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Sigma-Aldrich

Tributylhexadecylphosphonium bromide

97%

Synonym(s):

Hexadecyltributylphosphonium bromide, TBHDPB

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About This Item

Linear Formula:
CH3(CH2)15P+[(CH2)3CH3]3Br-
CAS Number:
14937-45-2
Molecular Weight:
507.65
Beilstein/REAXYS Number:
4167404
EC Number:
239-014-9
MDL number:
MFCD00011775
UNSPSC Code:
12352001
PubChem Substance ID:
24856693
NACRES:
NA.22

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

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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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)
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
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
Qiang Li et al.
Carbohydrate polymers, 256, 117592-117592 (2021-01-24)
Historical monuments are increasingly being threatened by unexpected microbial colonizers, leading to their subsequent deterioration. Here, two tetraalkylphosphonium polyoxometalate ionic liquids (Q14-IL and Q16-IL) were successfully synthesized, which showed excellent antibacterial activity against four bacteria colonising wall paintings. Notably, Q14-IL
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