About this material
p-Cymene, also known as Paracymene, is a bright terpenic aroma chemical with an energetic citrus character.
Its profile evokes freshly cut lemon and bergamot peel, combining sparkling freshness with a dry, aromatic warmth that gives it more texture than a straightforward citrus note.
This balance of freshness and warmth makes p-Cymene particularly useful when a fragrance needs lift without losing connection to its aromatic, woody or herbal foundation.
Odour profile
The material opens with a citric and distinctly terpenic impression.
Lemon and bergamot facets are prominent, accompanied by a dry aromatic quality reminiscent of citrus oils and freshly expressed peel.
As it develops, the initial brightness becomes warmer and more textured.
This allows p-Cymene to contribute freshness while maintaining enough body to connect naturally with herbal, woody and resinous materials.
Using p-Cymene in perfumery
p-Cymene can enliven citrus colognes, aromatic fragrances, herbal compositions and modern woody perfumes.
It can reinforce the naturalistic character of lemon, bergamot and other citrus materials while adding dryness and diffusion.
Within lavender, rosemary, pine, coniferous or Mediterranean-inspired accords, it contributes an authentic terpenic brightness.
It may also be used to sharpen heavier woody, amber or resinous structures and prevent them from feeling overly dense.
Its energetic profile can be valuable in contemporary fresh fragrances where clean citrus impact needs greater aromatic personality.
Creative pairings
Pair p-Cymene with lemon, bergamot, grapefruit, lavender, rosemary, petitgrain, pine materials, cedarwood, vetiver, frankincense and dry amber notes.
It can also add zest and definition to fresh floral or green accords.
Scent character
Highlights from the material’s listed odour profile.
Note position
Top note
Material character
A closer lookOdour strength
Listed qualitative strength
Tenacity / substantivity
< 2 Hour(s) at 100%
Listed reference conditions
Fragrance development
Top note
Illustrative note development · no measured evaporation data
Molecular identity
C10H14
- Molecular weight
- 134.22 g/mol
- IUPAC name
- 1-methyl-4-propan-2-ylbenzene
More compound properties
Computed and structural reference properties for the named compound. These are not measured supplier specifications or properties of a complete dilution, mixture or batch.
- XLogP (computed)
- 4.1
- Exact mass (Da)
- 134.109550447
- Monoisotopic mass (Da)
- 134.109550447
- Topological polar surface area (Ų)
- 0
- Complexity
- 86
- Formal charge
- 0
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 0
- Rotatable bonds
- 1
- Heavy atoms
- 10
- Isotope atoms
- 0
- Atom stereocentres
- 0
- Bond stereocentres
- 0
- Covalent units
- 1
- SMILES
- CC1=CC=C(C=C1)C(C)C
- InChI
- InChI=1S/C10H14/c1-8(2)10-6-4-9(3)5-7-10/h4-8H,1-3H3
- InChIKey
- HFPZCAJZSCWRBC-UHFFFAOYSA-N
Reference data checked 2026-10-27.
This molecular reference matches the catalogue’s recorded CAS and formula. It does not confirm the supplied grade, purity, stereochemistry, isomer proportions, composition, impurities or unlisted constituents.
Fragrance allergen reference
Generic regulatory reference only. This is not a supplier allergen declaration, measured composition, allergen-free claim or finished-product labelling assessment.
Raw-material reference based on recorded CAS numbers. A CAS match identifies a reference entry; it does not verify the supplied grade, composition, purity or finished-product compliance. Naturals, bases and mixtures require composition review.
European Union / Northern Ireland
No direct listed-entry CAS match in this jurisdiction’s held reference set. This does not mean the material is allergen-free. Constituents, grouped entries and natural-material composition may require further review.
Finished-cosmetic declaration thresholds: greater than 0.001% leave-on; greater than 0.01% rinse-off. Apply the current target-market rules to the actual complete formulation; no concentration is inferred here.
Commission Regulation (EU) 2023/1545 · Regulation (EU) 2023/1545 with 11 November 2025 corrigendum; checked 2026-10-26.
Held EU transition dates: placing noncompliant products on the market until 2026-07-31; making them available until 2028-07-31. Check applicability and current law for the intended market. 2025 corrigendum.
Great Britain
No direct listed-entry CAS match in this jurisdiction’s held reference set. This does not mean the material is allergen-free. Constituents, grouped entries and natural-material composition may require further review.
Finished-cosmetic declaration thresholds: greater than 0.001% leave-on; greater than 0.01% rinse-off. Apply the current target-market rules to the actual complete formulation; no concentration is inferred here.
