Description

Propyltriphenylphosphonium bromide (CAS No. 6228-47-3) is a high-purity quaternary phosphonium salt with the molecular formula C₂₁H₂₂BrP. This organophosphorus compound is widely used in organic synthesis, particularly as a phase-transfer catalyst and a versatile reagent for Wittig reactions. Its crystalline structure and excellent solubility in polar organic solvents make it ideal for applications requiring precise control of reaction conditions. Suitable for researchers and scientists, our product is rigorously tested to ensure ≥98% purity, meeting the stringent requirements of pharmaceutical, agrochemical, and materials science industries. Each batch is supplied with comprehensive analytical documentation, including ¹H NMR, ¹³C NMR, and HPLC data for quality assurance.

Properties

• CAS Number: 6228-47-3
• Complexity: 260
• IUPAC Name: triphenyl(propyl)phosphonium;bromide
• InChI: InChI=1S/C21H22P.BrH/c1-2-18-22(19-12-6-3-7-13-19,20-14-8-4-9-15-20)21-16-10-5-11-17-21;/h3-17H,2,18H2,1H3;1H/q+1;/p-1
• InChI Key: XMQSELBBYSAURN-UHFFFAOYSA-M
• Exact Mass: 384.06425
• Molecular Formula: C21H22BrP
• Molecular Weight: 385.3
• SMILES: CCC[P+](C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3.[Br-]
• Monoisotopic Mass: 384.06425
• Synonyms: 6228-47-3, Propyltriphenylphosphonium bromide, Triphenyl(propyl)phosphonium bromide, n-Propyltriphenylphosphonium bromide, Triphenylpropylphosphonium bromide, Phosphonium, triphenylpropyl-, bromide, (1-Propyl)triphenylphosphonium bromide, triphenyl(propyl)phosphanium bromide, triphenyl(propyl)phosphanium;bromide, MFCD00011843, C21H22BrP, triphenyl propyl phosphonium bromide, Triphenylpropylphosphonium Bromide; Bromo(propyl)triphenylphosphorane; NSC 50539; Propyltriphenylphosphonium Bromide;, EINECS 228-330-2, n-propyl triphenylphosphonium bromide, SCHEMBL164032, propyl triphenylphosphine bromide, CHEMBL3334701, Propyltriphenlyphosphonium bromide, DTXSID80977847, LHJIKEGYSWUGHM-UHFFFAOYSA-M, propyl triphenylphosphonium bromide, propyl-triphenylphosphonium bromide, propyltriphenyl phosphonium bromide, BCP22569, NSC50539, n-propyltriphenyl-phosphonium bromide, NSC 50539, NSC-50539, Phosphonium, triphenylpropyl- bromide, (n-propyl)triphenylphosphonium bromide, AKOS004908938, CS-W009394, FP39703, AS-14335, SY015709, DB-030286, NS00043889, P1200, F10028, EN300-6729414, A810001, doi:10.14272/XMQSELBBYSAURN-UHFFFAOYSA-M.1

Propyltriphenylphosphonium bromide serves as a key intermediate in the synthesis of alkenes via Wittig olefination, enabling the formation of carbon-carbon double bonds with high selectivity. It is also employed as a phase-transfer catalyst in nucleophilic substitution reactions, enhancing reaction rates in biphasic systems. Researchers utilize this compound in the preparation of ionic liquids and as a precursor for advanced materials. Its stability under mild conditions makes it suitable for fine chemical synthesis and specialty polymer production.

Safety and Hazards

GHS Hazard Statements

• H302 (86%): Harmful if swallowed [Warning Acute toxicity, oral]
• H312 (86%): Harmful in contact with skin [Warning Acute toxicity, dermal]
• H315 (14%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (14%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (14%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (86%)
• Acute Tox. 4 (86%)
• Skin Irrit. 2 (14%)
• Eye Irrit. 2A (14%)
• STOT SE 3 (14%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.