Phenylphosphinic acid CAS 1779-48-2

Table of Contents

• Product Overview
• Specifications & Comparison
• Applications
• Usage Guide
• Case Studies
• Contact for Quotation

Phenylphosphinic Acid (CAS 1779-48-2) Overview

A organophosphorus compound with molecular formula C₆H₇O₂P. Key parameters:

Technical Comparison Table

Industrial Applications

1. Flame Retardants

Widely used in engineering plastics (PA, PBT, PET) for UL94 V-0 compliance. Reduces smoke density by 40% compared to traditional additives.

2. Pharmaceutical Intermediates

Critical precursor for antiviral drugs like Foscarnet sodium (HIV treatment) and metal-chelating agents.

3. Coordination Chemistry

Forms stable complexes with transition metals (Cu, Fe, Ni) for catalytic applications in cross-coupling reactions.

Operational Guidelines

Dosage Recommendations

Safety Protocols

Use PPE (gloves/goggles) when handling. Store in cool (<25°C), dry conditions. LD50 (oral rat): 2300 mg/kg.

Client Implementations

Case 1: German Automotive Supplier

Client: Top 3 automotive polymer manufacturer
Challenge: Achieve UL94 V-0 in thin-wall (0.8mm) connectors
Solution: 10% Phenylphosphinic acid + glass fiber reinforcement
Result: Passed 5VA certification with 28% cost reduction vs brominated systems

Case 2: Indian Pharma Company

Client: API producer for HIV medications
Challenge: Improve synthesis yield of Fosdevir intermediate
Solution: Chelating agent in Grignard reaction
Result: Yield increased from 68% to 82% with 99.5% purity

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