Description

Butyl Dichlorophosphite is a versatile organophosphorus reagent primarily used as a key intermediate in the synthesis of more complex phosphorus-containing compounds. Its high reactivity makes it an essential building block for creating specialized ligands, flame retardants, and agrochemicals. This product is particularly valuable for R&D chemists and production specialists in the pharmaceutical, polymer, and specialty chemical industries seeking to introduce phosphorus functionalities into their molecules.

Application

• Phosphorylation Reagent: A key intermediate for synthesizing organophosphorus compounds, including phosphonates and phosphinates.
• Chemical Intermediate: Used in the production of specialized ligands for catalysis and metal complexation.
• Polymer Additive Precursor: Serves as a starting material for manufacturing flame retardants and stabilizers for plastics and resins.
• Agrochemical Synthesis: Employed in the creation of certain pesticides and herbicides that contain phosphorus.
• Pharmaceutical Intermediate: Utilized in research and development for synthesizing novel active pharmaceutical ingredients (APIs).
• Laboratory Reagent: Used in academic and industrial research for method development and exploratory synthesis.

Basic Information

Product Name	Butyl Dichlorophosphite
CAS No.	10496-13-6
Molecular Formula	C₄H₉Cl₂OP
Molecular Weight	175.00 g/mol
Synonyms	Butyl Phosphorodichloridite; Dichlorobutoxyphosphine; n-Butyl Dichlorophosphite; Butoxyphosphonous Dichloride; Phosphorodichlorous Acid Butyl Ester; 1-Butyl Dichlorophosphite; O-Butyl Phosphorodichloridite
EINECS	234-013-4

Quality Control

Our Butyl Dichlorophosphite is manufactured under strict process controls to ensure batch-to-batch consistency and high purity. Quality is verified through a comprehensive suite of analytical techniques including gas chromatography (GC), nuclear magnetic resonance (NMR), and titration methods. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Due to its hygroscopic and highly volatile nature, containers should be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent moisture absorption and decomposition. Recommended storage temperature is 2-8°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Purity (GC)	≥ 97.0%
Density (at 20°C)	1.20 - 1.25 g/cm³
Water Content (KF)	≤ 0.1%

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