificados de análisis (COA)

Lot/Batch Number
SLCM0580
SLCK5555
SLCK0940
SLCJ6258
SLBT7250

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Israa Haidar et al.
Physical chemistry chemical physics : PCCP, 18(47), 32272-32280 (2016-11-17)
The controlled assembly of anisotropic plasmonic nanoparticles (NPs) into highly SERS-active substrates remains particularly challenging for the production of long-term stable NP assemblies in suspension. In this work, we report a simple and efficient strategy to assemble gold nanorods (AuNRs)
Rodrigo Jiménez-Saiz et al.
Frontiers in immunology, 11, 155-155 (2020-03-03)
Eosinophils have emerged as multifaceted cells that contribute to tissue homeostasis. However, the impact of the microbiota on their frequency and function at mucosal sites remains unclear. Here, we investigated the role of the microbiota in the regulation of enteric
Raja Gopal Rayavarapu et al.
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
Lonneke Onrust et al.
Veterinary research, 51(1), 56-56 (2020-04-21)
Butyrate has been used extensively as a feed additive to improve gut health and to decrease Salmonella colonization in poultry. Salmonella mainly colonizes the ceca so butyrate concentrations should be increased in this gut segment. Discrepancies on the effects of
Sebastien Fraud et al.
Antimicrobial agents and chemotherapy, 52(12), 4478-4482 (2008-10-08)
The biocide chlorhexidine (CHX) as well as additional membrane-active agents were shown to induce expression of the mexCD-oprJ multidrug efflux operon, dependent upon the AlgU stress response sigma factor. Hyperexpression of this efflux system in nfxB mutants was also substantially
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