Description

tert-Butyldichlorophosphine is a highly reactive organophosphorus compound primarily used as a key building block in organic synthesis. Its value lies in its role as a versatile precursor for the preparation of tertiary phosphines, phosphine ligands, and other phosphorus-containing specialty chemicals. This product is essential for research and development laboratories, as well as production facilities in the pharmaceutical, agrochemical, and advanced materials sectors seeking to incorporate specific phosphorus functionalities.

Application

• Synthesis of tertiary phosphine ligands for homogeneous catalysis, including cross-coupling reactions.
• Key intermediate in the production of organophosphorus compounds for pharmaceutical active ingredients.
• Precursor for photoinitiators and other functional additives in polymer and material science.
• Building block for agrochemicals, such as insecticides and herbicides.
• Research chemical for developing novel flame retardants and stabilizers.
• Starting material for the synthesis of phosphonium salts and ylides used in organic transformations.

Basic Information

Product Name	tert-Butyldichlorophosphine
CAS No.	25979-07-1
Molecular Formula	C4H9Cl2P
Molecular Weight	158.99 g/mol
Synonyms	tert-Butyldichlorophosphane; Di-tert-butylchlorophosphine (common error, correct is tert-Butylphosphonous dichloride); (tert-Butyl)dichlorophosphine; Phosphonous dichloride, (1,1-dimethylethyl)-; t-BuPCl2; tert-Butylphosphonous Dichloride; 2-Methyl-2-propyldichlorophosphine
EINECS	Contact for details

Quality Control

Our tert-Butyldichlorophosphine is produced under stringent quality management protocols. Each batch undergoes rigorous analytical testing, including GC and NMR analysis, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee compliance with your research and production specifications.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile and hygroscopic (moisture-sensitive) nature, this product must be stored under an inert atmosphere (argon or nitrogen) in a cool, dry, and well-ventilated area. Recommended storage temperature is 2-8°C for extended stability. Keep away from heat, sparks, open flames, and incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Purity (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.