(99-87-6CAS:)PARA CYMENE
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PARA-CYMENE
CAS: 99-87-6
🔍 Summary
Para-Cymene is an aromatic hydrocarbon monoterpene with a sharp, spicy, and citrus-like herbal scent. Naturally found in essential oils such as cumin and thyme, it is widely used in the fragrance and flavor industries, as well as a solvent and intermediate in chemical synthesis.
🧾 Chemical Identity
|
Property |
Value |
|
IUPAC Name |
1-Methyl-4-(propan-2-yl)benzene |
|
Common Names |
Para-Cymene, p-Cymene |
|
CAS Number |
99-87-6 |
|
EC Number |
202-796-7 |
|
Molecular Formula |
C₁₀H₁₄ |
|
Molecular Weight |
134.22 g/mol |
⚗️ Physical Properties
|
Property |
Value |
|
Physical State |
Colorless liquid |
|
Odor |
Herbal, pungent, citrusy, thyme-like |
|
Melting Point |
-68 °C |
|
Boiling Point |
176–178 °C |
|
Density |
0.857 g/mL at 25 °C |
|
Vapor Pressure |
0.5 mmHg at 25 °C |
|
Flash Point |
47 °C |
|
Solubility |
Insoluble in water; soluble in ethanol and organic solvents |
|
Refractive Index |
1.490 at 20 °C |
🌸 Olfactory Profile
- Odor Strength: Strong
• Odor Type: Herbal, citrusy, spicy, terpenic
• Longevity: Short to medium
• Effect: Bright and penetrating with a natural sharp tone
👃 Sensory Evaluation
Para-Cymene exhibits a distinct sharp and terpenic note that enhances the top notes in aromatic and natural fragrance compositions, imparting a zesty thyme-citrus freshness.
🧪 Aromatic Structure Breakdown
Para-Cymene is a simple aromatic hydrocarbon composed of a benzene ring substituted with a methyl and an isopropyl group. It is classified as a monoterpene derivative and is a precursor for compounds like Carvacrol.
🤝 Blending Affinities
Para-Cymene blends well with:
- Thymol (CAS: 89-83-8)
- Carvacrol (CAS: 499-75-2)
- Limonene (CAS: 138-86-3)
- Terpinolene (CAS: 586-62-9)
- Eucalyptol (CAS: 470-82-6)
🧴 Suggested Applications
|
Category |
Use |
|
Fragrances |
Used in natural, terpenic, herbal, and medicinal fragrances |
|
Essential Oils |
Naturally found in cumin, thyme, oregano, and lemon oils |
|
Cleaning Products |
Component in natural air fresheners and plant-based cleaners |
|
Chemical Industry |
Intermediate for Carvacrol production and industrial applications |
🎶 Recommended Fragrance Accords
Herbal Accord
|
Material |
Ratio (%) |
CAS Number |
|
Para-Cymene |
35 |
99-87-6 |
|
Thymol |
25 |
89-83-8 |
|
Linalool |
20 |
78-70-6 |
|
Eucalyptol |
20 |
470-82-6 |
Fruity Accord
|
Material |
Ratio (%) |
CAS Number |
|
Para-Cymene |
20 |
99-87-6 |
|
Limonene |
30 |
138-86-3 |
|
Ethyl Butyrate |
30 |
105-54-4 |
|
Alpha Pinene |
20 |
80-56-8 |
Green Accord
|
Material |
Ratio (%) |
CAS Number |
|
Para-Cymene |
15 |
99-87-6 |
|
Cis-3-Hexenol |
35 |
928-96-1 |
|
Galbanum Oil |
30 |
8023-91-4 |
|
Terpinolene |
20 |
586-62-9 |
Woody Accord
|
Material |
Ratio (%) |
CAS Number |
|
Para-Cymene |
20 |
99-87-6 |
|
Cedarwood Oil |
30 |
8000-27-9 |
|
Patchouli Oil |
30 |
8014-09-3 |
|
Vetiverol |
20 |
6750-60-3 |
⚠️ Safety and Regulatory Compliance
- H226: Flammable liquid
• H304: May be fatal if swallowed and enters airways
• H315: Causes skin irritation
• H319: Causes eye irritation
• H411: Toxic to aquatic life with long lasting effects - Use protective gloves and goggles
• Ensure good ventilation during use
• Store in a cool place away from ignition sources
✔️ No current IFRA restrictions on the use of Para-Cymene in any product category (Amendment 51).
IFRA Reference: https://ifrafragrance.org/standards
🔗 External References
- PubChem – https://pubchem.ncbi.nlm.nih.gov/compound/Para-cymene
- ChemicalBook – https://www.chemicalbook.com/ChemicalProductProperty_EN_CB1707194.htm
🏁 Conclusion
Para-Cymene is a highly versatile natural compound with a strong herbal-citrus profile, ideal for aromatic, natural, and medicinal fragrance compositions.
🔗 For more aroma chemicals, visit Atiab International – https://atiabintl.com
Please customer do their own research on the product and verify its proper use. This product cannot be returned.
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