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52340

Sigma-Aldrich

Hexadecylpyridinium bromide

≥97.0%

Sinónimos:

Cetylpyridinium bromide

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About This Item

Fórmula empírica (notación de Hill):
C21H38BrN
Número de CAS:
140-72-7
Peso molecular:
384.44
Beilstein/REAXYS Number:
3778948
EC Number:
205-428-3
MDL number:
MFCD00011988
UNSPSC Code:
12352005
PubChem Substance ID:
57651366
NACRES:
NA.22

description

cationic

Quality Level

100

assay

≥97.0%

mol wt

384.44 g/mol

technique(s)

titration: suitable

SMILES string

[Br-].CCCCCCCCCCCCCCCC[n+]1ccccc1

InChI

1S/C21H38N.BrH/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-16-19-22-20-17-15-18-21-22;/h15,17-18,20-21H,2-14,16,19H2,1H3;1H/q+1;/p-1

InChI key

DVBJBNKEBPCGSY-UHFFFAOYSA-M

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General description

Hexadecylpyridinium bromide (HDPB) is a cationic surfactant with quaternary nitrogen located in the aromatic heterocyclic ring of the headgroup and a hydrocarbon tail consisting of 16 carbons. It has application in the polymerization reaction as well as in the extraction and preconcentration of ionic species.

Application

Hexadecylpyridinium bromide can be used as a cationic surfactant to:
  • Prepare a polyfluorate salt.
  • Inhibit the corrosion of mild steel in acidic media.

signalword

Danger

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

Certificados de análisis (COA)

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Molecular modeling of cetylpyridinium bromide, a cationic surfactant, in solutions and micelle
Verma R, et al.
Journal of chemical theory and computation, 11(11), 5415-5425 (2015)
Inhibition of mild steel corrosion by hexadecylpyridinium bromide in 0.5 M H2SO4}
Saleh MM
Materials Chemistry and Physics, 98(1), 83-89 (2006)
Cationic surfactant-based polyfluorate salts: Phase separation and analytical applications in the extraction and preconcentration of ionic species prior to liquid chromatography
Paleologos EK
Journal of Chromatography A, 1066(1-2), 19-25 (2005)
Jason Lin et al.
Materials (Basel, Switzerland), 13(8) (2020-04-30)
Biphenyl wrinkled mesoporous silica nanoparticles with controlled particle size and high surface area were evaluated for the storage and delivery of doxorubicin. The average particle size and surface area were ~70 nm and ~1100 m2/g. The doxorubicin loading efficiency was
Soma Sharma et al.
The journal of physical chemistry. B, 119(34), 11295-11306 (2015-07-07)
Reverse micelles as nanoreactors have been most successful in designing nanostructures of different sizes and shapes. Nevertheless, important questions regarding the explicit roles of intrinsic parameters in modifying soft colloid templates which eventually give rise to variety of nanostructures are
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