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H56851 Methyltriphenylphosphonium chloride, 97%

CAS Number

Stock No. Size Price ($) Quantity Availability
H56851-03 1g 21.20
H56851-06 5g 75.90
H56851-14 25g 282.00
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Methyltriphenylphosphonium chloride, 97%


Chemical Properties

Formula Weight
Melting point
221° dec.
Storage & Sensitivity
Hygroscopic. Ambient temperatures.
Soluble in methanol.


Methyltriphenylphosphonium chloride is used as a phase transfer catalyst in synthetic chemistry. It acts as a catalyst for regio-controlled ring-opening polymerization of substituted epoxides. It is utilized for controlling the corrosion iron. It acts as a reactant for intramolecular nitrone cycloaddition. In addition to this, it is used for neoplasm inhibition through antimitochondrial effect.


Incompatible with oxidizing agents.

Literature References

Boudewijns, T.; Piccinini, M.; Degraeve, P.; Liebens, A.; De Vos, D. Pathway to Vinyl Chloride Production via Dehydrochlorination of 1,2-Dichloroethane in Ionic Liquid Media. ACS Catal. 2015, 5 (7), 4043-4047.

Diaf, I.; Joffrin, A.; Lemière, G.; Duñach, E. Synthesis and odor evaluation of allenic derivatives. Flavour Fragance J. 2015, 30 (6), 478-484.

GHS Hazard and Precautionary Statements

Hazard Statements: H302+H312-H315-H318

Harmful if swallowed. Harmful in contact with skin. Causes skin irritation. Causes serious eye damage.

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

Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. 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. Immediately call a POISON CENTER or doctor/physician. Rinse mouth. If skin irritation occurs: Get medical advice/attention. 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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