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L00553 (2-Carboxyethyl)triphenylphosphonium tribromide, 98+%

CAS Number

Stock No. Size Price ($) Quantity Availability
L00553-06 5g 40.70
L00553-14 25g 129.00
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(2-Carboxyethyl)triphenylphosphonium tribromide, 98+%


Chemical Properties

Formula Weight
Melting point
ca 159° dec.
Storage & Sensitivity
Moisture Sensitive. Ambient temperatures.
It reacts with water. Soluble in THF (25 g/100 mL), dichloromethane, insoluble in alcohol.


(2-Carboxyethyl)triphenylphosphonium tribromide, is a fine chemical and pharmaceutical intermediate. It is a bromine transfer agent for selective α-bromination of ketones and ketone acetals in the presence of double bonds, activated aromatic rings, esters or another free enolic position.


Moisture, water Sensitive. Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Keep away from oxidizing agents, bases. This reagent should be handled in a fume hood.

Literature References

SP Nikas.; J Grzybowska.; DP Papahatjis. The role of halogen substitution in classical cannabinoids: a CB1 pharmacophore model. The AAPS journal. 20046 (4), 23-35.

A Rybár. Annulated Heterocyclo-Purines II: Fused Six-and More-Membered Heterocyclo-Purinediones,-Purinones and-Purineimines. Advances in Heterocyclic Chemistry. 200588 (1), 175-229.

Reagent for ɑ-bromination of ketones. Unsaturated ketones can be selectivelyɑ-brominated in high yield without bromination of the olefinic double bond: Tetrahedron Lett., 373 (1975); Synth. Commun., 19, 1091 (1989). See also 2-Pyrrolidinone hydrotribromide, L00177 for similar reagent.

GHS Hazard and Precautionary Statements

Hazard Statements: H314-H335

Causes severe skin burns and eye damage. May cause respiratory irritation.

Precautionary Statements: P260-P264b-P271-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P501c

Do not breathe 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 SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. 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. Immediately call a POISON CENTER or doctor/physician. Wash contaminated clothing before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Hazard Class
Packing Group
Harmonized Tariff Code


  • A10723

    3-Methoxycinnamic acid, predominantly trans, 98+%
  • A12012

    Palladium, 10% on carbon, Type 487, dry
  • A13064

    tert-Butyldimethylchlorosilane, 97%
  • A15554

    Ethyl chloroacetate, 99%
  • A19302

    (3-Carboxypropyl)triphenylphosphonium bromide, 97%

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