Description

Difluorophosphoric Acid is a highly reactive inorganic acid with the chemical formula HPO₂F₂. This compound is a critical reagent and intermediate in advanced chemical synthesis, valued for its ability to introduce fluorine and phosphate functionalities. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing novel compounds and materials.

Application

• Key intermediate in the synthesis of organophosphorus compounds and fluorinated derivatives.
• Reagent for the preparation of phosphate esters and fluorophosphate salts used in catalysis.
• Precursor in the development of novel electrolytes for lithium-ion and other advanced battery systems.
• Used in chemical research for studying phosphorylation and fluorination reaction mechanisms.
• Intermediate in the production of certain agrochemicals and pharmaceutical active ingredients.
• Potential etchant or surface treatment agent in microelectronics and materials science.

Basic Information

Product Name	Difluorophosphoric Acid
CAS No.	13779-41-4
Molecular Formula	HPO₂F₂
Molecular Weight	101.98 g/mol
Synonyms	Difluorophosphoric Acid; Phosphorodifluoridic Acid; DIFLUOROPHOSPHORIC ACID; HPO₂F₂; Fluorophosphoric acid (HOP(O)F₂); Monofluorophosphoric acid difluoride; Phosphorofluoridic acid, difluoro-
EINECS	237-417-1

Quality Control

Our Difluorophosphoric Acid is produced and tested under stringent quality management protocols. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support customer audits and can provide material to meet research and cGMP standards as required.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area. Due to its hygroscopic and strong acid nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent moisture absorption and decomposition. Store away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (Titration)	≥ 95.0%
Water Content (KF)	≤ 1.0%
Fluoride Content	Contact for details
Density (20°C)	~1.58 g/cm³

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