Description

(1,3-Butadienyl)Triphenylphosphonium Bromide is a high-purity, versatile Wittig reagent salt essential for advanced organic synthesis. This compound is a critical building block for the formation of conjugated dienes, enabling the production of complex molecular architectures. It is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for constructing key intermediates in active ingredient synthesis.

Application

• Wittig Olefination Reactions: As a key reagent for the stereoselective synthesis of conjugated diene systems, crucial in natural product and pharmaceutical intermediate manufacturing.
• Pharmaceutical Intermediate Synthesis: For constructing complex carbon skeletons found in active pharmaceutical ingredients (APIs), including potential candidates for oncology and antiviral therapies.
• Agrochemical Development: Used in the synthesis of novel pesticide and herbicide intermediates that require specific diene functionalities.
• Material Science Research: Serves as a precursor in the development of organic semiconductors, liquid crystals, and polymers with tailored optical and electronic properties.
• Academic & Industrial R&D: A fundamental tool in methodological development and exploratory chemistry within university and corporate research laboratories.
• Fine Chemical Production: Enables the scalable synthesis of specialty chemicals and flavors/fragrances requiring precise diene structures.

Basic Information

Product Name	(1,3-Butadienyl)Triphenylphosphonium Bromide
CAS No.	21310-07-6
Molecular Formula	C22H22BrP
Molecular Weight	397.29 g/mol
Synonyms	Triphenyl(1,3-butadienyl)phosphonium Bromide; (Buta-1,3-dien-1-yl)triphenylphosphonium Bromide; 1,3-Butadien-1-yltriphenylphosphonium Bromide; Phosphonium, (1,3-butadienyl)triphenyl-, bromide; (1,3-Butadienyl)triphenylphosphonium Bromide; Butadienyltriphenylphosphonium Bromide
EINECS	Contact for details

Quality Control

Our (1,3-Butadienyl)Triphenylphosphonium Bromide is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling, to meet the stringent requirements of research and process chemistry. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting purity, identity, and relevant physical characteristics.

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 (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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