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A15644 Methyltriphenylphosphonium iodide, 98%

CAS Number

Stock No. Size Price ($) Quantity Availability
A15644-14 25g 47.60
A15644-22 100g 148.00
A15644-36 500g 596.00
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Methyltriphenylphosphonium iodide, 98%


Chemical Properties

Formula Weight
Melting point
Storage & Sensitivity
Hygroscopic. Light Sensitive. Ambient temperatures.
Soluble in water, acetone, dichloromethane , methanol.


Methyltriphenylphosphonium iodide is as a reactant for synthesis of triphenylamine-based dyes and polyolefinic aromatic molecules with pyrene for use in dye-sensitized solar cells. Used as ligand in coupling reaction. It is also used as a precursor to a Wittig reagent.


Light sensitive and hygroscopic. Store in dark. Protect from humidity and water.

Literature References

Johan A. Eenkhoorn; S. Osmund de Silva; Victor Snieckus. The Wittig Reaction of Indole-2-methyltriphenylphosphonium Iodide with 4-Piperidone Derivatives and Aromatic Aldehydes. Canadian Journal of Chemistry. 1973, 51 (5), 792-810.

Rubén Córdoba; Joaquı?n Plumet. Methyltriphenylphosphonium iodide catalyzes the addition of trimethylsilyl cyanide to aldehydes. Tetrahedron Letters. 2003, 44 (32), 6157-6159.

Ylide precursor. Effective catalyst for addition of Trimethyl­silyl­ cyanide, A19598 to aldehydes: Tetrahedron Lett., 44, 6157 (2003).

GHS Hazard and Precautionary Statements

Hazard Statements: H301-H315-H319-H335

Toxic if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P264b-P270-P271-P280-P301+P310-P302+P352-P304+P340-P305+P351+P338-P312-P330-P332+P313-P337+P313-P362-P501c

Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. 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. Rinse mouth. 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

Hazard Class
Packing Group
Harmonized Tariff Code


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