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Sigma-Aldrich

Tributylhexadecylphosphonium bromide

97%

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Synonym(s):
Hexadecyltributylphosphonium bromide, TBHDPB
Linear Formula:
CH3(CH2)15P+[(CH2)3CH3]3Br-
CAS Number:
Molecular Weight:
507.65
Beilstein:
4167404
EC Number:
MDL number:
PubChem Substance ID:

Assay

97%

form

solid

mp

56-58 °C (lit.)

SMILES string

[Br-].CCCCCCCCCCCCCCCC[P+](CCCC)(CCCC)CCCC

InChI

1S/C28H60P.BrH/c1-5-9-13-14-15-16-17-18-19-20-21-22-23-24-28-29(25-10-6-2,26-11-7-3)27-12-8-4;/h5-28H2,1-4H3;1H/q+1;/p-1

InChI key

RYVBINGWVJJDPU-UHFFFAOYSA-M

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General description

Tributylhexadecylphosphonium bromide (Tri-n-butylhexadecylphosphonium Bromid) has a long hydrocarbon chain attached to the phosphorus atom. It is commonly used as a phase-transfer catalyst in various chemical reactions. In addition, it is also used as a cationic surfactant.

Application

Tributylhexadecylphosphonium bromide can be used as a phase transfer catalyst in the alkaline hydrolysis of PET (polyethylene terephthalate).

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Katarzyna Wasilewska et al.
Polymers, 11(3) (2019-04-10)
The taste of drugs is an important factor affecting pharmacotherapy effectiveness, and obtaining formulations with acceptable organoleptic properties is still an ongoing issue in pharmaceutical technology. One of the innovative methods of taste masking is preparation of microparticles by the
A shrinking core model for the alkaline hydrolysis of PET assisted by tributylhexadecylphosphonium bromide
L'opez-Fonseca R, et al.
Chemical Engineering Journal, 146(2), 287-294 (2009)
Quantification of poly (ethylene terephthalate) micro-and nanoparticle contaminants in marine sediments and other environmental matrices
Castelvetro V, et al.
Journal of Hazardous Materials, 385, 121517-121517 (2020)
Valter Castelvetro et al.
Environmental pollution (Barking, Essex : 1987), 273, 115792-115792 (2021-01-26)
Fish meal (FM) is an industrial product, mainly obtained from whole wild-caught fish, that is used as a high protein feedstuff component in aquaculture and intensive animal farming. Contamination of FM by microplastics (MPs), the synthetic polymer particles known to
Valter Castelvetro et al.
Journal of hazardous materials, 385, 121517-121517 (2019-11-17)
Microplastics are ubiquitous pollutants in marine and freshwater bodies. Poly(ethylene terephthalate) microfibers (PMFs) are among the main primary microplastics (as-produced polymer microparticles). Released in large amounts in laundry wastewaters, PMFs end up in freshwater and marine sediments due to their

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