Description

Methylenetributylphosphorane is a specialized organophosphorus compound, specifically a phosphorus ylide, with the CAS number 29218-85-7. This reagent is valued for its role as a key intermediate in advanced organic synthesis, particularly in the formation of carbon-carbon double bonds via Wittig-type reactions. It is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors seeking to synthesize complex olefins and fine chemicals.

Application

• Wittig Reaction Intermediate: A crucial reagent for the synthesis of alkenes from carbonyl compounds in pharmaceutical and specialty chemical manufacturing.
• Pharmaceutical Synthesis: Used in the production of active pharmaceutical ingredients (APIs) and complex drug molecules requiring specific alkene functionalities.
• Agrochemical Production: Employed in the synthesis of advanced pesticide and herbicide intermediates.
• Material Science Research: Serves as a building block for creating novel polymers and organic electronic materials with tailored properties.
• Academic & Industrial R&D: A valuable tool for method development and exploratory synthesis in chemistry laboratories.
• Fine Chemical Synthesis: Facilitates the production of flavors, fragrances, and other high-value specialty chemicals.

Basic Information

Product Name	Methylenetributylphosphorane
CAS No.	29218-85-7
Molecular Formula	C13H29P
Molecular Weight	216.34 g/mol
Synonyms	Tributyl(methylene)phosphorane; Methylene(tributyl)phosphorane; Butylidenetripentylphosphorane (common naming variation); Phosphorane, methylenetributyl-; (Methylidene)tributylphosphorane; Tributylphosphonium methylide; Wittig reagent precursor.
EINECS	Contact for details

Quality Control

Our Methylenetributylphosphorane is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including NMR and chromatographic methods, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided to guarantee the material meets the rigorous standards required for research and industrial synthesis.

Storage

Preserve in a tightly closed container, protected from light. Due to its sensitivity, store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area. Recommended long-term storage temperature is 2-8°C. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (NMR)	Conforms to structure
Purity (NMR / GC)	≥ 95%
Water Content (KF)	≤ 0.5%

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