N,N-Diethylacetamide (CAS 685-91-6) Comprehensive User Guide
Table of Contents
1. Product Specifications & Comparative Analysis
| Parameter | N,N-Diethylacetamide | Alternative Solvents |
|---|---|---|
| CAS Number | 685-91-6 | Varies by product |
| Molecular Formula | C6H13NO | Dependent on chemistry |
| Purity | ≥99% (Pharma Grade) | Typically 95-98% |
| Flash Point | 70.6°C | 40-100°C range |
| Packaging | 1kg/25kg sealed drums | Variable options |
2. Key Applications & Industrial Uses
Core Functional Properties:
- High-polarity aprotic solvent with hydrogen-bonding capacity
- Thermal stability up to 185°C
- Low volatility under ambient conditions
Primary Industry Applications:
- Pharmaceutical Synthesis: Key intermediate in cephalosporin antibiotics production
- Polymer Manufacturing: Solvent for polyimide resins in electronics
- Metal Processing: Cleaning agent for precision aerospace components
- Agrochemicals: Reaction medium for pesticide formulations
3. Operational Best Practices
Safety Protocols (GHS Compliance):
- PPE Requirements: Nitrile gloves, vapor respirators, chemical goggles
- Spill Management: Absorb with inert material, prevent groundwater contamination
- Storage: Maintain below 30°C in nitrogen-purged containers
Technical Handling:
- Optimal dissolution temperature: 40-60°C
- Compatibility: Avoid strong oxidizers & mineral acids
- Waste disposal: Incineration with alkaline scrubber
4. Industry-Specific Case Studies
Case A: Specialty Chemicals Producer
Challenge: Required high-boiling solvent for continuous flow synthesis
Solution: Implemented N,N-Diethylacetamide in catalyst recovery system
Outcome: 22% yield improvement with 95% solvent recovery rate
Case B: Electronic Materials Manufacturer
Challenge: Needed low-residue cleaning agent for semiconductor parts
Solution: Developed ultrasonic cleaning formulation using DEAc
Result: Achieved Class 5 cleanliness standards consistently
5. Verified Client Implementations
Guangdong Daxiao Chemical Co., Ltd.
Application: Primary solvent for adhesive formulations
Volume: 12 metric tons/month continuous supply
Feedback: “Superior batch consistency compared to previous suppliers”
Wuhan Carnoss Technology
Use Case: Pharmaceutical intermediate synthesis
Implementation: GMP-compliant production since 2024
Endorsement: “Critical component in our API manufacturing process”
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