Description

Fluorophosphonic Acid Di-sec-Butyl Ester is a specialized organophosphorus compound with the CAS number 625-17-2. This chemical serves as a critical intermediate and reagent in advanced synthesis, valued for its unique phosphorus-fluorine bond which imparts specific reactivity. It is primarily sought by research institutions and industrial manufacturers in the agrochemical and pharmaceutical sectors for developing novel active ingredients and fine chemicals.

Application

• Agrochemical Intermediate: Key building block in the synthesis of novel insecticides, herbicides, and plant growth regulators.
• Pharmaceutical Research: Used as a precursor or phosphorylating agent in the development of bioactive molecules and prodrugs.
• Ligand and Catalyst Synthesis: Employed in the preparation of specialized ligands for metal complexes and catalysts used in organic transformations.
• Flame Retardant Development: Acts as a starting material for creating phosphorus-fluorine based flame retardant additives.
• Chemical Research: Serves as a model compound in studies of organophosphorus chemistry and reaction mechanisms.
• Specialty Polymer Modification: Used to introduce fluorophosphonate groups into polymer chains to alter material properties.

Basic Information

Product Name	Fluorophosphonic Acid Di-sec-Butyl Ester
CAS No.	625-17-2
Molecular Formula	C8H18FO3P
Molecular Weight	212.20 g/mol
Synonyms	Di-sec-butyl fluorophosphonate; sec-Butyl fluorophosphonate; Phosphonofluoridic acid, bis(1-methylpropyl) ester; Di-sec-butyl phosphorofluoridate; Fluorophosphoric acid di-sec-butyl ester
EINECS	210-886-1

Quality Control

Our Fluorophosphonic Acid Di-sec-Butyl Ester is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing including assay (by GC/HPLC), identity confirmation (IR, NMR), and impurity profiling to ensure high purity and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Due to its hygroscopic and strong acid/organic solvent nature, the container must be kept tightly sealed to exclude moisture and stored separately from bases and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.05 - 1.15
Refractive Index (20°C)	1.410 - 1.430

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