cetyl pyridinium bromide

N-hexadecylpyridinium bromide

CAS: 140-72-7 C21 H38 Br N MW: 384.44486000

Identification

Namecetyl pyridinium bromide
CAS Number140-72-7
EINECS205-428-3
FDA UNIIO77BKZ14DE
Molecular FormulaC21 H38 Br N
Molecular Weight384.44486000
MDL NumberMFCD00011988
Beilstein3778948

Regulatory

Physical Properties

Assay 95.00 to 100.00
Food Chemicals Codex Listed No
Melting Point 64.50 °C. @ 760.00 mm Hg
Flash Point 32.00 °F. TCC ( 0.00 °C. ) (est)
logP (o/w) 1.699 (est)
Soluble in water, 15.49 mg/L @ 25 °C (est)

No sensory data available

Safety Information

Preferred SDSView
Oral/Parenteral Toxicityunreported-mouse LD50 126 mg/kg
Dermal Toxicityskin-rat LD > 7200 uL/kg
Inhalation ToxicityNot determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Categorypharmaceuticals / chemical synthisis
Recommendation for cetyl pyridinium bromide usage levels up tonot for fragrance use.
Recommendation for cetyl pyridinium bromide flavor usage levels up tonot for flavor use.

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Potential Uses

None Found

Natural Occurrence

not found in nature

Synonyms

acetoquat CPB bromocet cetapharm cetasol cetazol cetylpyridinium bromide 1- cetylpyridinium bromide N- cetylpyridinium bromide 1- hexadecylpyridin-1-ium;bromide hexadecylpyridine bromide hexadecylpyridinium bromide 1- hexadecylpyridinium bromide N- hexadecylpyridinium bromide hexadecylpyridiniumbromide 1- hexadecylpyridiniumbromide morpan CBP pyridinium, 1-hexadecyl-, bromide pyridinium, 1-hexadecyl-, bromide (1:1) seprisan sterogenal sterogenol PubMed: Improved cross validation of a static ubiquitin structure derived from high precision residual dipolar couplings measured in a drug-based liquid crystalline phase. PubMed: Magnetic materials as sorbents for metal/metalloid preconcentration and/or separation. A review. PubMed: Synthesis, self-aggregation and biological properties of alkylphosphocholine and alkylphosphohomocholine derivatives of cetyltrimethylammonium bromide, cetylpyridinium bromide, benzalkonium bromide (C16) and benzethonium chloride. PubMed: Study of the interaction of salmon sperm DNA with myricitrin-CPB based on the enhanced resonance light scattering signal and its potential application. PubMed: Ferrate(VI): a novel oxidant for degradation of cationic surfactant - cetylpyridinium bromide. PubMed: Physicochemical properties and supernucleophilicity of oxime-functionalized surfactants: hydrolytic catalysts toward dephosphorylation of di- and triphosphate esters. PubMed: The analytical application and spectral investigation of DNA-CPB-emodin and sensitive determination of DNA by resonance Rayleigh light scattering technique. PubMed: Processing of surfactant templated nano-structured silica films using compressed carbon dioxide as interpreted from in situ fluorescence spectroscopy. PubMed: Surfactant media for constant-current coulometry. Application for the determination of antioxidants in pharmaceuticals. PubMed: Supercritical carbon dioxide swelling of fluorinated and hydrocarbon surfactant templates in mesoporous silica thin films. PubMed: Adsorption of tannic acid from aqueous solution onto surfactant-modified zeolite. PubMed: Silica-modified magnetic nanoparticles functionalized with cetylpyridinium bromide for the preconcentration of metals after complexation with 8-hydroxyquinoline. PubMed: Molecular ordering of mixed surfactants in mesoporous silicas: a solid-state NMR study. PubMed: Removal of nitrate from aqueous solution using cetylpyridinium bromide (CPB) modified zeolite as adsorbent. PubMed: Removal of humic acid from aqueous solution by cetylpyridinium bromide modified zeolite. PubMed: Antimicrobial organophilic montmorillonite nanoparticles: screening and detection assay. PubMed: Mixed micellization of antidepressant drug amitriptyline hydrochloride with cationic surfactants. PubMed: Adaptation of Vibrio vulnificus and an rpoS mutant to bile salts. PubMed: Quantitative in situ attenuated total internal reflection Fourier transform infrared study of the isotherms of poly(sodium 4-styrene sulfonate) adsorption to a TiO2 surface over a range of cetylpyridinium bromide