Description

(3-Carboxypropyl)Triphenylphosphonium Bromide is a high-purity, versatile organophosphorus reagent widely used in organic synthesis. This compound is valued for its role as a key intermediate in the preparation of ylides for Wittig olefination reactions, enabling the synthesis of complex alkenes. It is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials industries seeking reliable and consistent building blocks for fine chemical production.

Application

• Wittig Reaction Reagent: A crucial precursor for generating stabilized ylides used in the synthesis of α,β-unsaturated carboxylic acids and esters.
• Pharmaceutical Intermediate: Employed in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules with defined alkene geometry.
• Agrochemical Synthesis: Used in the production of certain herbicides, fungicides, and plant growth regulators requiring specific alkene functionalities.
• Material Science Research: Serves as a building block in the development of novel polymers, liquid crystals, and organic electronic materials.
• Academic & Industrial R&D: A standard reagent in laboratory-scale organic synthesis and process chemistry for method development and scale-up studies.
• Fine Chemical Production: Utilized in the manufacture of specialty chemicals, flavors, and fragrances where precise carbon-carbon double bond formation is required.

Basic Information

Product Name	(3-Carboxypropyl)Triphenylphosphonium Bromide
CAS No.	17857-14-6
Molecular Formula	C22H22BrO2P
Molecular Weight	429.29 g/mol
Synonyms	4-(Triphenylphosphonio)butyrate Bromide; 3-Carboxypropyltriphenylphosphonium Bromide; (4-Carboxybutyl)triphenylphosphonium Bromide; γ-Carboxypropyltriphenylphosphonium Bromide; 4-(Triphenylphosphoranylidene)butanoic Acid Bromide Salt; P,P,P-Triphenyl-4-phosphoniobutyric Acid Bromide; (3-Carboxypropyl)triphenylphosphonium Bromide; Butyric acid, 4-(triphenylphosphonio)-, bromide (1:1)
EINECS	Contact for details

Quality Control

Our (3-Carboxypropyl)Triphenylphosphonium Bromide is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets high-grade specifications suitable for research and synthesis. Certificates of Analysis (COA) with detailed batch-specific results are available upon request.

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). This product is hygroscopic (moisture-sensitive) and must be kept under dry, inert conditions to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	< 20 ppm

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