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15546-42-6 - Tetramethylenebis(triphenylphosphonium bromide), 98+% - 1,4-Bis(triphenylphosphonio)butane dibromide - A14214 - Alfa Aesar

A14214 Tetramethylenebis(triphenylphosphonium bromide), 98+%

CAS Number
15546-42-6
Synonyms
1,4-Bis(triphenylphosphonio)butane dibromide

Size Price ($) Quantity Availability
10g 33.92
50g 172.01
250g 570.40
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Tetramethylenebis(triphenylphosphonium bromide), 98+%

MDL
MFCD00031714
EINECS
239-598-5

Chemical Properties

Formula
Br(C6H5)3P(CH2)4P(C6H5)3Br
Formula Weight
740.51
Melting point
292-293°
Sensitivity
Hygroscopic

Applications

Tetramethylenebis(triphenylphosphonium bromide) is used in the synthesis of squalene. It is also used in the conversion of ?-diketones to cyclohexa-1,3-dienes.

Notes

Hygroscopic. Store away from oxidizing agents. Store in a cool, dry conditions in a well sealed container.

Literature References

D. Thorburn Burns; N. Chimpalee; M. Harriott.Flow-injection extraction spectrophotometric determination of dichromate with the tetramethylenebis(triphenylphosphonium)cation. Analytica Chimica Acta.1989, 225 241-246.

Has found use in the synthesis of, e.g. squalene: Chem. Ind. (London), 1806 (1958), and in the conversion of ɑ-diketones to cyclohexa-1,3-dienes: Synthesis, 238 (1980).

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

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

Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/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. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Beilstein
3872522
Harmonized Tariff Code
2931.90
TSCA
No

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