Phosphorus Pentoxide (P2O5) CAS 1314-56-3: Comprehensive User Guide
Table of Contents
1. Product Overview & Specifications
Basic Properties
- CAS No.: 1314-56-3
- Molecular Formula: P2O5
- Molecular Weight: 141.94 g/mol
- Appearance: White crystalline powder or hexagonal crystals
- Odor: Pungent (garlic-like)
Physical & Chemical Properties
| Parameter | Value |
|---|---|
| Melting Point | 340°C |
| Boiling Point | 360°C (sublimes) |
| Density | 2.39 g/cm³ |
| Solubility | Reacts exothermically with water; soluble in H2SO4 |
| Hygroscopicity | Extremely high (powerful desiccant) |
Safety Data
- GHS Classification: Skin Corrosion/Irritation (Category 1A), Serious Eye Damage (Category 1)
- NFPA Ratings: Health Hazard 3, Reactivity 2
2. Key Applications
Industrial Uses
- Chemical Synthesis: Production of high-purity phosphoric acid, phosphate esters, and phosphorus compounds
- Dehydration Agent: Critical in organic synthesis (e.g., esterification reactions)
- Pharmaceuticals: Drug intermediate purification and moisture-sensitive processes
- Electronics: Dopant in semiconductor manufacturing
- Glass Production: Enhances UV transmission in optical glass formulations
3. Operational Guidelines
Handling Protocols
- Use airtight containers to prevent moisture absorption
- Employ dry inert gas (N2) for material transfer
- Store at ambient temperature (<30°C) in low-humidity environments
Safety Measures
- PPE Requirements: Acid-resistant gloves, face shields, and NIOSH-approved respirators
- Spill Response: Contain with dry sand; NEVER use water
- First Aid: Flush affected areas with water for ≥15 minutes; seek immediate medical attention
4. Industry Use Cases
Case 1: Specialty Chemical Manufacturing
Application: Synthesis of flame-retardant additives
Process: Controlled dehydration of organophosphorus precursors
Case 2: Pharmaceutical API Production
Application: Moisture removal in antibiotic synthesis
Outcome: Increased yield purity from 92% to 99.5%
5. Client Success Stories
Client A: Global Petrochemical Leader
Challenge: Moisture contamination in lubricant additives
Solution: Integrated P2O5 drying towers
Result: 40% reduction in product rejection rates
Client B: Advanced Materials Innovator
Challenge: Inconsistent quality in phosphor coatings
Solution: Ultra-dry synthesis environment using P2O5
Result: Achieved ISO 9001:2015 certification
6. Contact for Technical Support
For bulk orders, SDS, or custom technical specifications:
Email: info@vivalr.com
Tel: (86) 15866781826



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