Description

Phosphine E is a specialized organophosphorus compound, a derivative of phosphine, known for its utility as a versatile intermediate in advanced chemical synthesis. Its significance lies in its role as a key building block for creating complex molecules, particularly in the development of pharmaceuticals and high-performance materials. This product is essential for research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors seeking reliable, high-purity intermediates for their processes.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds containing phosphorus heterocycles.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators where phosphorus-based chemistry is required.
• Ligand Precursor: Serves as a starting material for the preparation of specialized phosphine ligands used in homogeneous catalysis, such as cross-coupling reactions.
• Material Science: Employed in the research and development of novel polymers, flame retardants, and electronic materials.
• Organic Synthesis: Acts as a reagent in various organic transformations, including the formation of carbon-phosphorus bonds.

Basic Information

Product Name	Phosphine E
CAS No.	2391-28-8
Molecular Formula	C9H15P
Molecular Weight	154.19 g/mol
Synonyms	Triethylphosphine; Ethylphosphine, tri-; Phosphorous triethyl; Triethylphosphane; NSC 66495; Triethyl phosphine; (C2H5)3P
EINECS	219-232-6

Quality Control

Our Phosphine E is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality protocols are designed to meet the stringent requirements of pharmaceutical and fine chemical applications, ensuring reliability for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Due to its properties of being easily oxidized and hygroscopic, it is critical to minimize exposure to air and moisture. Recommended long-term storage temperature is 2-8°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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