monohydrate concentration. PubMed: Correlation between surface free energy of quartz and its wettability by aqueous solutions of nonionic, anionic and cationic surfactants. PubMed: Sequential injection fluorimetric determination of Sn in juices of canned fruits. PubMed: Cationic-anionic vesicle templating from fluorocarbon/fluorocarbon and hydrocarbon/fluorocarbon surfactants. PubMed: Structure of mesh phases in cationic surfactant systems with strongly bound counterions: influence of the surfactant headgroup and the counterion. PubMed: Simultaneous spectrophotometric determination of binary mixtures of surfactants using continuous wavelet transformation. PubMed: A study on the determination of chromium as chromate at a carbon paste electrode modified with surfactants. PubMed: Preconcentration of lanthanum, europium and ytterbium with tribromoarsenazo-cetylpyridinium bromide supported on microcrystalline naphthalene and their determinations by inductively coupled plasma atomic emission spectrometry. PubMed: Spectrophotometric and complexometric methods for the determination of thorium and fluoride using bromocresol orange reagent. PubMed: Simultaneous spectrophotometric determination of manganese, zinc and cobalt by kernel partial least-squares method. PubMed: Studies of mixed micelle formation between cationic gemini and cationic conventional surfactants. PubMed: Adsorption of methylene blue and orange II onto unmodified and surfactant-modified zeolite. PubMed: Micellar shape transition under dilute salt-free conditions: promotion and self-fluorescence monitoring of stimuli-responsive viscoelasticity by 1- and 2-naphthols. PubMed: Characterization of surfactant/hydrotalcite-like clay/glassy carbon modified electrodes: oxidation of phenol. PubMed: Macroscopic, mesostructured cationic surfactant/neutral polymer films: structure and cross-linking. PubMed: Enhanced degradation of carbon tetrachloride by surfactant-modified zero-valent iron. PubMed: Resonance Rayleigh scattering method for the determination of cationic surfactants with chromium(VI)-iodide system. PubMed: The surfactant sensitized analytical reaction of cerium(IV) with some triphenylformazan derivatives. PubMed: Purification of radiolabeled oligonucleotides by precipitation with cetylpyridinium bromide. PubMed: Prediction of charge-induced molecular alignment: residual dipolar couplings at pH 3 and alignment in surfactant liquid crystalline phases. PubMed: Counterion-induced transformations of cationic surfactant micelles studied by using the displacing effect of solvatochromic pyridinium N-phenolate betaine dyes. PubMed: The wettability of polytetrafluoroethylene and polymethyl methacrylate by aqueous solution of two cationic surfactants mixture. PubMed: Microcalorimetric and conductivity studies with micelles prepared from multi-headed pyridinium surfactants. PubMed: Synthesis and antibacterial properties of novel hydrolyzable cationic amphiphiles. Incorporation of multiple head groups leads to impressive antibacterial activity. PubMed: Unfolding and refolding of bovine serum albumin induced by cetylpyridinium bromide. PubMed: Resonance Rayleigh scattering study of interaction of heparin with some cationic surfactants and their analytical application. PubMed: [Color reaction of cationic surfactants on bromphenol red and its analytical applications]. PubMed: [The simultaneous determination of iron(III) and aluminium(III) in quartz sand by first derivative spectrophotometry]. PubMed: Adsorption of phenol and m-chlorophenol on organobentonites and repeated thermal regeneration. PubMed: Molecular alignment of denatured states of staphylococcal nuclease with strained polyacrylamide gels and surfactant liquid crystalline phases. PubMed: Morphology of three lyotropic liquid crystalline biological NMR media studied by translational diffusion anisotropy. PubMed: Simple and sensitive spectrophotometric determination of ziram, zineb and ferbam in commercial samples and foodstuffs using phenylfluorone. PubMed: Characterization of surfactant liquid crystal phases suitable for molecular alignment and measurement of dipolar couplings. PubMed: Distribution of (76)Br-labeled antisense oligonucleotides of different length determined ex vivo in rats. PubMed: SiO(x) Monolayer Overcoating Effect on the TiO(2) Photocatalytic Oxidation of Cetylpyridinium Bromide. PubMed: The Micelle-Induced Interaction between Ninhydrin and Tryptophan. PubMed: Effect of Cationic Micelles on the Kinetics of Interaction of Ninhydrin with l-Leucine and l-Phenylalanine. PubMed: Adsorptive Deformation of Organo-Substituted Laminar Silicates. PubMed: Stabilization of the glucan-binding lectin of Streptococcus sobrinus by specific ligand. PubMed: Influence of tetracyclines or cetylpyridinium bromide on activity of fluoroquinolones in Euglena gracilis. PubMed: Effects of cetylpyridinium bromide micelles on the spectrofluorimetric characteristics of polycyclic aromatic hydrocarbons. PubMed: DNA affinity to biological membranes is enhanced due to complexation with hydrophobized polycation. PubMed: A comparative study and behaviour of a series of cationic surfactants towards the degree of the basic hydrolysis of p-nitrophenyl acetate. PubMed: Spectrophotometric determination of rare earth elements by flow injection analysis based on their reaction with xylenol orange and cetylpyridinium bromide. PubMed: Spectrophotometric determination of chromium(III, VI) by use of chromium(III, VI)-Chrome AzurolS-cetylpyridinium bromide-hydroxylamine hydrochloride-zinc(II) system. PubMed: 1-(4-nitrophenyl)-3-(2-quinolyl) triazene as an extremely sensitive reagent for spectrophotometric determination of mercury. PubMed: High diversity in DNA of soil bacteria. PubMed: Determination of the sum of rare-earth elements by flow-injection analysis with Arsenazo III, 4-(2-pyridylazo)resorcinol, Chrome Azurol S and 5-bromo-2-(2-pyridylazo)-5-diethylaminophenol spectrophotometric reagents. PubMed: Analytical application of the complexation of Nb(V) with bromopyrogallol red in micellar media. PubMed: The surfactant-sensitized analytical reaction of niobium with 8-hydroxyquinoline-5-sulphonic acid. PubMed: Concentrated, digestible DNA after hydroxylapatite chromatography with cetylpyridinium bromide precipitation. PubMed: The cetylpyridinium bromide decontamination of sputum and its influence on the niacin test. PubMed: [Modification of the immune response by using an antigen bound to synthetic polyelectrolytes]. PubMed: Investigations concerning the action of serveral chemical and biological agents on HBsAg. PubMed: Spectrophotometric determination of traces of lead with bromopyrogallol red and cetyltrimethylammonium or cetylpyridinium bromide. PubMed: Interaction of alpha-elastin with ionic detergents. PubMed: [Complex formation of copolymers of 4-vinylpyridine and 4-vinyl-cetylpyridinium bromide with serum albumin]. PubMed: The use of a basic dye (azure A or toluidine blue) plus a cationic surfactant for selective staining of RNA: a technical and mechanistic study. PubMed: [Results of a study on the comparative value of sodium laurylsulfate and of cetylpyridinium bromide for isolation of mycobacteria from animal and human samples]. PubMed: Isolation of 2-amino-1-naphthyl hydrogen sulphate with cetylpyridinium bromide from metabolic and chemical oxidations of 2-naphthylamine. PubMed: [On further developments of the homogenization with cetyl-pyridinium bromide in the bacteriological diagnosis of tuberculosis]. PubMed: Reactions of metallochromic indicators on micelles-III Spectrophotometric determination of minute amounts of lanthanum with xylenol orange. PubMed: The composition and physicochemical properties of hyaluronic acids prepared from ox synovial fluid and from a case of mesothelioma. PubMed: Residual bactericidal activity of cetyl pyridinium bromide (Fixanol C) against Staphylococcus aureus. PubMed: [On the technical use of cetyl-pyridinium bromide for homogenization in the bacteriological diagnosis of tuberculosis]. PubMed: [Cetyl pyridinium bromide in resistant cases of fungus diseases of the skin]. PubMed: Effect of cetyl pyridinium bromide on the water absorption and swelling of soil. PubMed: The treatment of hospital blankets with oil emulsions and the bactericidal action of fixanol C (cetyl pyridinium bromide).