Description

(1,3-Dioxolan-2-Ylmethyl)Triphenylphosphonium Bromide is a specialized organophosphorus salt widely used as a key reagent in synthetic organic chemistry. Its primary value lies in its role as a stabilized ylide precursor for the Wittig and related olefination reactions, enabling the efficient synthesis of complex olefins and fine chemical intermediates. This high-purity reagent is essential for research and development laboratories, as well as production facilities in the pharmaceutical, agrochemical, and advanced materials sectors seeking reliable and consistent performance in sensitive synthetic pathways.

Application

• As a crucial Wittig reagent for the stereoselective synthesis of alkenes and conjugated systems.
• Key intermediate in the production of pharmaceutical active ingredients (APIs) and complex natural product analogs.
• Used in the synthesis of agrochemicals, including certain herbicides and plant growth regulators.
• Reagent for constructing liquid crystal materials and other advanced organic electronic components.
• Employed in academic and industrial R&D for methodology development and novel compound library synthesis.
• Facilitates the synthesis of flavor and fragrance compounds requiring specific alkene geometries.

Basic Information

Product Name	(1,3-Dioxolan-2-Ylmethyl)Triphenylphosphonium Bromide
CAS No.	52509-14-5
Molecular Formula	C22H22BrO2P
Molecular Weight	429.29 g/mol
Synonyms	2-(Triphenylphosphoranylidene)acetaldehyde Ethylene Acetal Bromide; (2,2-Dimethyl-1,3-dioxolan-4-ylmethyl)triphenylphosphonium Bromide (common misnomer); Triphenyl[(1,3-dioxolan-2-yl)methyl]phosphonium Bromide; (1,3-Dioxolan-2-ylmethyl)triphenylphosphonium Bromide; Dioxolanylmethyltriphenylphosphonium Bromide; Wittig Reagent - Acetaldehyde Ethylene Acetal; Phosphonium, (1,3-dioxolan-2-ylmethyl)triphenyl-, bromide
EINECS	Contact for details

Quality Control

Our (1,3-Dioxolan-2-Ylmethyl)Triphenylphosphonium Bromide is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including NMR, HPLC, and titration methods, to ensure high chemical purity and consistent performance as a synthetic reagent. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. For long-term storage, consider the use of a desiccant.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.