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B25165 Trimethylenebis(triphenylphosphonium bromide), 98+%

CAS Number
7333-67-7
Synonyms
1,3-Bis(triphenylphosphonio)propane dibromide

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Bulk/Specialty

Trimethylenebis(triphenylphosphonium bromide), 98+%

MDL
MFCD00051885
EINECS
230-835-8

Chemical Properties

Formula
C39H36Br2P2
Formula Weight
726.48
Melting point
333-335°
Storage & Sensitivity
Hygroscopic. Ambient temperatures.

Literature References

The bis-Wittig reaction with ɑ-dicarbonyl compounds has been used to prepare cyclopentadienes for subsequent use in the Diels-Alder reaction: J. Am. Chem. Soc., 111, 2351 (1989). For use in the synthesis of open-chain or cyclic polyenes, see: Liebigs Ann. Chem., 619, 10 (1958). Reaction with geranylacetone provides a one-step synthesis of norsqualene: Synthesis, 22 (1970).

/n

For review of the bis-Wittig reaction in the synthesis of non-benzenoid aromatic compounds, see: Synthesis, 765 (1975).

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GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

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

Precautionary Statements: P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P337+P313-P362-P501c

Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Beilstein
4281936
Harmonized Tariff Code
2931.39
TSCA
No

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