Cycloheptanone
Pharmaceutical Materials 2025-03-02
CAS Number: 502-42-1
Molecular Formula: C7H12O
Molecular Weight: 112.17 g/mol
Appearance: Colorless to light yellow liquid
Melting Point: -21°C
Boiling Point: 179-180°C
Density: 0.9 g/cm³ (approx.)
Flash Point: 57°C
Usage: Used as a solvent and in organic synthesis.
| Category | Information |
|---|---|
| Basic Information | |
| Name | Cycloheptanone |
| CAS Number | 100-44-7 |
| Other Names | Heptanone, cyclic; Cycloheptan-1-one |
| Chemical Formula | C7H12O |
| Molecular Weight | 112.17 g/mol |
| Physical Properties | |
| Physical State | Colorless to pale yellow liquid |
| Odor | Characteristic, mild |
| Density | 0.92 g/mL at 25°C |
| Melting Point | -17°C |
| Boiling Point | 161-163°C |
| Refractive Index | 1.448 at 20°C |
| Flash Point | 59°C (closed cup) |
| Solubility | Soluble in water (sparingly), miscible with ethanol, ether, and other organic solvents |
| Chemical Characteristics | |
| Chemical Reactivity | Moderately reactive; forms adducts with Lewis acids |
| Stability | Stable under normal conditions; decomposes at high temperatures |
| Applications | |
| Industrial Use | As a solvent for resins, gums, and lacquers; in the manufacture of perfumes, insecticides, and dyes |
| Organic Synthesis | As an intermediate in the synthesis of pharmaceuticals, plastics, and other chemicals |
| Safety Information | |
| Risk Statements | H226 (Flammable liquid and vapor); H302 (Harmful if swallowed); H312 (Harmful in contact with skin); H315 (Causes skin irritation); H319 (Causes serious eye irritation); H332 (Harmful if inhaled) |
| Safety Statements | S26 (In case of contact with eyes, rinse immediately with plenty of water and seek medical advice); S36/37/39 (Wear suitable protective clothing, gloves, and eye/face protection); S45 (In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible)) |
| Storage Conditions | Store in a cool, dry place away from heat, sparks, and open flames. Keep the container tightly closed and in a well-ventilated area. |
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