Description

2-Diethylphosphonobut-1-Ene is a valuable organophosphorus compound, specifically a phosphonate ester, widely used as a key synthetic building block. Its primary commercial value lies in its role as a versatile reagent in the Horner-Wadsworth-Emmons (HWE) olefination reaction, enabling the efficient synthesis of complex alkenes. This makes it an essential intermediate for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: Critical for synthesizing active pharmaceutical ingredients (APIs) and complex organic molecules with defined alkene geometries.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Material Science: Serves as a precursor for functionalized polymers, liquid crystals, and advanced organic materials.
• Fine Chemical Production: Employed in the synthesis of flavors, fragrances, and other high-value specialty chemicals.
• Academic & Industrial R&D: A fundamental reagent for organic synthesis and methodology development in research laboratories.

Basic Information

Item	Details
Product Name	2-Diethylphosphonobut-1-Ene
CAS No.	42329-48-6
Molecular Formula	C8H17O3P
Molecular Weight	192.19 g/mol
Synonyms	Diethyl (2-butenyl)phosphonate; (2-Butenyl)phosphonic acid diethyl ester; Diethyl 2-butenylphosphonate; 1-Butene-4-phosphonic acid, diethyl ester; 2-Butenylphosphonic acid diethyl ester; Diethyl (but-2-en-1-yl)phosphonate; (E/Z)-Diethyl (but-2-en-1-yl)phosphonate
EINECS	Contact for details

Quality Control

Our 2-Diethylphosphonobut-1-Ene is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including GC, NMR, and IR spectroscopy, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to exclude moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0% (Typical 97-99%)
Water Content (KF)	≤ 0.5%

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