Benzenephosphonic Acid Cas 1571-33-1

Benzenephosphonic acid Quick Details

Chemical Name: Benzenephosphonic acid

Synonyms: Phenylphosphonic acid; Dihydrogenphenylphosphonate; Phosphonicacid,phenyl-

CAS No.: 1571-33-1

EC No.: 216-385-5

Molecular Formula: C6H7O3P

Molecular Weight: 158.09

Appearance: White to off-white crystalline powder

Assay: 98.0% min.

Phenylphosphonic acid Specification

Benzenephosphonic acid Applications

• Nucleating Agent: Used extensively as a high-performance nucleating agent for polymers, particularly in the processing of polyethyleneterephthalate (PET) and other engineering plastics to improve crystallinity and mechanical properties.
• Catalyst Component: Acts as a catalyst or catalyst modifier in organic synthesis, including the preparation of various esters and polymerization reactions.
• Corrosion Inhibitor: Employed in metal surface treatments and industrial water systems to prevent oxidative corrosion on steel and aluminum surfaces.
• Flame Retardant Intermediate: Serves as a precursor in the synthesis of specialized phosphorus-based flame retardants for resins and coatings.
• Metal Extraction: Used in hydrometallurgy as an extractant for the separation and purification of certain rare earth metals and heavy metals.
• Chemical Intermediate: A versatile building block for the synthesis of phosphinate derivatives and agricultural chemicals.

Benzenephosphonic acid Packaging & Shipping

Standard Packaging: 25 kg fiber drums or reinforced plastic bags.

Customizable Packaging: Small scale packaging (1 kg, 5 kg) available for laboratory or pilot use.

Shipping Precautions: Classified as a corrosive solid (UN 3261, Class 8). Must be shipped in compliance with hazardous material regulations. Ensure containers are acid-resistant and securely sealed.

Benzenephosphonic acid Storage

Temperature: Store in a cool, well-ventilated area at room temperature (15-25 C).

Protection: Keep container tightly closed to prevent moisture absorption (hygroscopic nature). Protect from physical damage.

Segregation: Store away from strong bases, oxidizing agents, and reactive metals to avoid exothermic reactions.