In short
Symroxane is a Symrise woody methoxy ether with a vetiver-like character and dried-fruit and tobacco facets.
What Symroxane smells like
Symrise, as quoted by The Good Scents Company, describes Symroxane as woody and vetiver-like with dried-fruit and tobacco facets; Vigon gives vetiver and red fruit with spice, grapefruit and tobacco, and a trade report adds green pepper and amber. A perfumer on Basenotes found it very faint neat and soft, woody, a little green and spicy at 10%.
- Leading note
- Woody vetiver
- Supporting facets
- Dried fruit, tobacco
- Faint facets
- Spicy
- Character
- Soft, dry
What makes Symroxane distinctive
A vetiver-like wood with dried fruit in it.
How Symroxane is used
Used for woody-vetiver and tobacco effects in woody and oriental accords.
Typical role: modifier (used in small amounts to change the character of a blend).
How Symroxane differs from similar materials
- Rhubofix
- Rhubofix is green rhubarb over dry wood; Symroxane's vetiver-like wood carries dried fruit and tobacco instead.
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
Sources list more than one CAS number (676125-00-1, 393517-29-8, 393517-28-7); this record carries the one PubChem titles Symroxane.
Identity and classification
- Type
- Aroma chemical
- Origin
- Synthetic
- Odour family
- Woody / Fruity
- Note position
- Base note
- Physical form at room temperature
- Liquid
- Also known as
- 7-Methoxy-1,1,5,5-tetramethylhexahydro-2,4a-methanonaphthalene
- CAS number
- 676125-00-1
- Molecular formula
- C16H26O
- Molecular weight
- 234.38 g/mol
- IUPAC name
- 4-methoxy-2,2,7,7-tetramethyltricyclo[6.2.1.01,6]undec-5-ene
The CAS number, formula and molecular weight are taken from PubChem compound 78062915, whose own record lists this CAS number; checked 24 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 (25 reports): H411 toxic to aquatic life with long lasting effects (100% of reports). 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
-
Vetiver Oil
Essential oil · Woody / Green — earthy, smoky, woody, rooty
-
Iso E Super
Aroma chemical · Woody / Amber — woody, velvety, amber, cedar
-
Tobacco Absolute
Absolute · Leather / Gourmand — tobacco, honey, hay, leathery
Used in formulas and accords
Used in 3 published formulas
Symroxane is an ingredient in 2 perfume formulas and 1 accord in the Formula & Accord Library.
Community formulas
RUŌOD House Originals
Original compositions by RUŌOD House.
Further reading
Questions about Symroxane
Is Symroxane natural or synthetic?
Symroxane is synthetic — it is made by chemical synthesis.
What is the CAS number of Symroxane?
676125-00-1. It was checked against PubChem on 24 October 2026.
Which published formulas use Symroxane?
Symroxane is used in 3 published formulas in the RUŌOD Lab Formula & Accord Library: Cured Leaf, Pipe Smoke Orchard and Tobacco Accord. Each is listed with a link under "Used in formulas and accords" on this page.
Sources
- PubChem — compound 78062915, checked 24 October 2026.
- PubChem — GHS classification (the ECHA C&L Inventory notifications and any harmonised EU entry), read 26 October 2026.
- The Good Scents Company — Symroxane — odour database.
- Cosmetics & Toiletries — Symrise Symroxane — published perfumery reference.
- Olfactory profile: the RUŌOD Lab team's synthesis of the published descriptions above, reviewed 26 October 2026. Evidence: more than one published description. Classification and the short description: revision 1. Descriptions of odour are judgement, not measurement.