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A14929 Tetra-n-octylammonium bromide, 98+%

CAS Number

Stock No. Size Price ($) Quantity Availability
A14929-09 10g 39.50
A14929-18 50g 174.00
A14929-30 250g 726.00
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Tetra-n-octylammonium bromide, 98+%


Chemical Properties

Formula Weight
Melting point
Storage & Sensitivity
Ambient temperatures.
Soluble in water, dichloromethane, chloroform, acetone and methanol.


Tetra-n-octylammonium bromide is associated with benzethonium chloride and used as a disinfectant, in surface treatment and preservative in hospitals and industries. It is used as a surfactant involved in the synthesis of blue-luminescent silicon nanoparticles in order to get uniform particle size. It is utilized as a cationic additive in the preparation of membranes using cyclam derivative 1,4,8,11-tetra(n-octyl)-1,4,8,11-tetraazacyclotetradecane as an ionphore and dibutyl phthalate as plasticizers.


Hygroscopic. Incompatible with strong oxidizing agents.

Literature References

This highly lipophilic phase-transfer catalyst (see Appendix 2) is effective even at small catalyst ratios. For example, in the presence of powdered KOH, promotes the debromination of vic-dibromides to alkynes: Tetrahedron, 37, 1653 (1981).

Gavia, D. J.; Shon, Y. S. Catalytic Properties of Unsupported Palladium Nanoparticle Surfaces Capped with Small Organic Ligands. ChemCatChem 2015, 7 (6), 892-900.

Ede, S. R.; Anantharaj, S.; Nithiyanantham, U.; Kundu, S. DNA-encapsulated chain and wire-like β-MnO2 organosol for oxidative polymerization of pyrrole to polypyrrole. Phys. Chem. Chem. Phys. 2015, 17 (7), 5474-5484.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P280a-P305+P351+P338-P304+P340-P405-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Harmonized Tariff Code


  • A12741

    1-Dodecanethiol, 98%
  • L04407

    n-Octyltriethoxysilane, 95%
  • 12163

    Gold(III) chloride, Au 64.4% min
  • 31997

    Oleic acid, 99%
  • 36400

    Hydrogen tetrachloroaurate(III) trihydrate, ACS, 99.99% (metals basis), Au 49.0% min

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