1,2-Dimethoxypropane

1,2-Dimethoxypropane
Other Names: DMP, Propane-1,2-dimethoxy, 2,2-Dimethoxypropane (note: often confused, different isomer)
CAS Number: 7778-85-0
Sum Formula: C₅H₁₂O₂
Molar Mass: 104.15 g/mol
Appearance: Colorless, flammable liquid with ether-like odor

1,2-Dimethoxypropane is an aliphatic diether, used primarily as a solvent and intermediate in organic synthesis. Its ether structure imparts good miscibility with many organic solvents, making it useful for specialized applications in chemical processing and laboratory research.

Chemical and Physical Properties
Density: 0.87 g/cm³ (20°C)
Melting Point: -85°C
Boiling Point: 89–90°C
Flash Point: -1°C (closed cup)
Vapor Pressure: ~110 mmHg (20°C)
Solubility in Water: Limited solubility
Solubility in Organic Solvents: Miscible with most organic solvents
Stability: Stable under recommended storage conditions; highly flammable

Applications
Used as a solvent in organic synthesis
Intermediate in fine chemical production
Applied in laboratory research for reactions requiring ether solvents
Specialty applications in coatings and polymer chemistry

Safety

Signal Word: Danger

First Aid Measures
Eye Contact: Rinse cautiously with water for several minutes. Seek medical attention if irritation persists
Skin Contact: Wash with soap and water. Remove contaminated clothing
Inhalation: Move to fresh air. Seek medical help if symptoms occur
Ingestion: Rinse mouth with water. Do not induce vomiting. Seek medical advice immediately

Handling and Storage
Store in tightly sealed containers in a cool, dry, and well-ventilated place
Keep away from ignition sources, heat, and oxidizing agents
Use only under fume hood or with proper ventilation