2-Heptanone
Pharmaceutical Materials 2025-03-02
CAS Number: 110-43-0
Molecular Formula: C7H14O
Molecular Weight: 114.19 g/mol
Appearance: Colorless liquid
Melting Point: -35°C
Boiling Point: 149-150°C
Flash Point: 47°C
Density: 0.82 g/mL at 25°C
Usage: Used as an industrial solvent and in the synthesis of fragrances.
| Category | Information |
|---|---|
| Basic Information | |
| Chemical Name | 2-Heptanone |
| Other Names | 2-Heptanone; Methyl pentyl ketone; Heptan-2-one; 2-Ethylhexanone; FEMA 2544 |
| CAS Number | 110-43-0 |
| EINECS Number | 203-767-1 |
| Molecular Formula | C7H14O |
| Molecular Weight | 114.19 g/mol |
| Physical Properties | |
| Appearance | Colorless transparent liquid |
| Odor | Fruity, spicy, sweet, and woody aroma with a cheese-like scent |
| Density | 0.82 g/mL at 25°C |
| Melting Point | -35°C |
| Boiling Point | 149-151°C |
| Flash Point | 47.2°C (closed cup) |
| Refractive Index | 1.4088 at 20°C |
| Solubility | Slightly soluble in water (4.3 g/L at 20°C); miscible with most organic solvents |
| Chemical Characteristics | |
| Chemical Structure | Contains a ketone group on the second carbon atom and alkyl groups |
| Polarity | Weakly polar |
| Reactivity | Stable; incompatible with strong oxidants, strong reductants, and strong bases |
| Applications | |
| Fragrance & Flavor | Used as a fragrance additive in perfumes and cosmetics, particularly in creamy, coconut-like, and banana-like fragrances |
| Industrial Solvent | Used as a solvent for nitrocellulose, polystyrene, and natural resins in paints, inks, and adhesives |
| Synthetic Intermediate | Used as an intermediate in organic synthesis and pharmaceutical chemistry |
| Safety Information | |
| Hazard Statements | H302 (Harmful if swallowed); H319 (Causes serious eye irritation); H332 (Harmful if inhaled) |
| Precautionary Statements | P261 (Avoid breathing dust/fume/gas/mist/vapors/spray); P280 (Wear protective gloves/protective clothing/eye protection/face protection); P301+P312+P330 (If swallowed: Immediately call a POISON CENTER/doctor. Rinse mouth with water); and more |
| Storage Conditions | Store in a cool, dry place below 37°C; keep away from heat, sparks, open flames, and oxidizing agents; ensure the container is sealed |
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