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A12881 Isopropyltriphenylphosphonium iodide, 98+%

CAS Number
(2-Propyl)triphenylphosphonium iodide

Stock No. Size Price ($) Quantity Availability
A12881-09 10g 34.40
A12881-22 100g 253.00
A12881-30 250g 528.00
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Isopropyltriphenylphosphonium iodide, 98+%


Chemical Properties

Formula Weight
Melting point
Storage & Sensitivity
Hygroscopic. Light Sensitive. Ambient temperatures.
Solubility in methanol, very faint turbidity.


Useful precursor of isopropylidene unit by Wittig reaction with aldehydes. It is also used in tandem cyclopropanation and Wittig olefination in a synthesis of chrysanthemic acid. Also employed in Wittig and cyclopropanation reactions. It is used as a reactant for total synthesis of heliananes, in the preparation of highly substituted benzene derivatives, synthesis of curcuphenol and elvirol analogs via a retro-aldol reaction as fungicidal agents, 4-substituted methoxylbenzoyl-aryl-thiazoles analogues as potent and orally bioavailable anticancer agents.


Light sensitive and hygroscopic. Store away from oxidizing agents and light. Keep the container tightly closed and place it in a cool, dry and well ventilated condition.

Literature References

Richard A. Bartsch, et. al. Synthesis of highly lipophilic crown ether carboxylic acids.J Org Chem.,1983,48(25), 4864-4869.

Hiroshi Yamataka, et al. Mechanistic study of the Wittig reaction of benzophenone with a nonstabilized ylide.J. Org. Chem.,1988,53(16), 3877-3879.

Useful precursor of isopropylidene unit by Wittig reaction with aldehydes: J. Am. Chem. Soc., 103, 2823 (1981), and ketones: J. Org. Chem., 53, 3877 (1988).

The derived phosphorane can also add to activated double bonds to give gem-dimethyl cyclopropanes: Tetrahedron Lett., 3781 (1972). For use of tandem cyclopropanation and Wittig olefination in a synthesis of chrysanthemic acid, see: Tetrahedron Lett., 3911 (1976):

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-P305+P351+P338-P314-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 IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Get medical advice/attention 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

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