Thymol
Thyme, Spicy, Phenolic, Medicinal, Camphoraceous, Warm
About this material
Thymol is an intense aromatic material with the dry heat of thyme, crushed herbs and phenolic spice.
Its cool camphoraceous edge gives the impression of clarity, while the warmer background brings weight and authenticity to botanical structures.
This is a material for deliberate, finely judged accents.
In trace proportions it can sharpen an aromatic accord, add severity to a fougère or create the intriguing contrast of clean coolness against warm woods and resins.
Its attraction is the tension between austerity and warmth.
Thymol can feel crystalline and severe at first, then reveal the heat of dried herbs and dark spice, giving a formula an arresting sense of atmosphere.
Odour profile
The odour is strongly spicy-herbaceous and phenolic, with camphoraceous, medicinal and slightly smoky facets.
Beneath the initial force is a dry aromatic warmth that recalls thyme and Mediterranean herbs.
The opening is powerful, dry and unmistakably phenolic, with a cool medicinal clarity around its aromatic core.
Thyme-like spice and camphoraceous freshness create an impression that is both clean and intensely botanical.
In dilution, the profile becomes more layered. Warm herbs, light smoke and a slightly woody dryness emerge beneath the sharper facets, allowing Thymol to contribute texture and shadow rather than a single dominant medicinal note.
Using Thymol in perfumery
Thymol can support aromatic, fougère, botanical, incense and dry woody compositions.
It is useful where a formula needs a precise herbal bite, a cool medicinal accent or greater realism in thyme, oregano and resinous herb effects.
In fougère and aromatic structures, tiny amounts can sharpen lavender, rosemary, sage or pine, giving the accord a more authentic herbal backbone.
It can also create contrast against bergamot and other bright citrus materials.
Within incense, leather and woody fragrances, Thymol can suggest smoked herbs, aged timber or a cool mineral edge.
Its potency makes it best suited to measured additions, with the complete composition assessed over time.
Creative pairings
Explore Thymol with lavender, rosemary, sage, eucalyptol, bergamot, pine, black pepper, cedarwood, patchouli, frankincense and labdanum.
Use from a considered dilution to maintain detail and avoid flattening softer materials.
Explore a cool aromatic treatment with eucalyptol, lavender, pine and juniper, or a warmer, darker construction with black pepper, cedarwood, patchouli, frankincense and labdanum.
Soft florals or musk can temper the severity without erasing its character.
Scent character
Highlights from the material’s listed odour profile.
Note position
Top note
Material character
A closer lookOdour strength
, recommend smelling in a 1.00 % solution or less
Listed qualitative strength
Tenacity / substantivity
176 hour(s)
at 20.00%
Listed reference conditions
Fragrance development
Top note
Illustrative note development · no measured evaporation data
Molecular identity
C10H14O
- Molecular weight
- 150.22 g/mol
- IUPAC name
- 5-methyl-2-propan-2-ylphenol
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)
- 3.3
- Exact mass (Da)
- 150.104465066
- Monoisotopic mass (Da)
- 150.104465066
- Topological polar surface area (Ų)
- 20.2
- Complexity
- 120
- Formal charge
- 0
- Hydrogen bond donors
- 1
- Hydrogen bond acceptors
- 1
- Rotatable bonds
- 1
- Heavy atoms
- 11
- Isotope atoms
- 0
- Atom stereocentres
- 0
- Bond stereocentres
- 0
- Covalent units
- 1
- SMILES
- CC1=CC(=C(C=C1)C(C)C)O
- InChI
- InChI=1S/C10H14O/c1-7(2)9-5-4-8(3)6-10(9)11/h4-7,11H,1-3H3
- InChIKey
- MGSRCZKZVOBKFT-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 | 89-83-8 |
|---|---|
| Odour description (decreasing) | Thyme, Spicy, Phenolic, Medicinal, Camphoraceous, Warm |
| Odour strength | High, recommend smelling in a 1.00 % solution or less |
| Perfumery use | Dry thyme-like accents, aromatic structures, herbal woods and phenolic contrasts.Listed perfumery guidance; this is not an IFRA limit. |
| Typical use percentage | 0.1% - 0.15% |
| Substantivity | 176 hour(s) at 20.00% |
| Solvent | None |
| Flash point | 116 °C |
| Physical state | Solid |
| Physical form | White crystals |
| Synonyms | Thymol; 2-Isopropyl-5-methylphenol |
| Molecular formula | C₁₀H₁₄O |
| Molecular weight | 150.22 g/mol |
Safety & handling
Signal word: Danger
Hazard statements
- H302 Harmful if swallowed.
- H314 Causes severe skin burns and eye damage.
- H411 Toxic to aquatic life with long lasting effects.
Precautionary statements
- P260 Do not breathe vapour or dust.
- P264 Wash hands and other contacted skin thoroughly after handling.
- P270 Do no eat, drink or smoke when using this product.
- P273 Avoid release to the environment.
- P280 Wear protective gloves/eye protection/face protection.
- P301/312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
- P301/330/331 IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
- P303/361/353 IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
- P304/340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
- P305/351/338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P310 Immediately call a POISON CENTER or doctor/physician.
- P330 Rinse mouth.
- P363 Wash contaminated clothing before reuse.
- P391 Collect spillage.
- 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.Spice among petals
With rose and a clear floral accordExplore a floral study with the spicy material as the changing accent. Compare it against the flower alone, deciding whether the contrast suggests warmth, brightness or a more pronounced spice character that deserves a different brief.
Peel and spice
With bergamot and an aromatic directionSketch a brighter spice idea around citrus peel, then compare an herbal variation separately. Evaluate which setting makes the material’s listed character easiest to recognise and whether the opening still matches the composition you want to build.
A textured wood
With sandalwood and an amber directionPlace the spice character against a simple wood backdrop and compare a warmer amber variation. Keep the wood-only reference close so you can judge the contribution of each change without mistaking a richer blend for a better one.









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