p-Cymene
Pharmaceutical Materials 2025-03-02
Molecular Formula: C10H14
Molecular Weight: 134.22
CAS Number: 99-87-6
Appearance: Colorless transparent liquid
Application: Used in perfumes, pharmaceuticals, and as a chemical intermediate. It has a unique aromatic odor and plays an important role in various industries.
| Attribute | Details |
|---|---|
| Chemical Name | p-Cymene |
| Synonyms | P-Cymene, 1-Methyl-4-(1-methylethyl)benzene, 4-Isopropyltoluene, Para-Cymene |
| CAS Number | 99-87-6 |
| Molecular Formula | C10H14 |
| Molecular Weight | 134.21 g/mol |
| Chemical Structure | <img src=”https://upload.wikimedia.org/wikipedia/commons/thumb/d/d5/P-Cymene_structural_formula.svg/200px-P-Cymene_structural_formula.svg.png” /> (Image placeholder, actual structure may vary slightly) |
| Appearance | Colorless transparent liquid |
| Physical Properties | |
| – Density | Approximately 0.8573 g/mL at 25°C |
| – Boiling Point | 177.1°C |
| – Melting Point | -67.94°C |
| – Flash Point | 47°C |
| – Refractive Index | Approximately 1.4909 at 20°C |
| Solubility | Soluble in organic solvents such as alcohol, ether, and liquid paraffin; slightly soluble in water |
| Chemical Properties | Aromatic hydrocarbon with a stable chemical structure; undergoes substitution and addition reactions under specific conditions |
| Natural Occurrence | Found in essential oils of various plants, such as thyme and oregano |
| Applications | |
| – Industrial | Used as a solvent and intermediate in organic synthesis |
| – Pharmaceutical | Exhibits antioxidant, anti-inflammatory, and antibacterial properties; used in the treatment of respiratory infections and skin inflammation |
| – Agricultural | Shows potential as a natural pesticide and fungicide |
| – Fragrance & Flavor | Used as a fragrance ingredient in cosmetics and food products |
| Safety Information | May cause mild irritation to skin and eyes. Avoid inhalation and ingestion. Keep away from heat, sparks, and open flames. Store in a cool, dry place, away from incompatible materials. Wear appropriate protective clothing, gloves, and eye/face protection when handling. In case of contact with skin or eyes, rinse immediately with plenty of water and seek medical attention if necessary. |
Disclaimer: The above content is for reference and communication only among industry insiders, and does not guarantee its accuracy or completeness. According to relevant laws and regulations and the regulations of this website, units or individuals who purchase related items should obtain valid qualifications and qualification conditions.
