Diphenylphosphinic Acid Cas 1707-03-5

Diphenylphosphinic Acid (CAS 1707-03-5) User Guide

1. Product Overview & Specifications

2. Key Applications & Use Cases

2.1 Organocatalyst in Asymmetric Synthesis

Enables enantioselective C-C bond formation in pharmaceutical intermediates with 90%+ ee values.

2.2 Flame Retardant Synergist

Reduces peak heat release rate by 60% in polyamide composites when combined with metal hydroxides.

2.3 Metal Ion Chelation

Forms stable complexes with transition metals (K_d = 10^-8 M) for wastewater treatment applications.

3. Usage Guidelines

3.1 Handling Precautions

• Use nitrile gloves and chemical goggles
• Maintain pH 6-8 in aqueous solutions

3.2 Solubility Optimization

4. Industry Case Studies

4.1 Pharmaceutical Intermediate Production

Client: Top 10 API Manufacturer in India
Challenge: Achieve >85% yield in chiral amine synthesis
Solution: 0.5 mol% catalyst loading in THF at -20°C
Result: 92% yield with 94% enantiomeric excess

4.2 Engineering Plastic Modification

Client: German Automotive Supplier
Challenge: Meet UL94 V-0 standard without brominated additives
Solution: 15% diphenylphosphinic acid + aluminum trihydroxide
Result: 28% reduction in smoke density

5. Request Customized Solutions

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