Regulation (EC) No 1223/2009, Annex III (Great Britain) · legislation.gov.uk current text checked 2026-10-26.
Current supplier composition or allergen declarations are required to assess naturals, bases, mixtures and actual concentrations. Reference data checked 2026-10-26; bundle 2026-10-27. Supplementary private documents remain separate.
Product specification
| CAS number | 99-87-6 |
|---|---|
| Odour description (decreasing) | Citric, Terpenic, Lemon, Bergamot, Dry, Herbal, Mildly Spicy |
| Odour strength | Medium to strong |
| Perfumery use | A dry, bright terpenic material for citrus, aromatic, herbal, spice, cologne, woody and functional-fragrance accords. It can add lift and naturalistic peel character, sharpen aromatic structures and reduce the impression of sweetness in compositions that need a drier, more energetic opening.Listed perfumery guidance; this is not an IFRA limit. |
| Typical use percentage | 0.05–1% of the fragrance concentrate |
| Substantivity | < 2 Hour(s) at 100% |
| Solvent | None |
| Flash point | 47 °C |
| Physical state | Liquid |
| Physical form | Liquid |
| Synonyms | p-Cymene; Para-Cymene; Paracymene; 4-Isopropyltoluene; p-Isopropyltoluene; 1-Isopropyl-4-methylbenzene; p-Cymol |
| Recorded name / preparation | Paracymene |
| Molecular formula | C₁₀H₁₄ |
Safety & handling
Signal word: Danger
Hazard statements:
- H226 Flammable liquid and vapour.
- H304 May be fatal if swallowed and enters airways.
- H411 Toxic to aquatic life with long lasting effects.
Precautionary statements:
- P210 Keep away from heat, sparks, open flames and hot surfaces. – No smoking.
- P233 Keep container tightly closed.
- P240 Ground/bond container and receiving equipment.
- P241 Use explosion-proof electrical, ventilating and lighting equipment.
- P242 Use only non-sparking tools.
- P243 Take precautionary measures against static discharge.
- P273 Avoid release to the environment.
- P280 Wear protective gloves/eye protection/face protection.
- P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
- P303+P361+P353 IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
- P331 Do NOT induce vomiting.
- P370+P378 In case of fire: Use for extinction: Foam, Dry chemical, Carbon dioxide.
- P391 Collect spillage.
- P403+P235 Store in a well-ventilated place. Keep cool.
- P405 Store locked up.
- P501 Dispose of contents/container to: approved disposal site.
Important: For professional formulation use. Review the Safety Data Sheet before handling, storage or use.
Datasheets & customer documents
Available documents are attached to eligible completed orders in your account.
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Supplementary documents are supplied only where explicitly listed and available. Check documentation information
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Documentation Supply PolicyIFRA formulation guide
Generic reference only — not an IFRA certificate, compliance decision or use recommendation. The Responsible Person and qualified safety assessor must assess the actual finished formula using current applicable IFRA Standards, supplementary documentation where available and the CPSR.
Raw-material reference based on recorded CAS numbers. A CAS match identifies a reference entry; it does not verify the supplied grade, composition, purity or finished-product compliance. Naturals, bases and mixtures require composition review.
Source: 51st Amendment overview, held source checked 2026-10-21. Bundle 2026-10-27. Individual Standards prevail over the overview.
No direct IFRA overview entry matched the recorded CAS in this held dataset. This does not mean unrestricted use, absence of relevant Standards or compliance. Constituent restrictions may still apply.
IFRA source overview · Individual IFRA Standards and supplementary documentation
Supplier certificates and private documents are separate evidence. Their availability does not determine whether this generic guide is shown. This is a dated local reference, not a live regulatory feed.
Creative ideas to explore
Creative directions, not tested formulas.A leafy cologne
With geranium and herbal notesSketch a citrus opening with a green or herbal counterpoint. Compare the leafy version with the citrus alone, noting whether the added direction suggests peel, garden freshness or an herbal character that changes the brief.
Citrus and grain
With a transparent wood directionExplore a spare citrus-and-wood structure, keeping the wood choice simple. Follow both the opening and later impression to see whether the composition keeps a clear outline as the bright citrus character changes through the evaluation.
Petal brightness
With rose and airy floral notesUse a familiar floral accord as the setting for a brighter citrus variation. Compare the flower with and without the citrus material, then decide whether to emphasise a fresh opening or a more continuous floral impression.









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