Methyl Acetate Cas 79-20-9
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Chemical Name: Methyl Acetate
CAS No.: 79-20-9
Molecular Formula: C3H6O2
Molecular Weight: 74.08
Appearance: Transparent Liquid
Methyl Acetate (CAS 79-20-9) Comprehensive User Guide
Table of Contents
1. Product Overview & Specifications
| Parameter | Methyl Acetate | Common Alternatives* |
|---|---|---|
| CAS Number | 79-20-9 | 108-21-4 (Ethyl Acetate) |
| Molecular Formula | C3H6O2 | C4H8O2 |
| Molecular Weight | 74.08 g/mol | 88.11 g/mol |
| Boiling Point | 57°C | 77°C |
| Flash Point | -10°C (CC) | -4°C |
| Density | 0.93 g/cm³ | 0.90 g/cm³ |
| Solubility | 31.9 g/100mL (20°C) | 8.3 g/100mL |
*Comparison with ethyl acetate highlights faster evaporation rates and lower toxicity.
2. Key Applications
Core Industrial Uses:
- Solvent Applications: Primary component in nitrocellulose lacquers, acrylic coatings, and resin systems
- Chemical Synthesis: Intermediate in pharmaceutical production (e.g., sulfonamides, vitamins)
- Consumer Goods: Flavoring agent (FEMA GRAS 4795) in food products ≤1,000 ppm
- Specialized Uses: Lithium extraction from brine solutions, cellulose acetate processing
3. Operational Guidelines
Storage Protocols:
- Maintain ambient temperature ≤30°C in FM-approved flammable storage cabinets
- Ground containers during transfer (NFPA 77 compliance)
Safety Measures:
| Exposure Route | First Aid Protocol | PPE Requirements |
|---|---|---|
| Inhalation | Immediate fresh air exposure; administer oxygen if SpO₂ <95% | NIOSH-approved APR with organic vapor cartridge |
| Skin Contact | 15-minute flush with tepid water; pH-neutral soap | Butyl rubber gloves (≥0.11mm thickness) |
| Eye Exposure | Morgan Lens irrigation for 20 minutes | Goggles with indirect ventilation |
4. Industry Use Cases
Automotive Coatings:
Enables 35% faster drying times compared to acetone-based systems in OEM paint applications
Flexographic Printing:
Reduces VOC emissions by 40% in FDA-compliant food packaging inks
5. Client Success Stories
Case Study 1: European Adhesive Manufacturer
Achieved 18% cost reduction in polyurethane production through optimized solvent recovery systems
Case Study 2: Asian Electronics Supplier
Improved conformal coating uniformity by 27% in PCB manufacturing processes
6. Contact for Technical Consultation
Email: info@vivalr.com
Phone: (86) 15866781826
Request SDS documentation or schedule a plant safety audit.
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