In short
Vertenex (4-tert-butylcyclohexyl acetate) is a synthetic ester with a woody, slightly floral orris-like note.
What Vertenex smells like
Vertenex (4-tert-butylcyclohexyl acetate; Firmenich sells it as Lorysia) is a sweet woody material with a soft, powdery orris-floral character. Arctander, cited by suppliers, describes a sweet woody odour with a pronounced powdery orris-root effect; others place its warmth between wood and orris with a subtle fruity sweetness. Its isomers differ: the cis form is more intense and floral-powdery, the trans form drier and woodier. An IFF-linked data sheet lists creamy, floral, fruity, piney, soft, strawberry, sweet and woody.
- Leading note
- Sweet woody orris
- Clear facets
- Powdery
- Supporting facets
- Floral
- Faint facets
- Fruity, piney
- Character
- Soft, sweet, powdery, clean
What makes Vertenex distinctive
An inexpensive orris effect: sweet wood with a powdery iris-root lift, which makes it a bridge between woods and delicate florals.
How Vertenex is used
Used as a blender in the heart, bridging woody and floral materials, and very widely in soaps and functional products.
Typical role: blender (smooths the joins between other materials).
How Vertenex differs from similar materials
- Orivone
- Orivone is a powerful, camphoraceous, earthy orris-wood; Vertenex is softer and sweeter, with a powdery floral orris.
Each difference compares the published descriptions of the two materials. Smell varies with grade, supplier and dilution; compare them side by side on blotters before substituting one for another.
Formulation considerations
Stable in most bases.
Identity and classification
- Type
- Aroma chemical
- Origin
- Synthetic
- Odour family
- Woody / Floral
- Note position
- Heart note
- Physical form at room temperature
- Liquid
- Also known as
- 4-tert-Butylcyclohexyl acetate
- CAS number
- 32210-23-4
- Molecular formula
- C12H22O2
- Molecular weight
- 198.3 g/mol
- IUPAC name
- (4-tert-butylcyclohexyl) acetate
The CAS number, formula and molecular weight are taken from PubChem compound 36081, whose own record lists this CAS number; checked 19 October 2026.
Safety and compliance
Hazard classification of the neat substance, as PubChem summarises it, read 26 October 2026. Companies notifying the ECHA C&L Inventory classify it (2,617 reports): H317 may cause an allergic skin reaction (80.3% of reports); H411 toxic to aquatic life with long lasting effects (20.9% of reports). 1 of the reports find it does not meet the hazard criteria. A skin sensitiser classification concerns handling the neat material and the dose in a finished product; the IFRA Standards, where they apply, set the limits. Unless it is harmonised, this is the notifiers' own classification, not a binding one.
This page is general information, not a safety assessment or a specification. Confirm identity, composition, IFRA status and allergen content from your supplier's documents for the lot you hold.
Materials it works with
-
Verdox
Aroma chemical · Fruity / Woody — fruity, apple, woody, fresh
-
Iso E Super
Aroma chemical · Woody / Amber — woody, velvety, amber, cedar
-
alpha-Isomethyl Ionone
Aroma chemical · Powdery / Floral — powdery, violet, orris, woody
Vertenex is also suggested as a partner on the pages for 4-tert-Butylcyclohexanol, Nopyl Acetate and Orivone.
Used in formulas and accords
Used in 36 published formulas
Vertenex is an ingredient in 33 perfume formulas and 3 accords in the Formula & Accord Library.
Community formulas
RUŌOD House Originals
Original compositions by RUŌOD House.
Further reading
Questions about Vertenex
Is Vertenex natural or synthetic?
Vertenex is synthetic — it is made by chemical synthesis.
What is the CAS number of Vertenex?
32210-23-4. It was checked against PubChem on 19 October 2026.
Which published formulas use Vertenex?
Vertenex is used in 36 published formulas in the RUŌOD Lab Formula & Accord Library, including Ambrette Halo, Apricot Dust and Bell Glass. Each is listed with a link under "Used in formulas and accords" on this page.
Sources
- PubChem — compound 36081, checked 19 October 2026.
- PubChem — GHS classification (the ECHA C&L Inventory notifications and any harmonised EU entry), read 26 October 2026.
- Scentspiracy — PTBCHA (Vertenex) — distributor's description.
- Scent.vn — Vertenex — distributor's description.
- ChemicalBook — 4-tert-butylcyclohexyl acetate (CAS 32210-23-4) — odour database.
- Olfactory profile: the RUŌOD Lab team's synthesis of the published descriptions above, reviewed 20 October 2026. Evidence: more than one published description. Classification and the short description: revision 1. Descriptions of odour are judgement, not measurement.