CAS 68-12-2: DMF (Dimethylformamide) (C3H7NO)
Identity
| CAS Number | 68-12-2 |
| Molecular Formula | C3H7NO |
| IUPAC Name | N,N-dimethylformamide |
| Molecular Weight | 73.09 g/mol |
| SMILES | CN(C)C=O |
| Synonyms | DMF, N,N-dimethylformamide, DMFA |
2D Structure
Physical Properties
| Density | 0.944 g/mL at 25°C |
| Boiling Point | 153°C |
| Melting Point | -61°C |
| Flash Point | 58°C |
| Vapor Pressure | 0.36 kPa at 20°C |
| Refractive Index | nD = 1.43 |
| Dielectric Constant | ε = 36.7 |
Safety & GHS Classification
FlammableIrritantHealth Hazard
- H226: Flammable liquid and vapor
- H312: Harmful in contact with skin
- H319: Causes serious eye irritation
- H332: Harmful if inhaled
- H360D: May damage the unborn child
Storage: Store in tightly sealed containers under nitrogen. Hygroscopic. Keep away from heat and ignition sources. Use in fume hood.
Material Compatibility Matrix
Plastics
| Material | Rating |
|---|
| PTFE | Excellent |
| PVC | Poor |
| PE | Fair |
| PP | Good |
| PEEK | Excellent |
| PVDF | Fair |
Rubbers
| Material | Rating |
|---|
| Viton | Poor |
| NBR | Severe Effect |
| EPDM | Fair |
| Silicone | Poor |
| FKM | Poor |
Metals
| Material | Rating |
|---|
| Stainless 316 | Excellent |
| Aluminum | Excellent |
| Copper | Excellent |
| Brass | Excellent |
Applications
- Polymer and fiber spinning solvent
- Pharmaceutical synthesis
- Pesticide formulation
- PCB cleaning
- Laboratory reagent
External References: PubChem
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