Diphenyl Ether (CAS 101-84-8): Comprehensive Technical Guide
Table of Contents
1. Product Overview & Specifications
| Parameter | Value |
|---|---|
| Chemical Formula | C12H10O |
| Molecular Weight | 170.21 g/mol |
| Physical State | Colorless crystalline solid/Liquid (above 27°C) |
| Melting Point | 27°C |
| Boiling Point | 259°C |
| Density | 1.07-1.08 g/cm³ |
| Solubility | Insoluble in water, soluble in ethanol, ether |
| Flash Point | >110°C |
| Vapor Pressure | 101.08 kPa |
Comparative Advantage: Superior thermal stability compared to conventional heat transfer fluids (e.g., mineral oils), with decomposition temperature exceeding 300°C.
2. Key Applications
Core Functional Uses:
- Industrial Thermal Fluids: Primary component in high-temperature heat transfer systems (operating range: 15-400°C)
- Fragrance Engineering: Base material for premium soap fragrances and cosmetic formulations
- Chemical Synthesis: Intermediate for pharmaceuticals, agrochemicals, and specialty polymers
- Research Applications: Solvent in organic chemistry and biochemical studies
3. Operational Guidelines
Safety Protocols:
| Hazard Type | Protection Measures |
|---|---|
| Acute Toxicity | LD50 (rat oral): 3.99 g/kg |
| Skin Contact | Wear chemical-resistant gloves (Butyl rubber recommended) |
| Eye Protection | ANSI-approved goggles with side shields |
| Vapor Exposure | Use NIOSH-approved respirator above 5 mg/m³ |
Emergency Response:
- Spill Management: Absorb with inert material (vermiculite/sand), prevent entry into waterways
- Fire Suppression: Alcohol-resistant foam, CO2, or dry chemical extinguishers
4. Industry Case Studies
Case 1: Pharmaceutical Heat Transfer System
Client: Major Chinese API Manufacturer
Solution: Implemented diphenyl ether-based thermal system in continuous flow reactor
Outcome: 22% energy efficiency improvement with stable temperature control (±0.5°C)
Case 2: Specialty Fragrance Development
Client: European Luxury Cosmetics Brand
Application: Base note formulation for premium skincare line
Result: Achieved 18-month fragrance stability in pH 5.5-8.0 range
5. Supplier Information
| Parameter | Specification |
|---|---|
| Packaging | 25kg steel drums / 200kg polyethylene containers |
| Purity Grade | Industrial (≥98%) / Pharmaceutical (≥99.9%) |
| Storage | Ambient temperature, inert atmosphere recommended |
| MOQ | 100kg (bulk orders negotiable) |
Technical Consultation:
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