In short
Nerol oxide is a cyclic ether found in neroli, rose and bitter orange flower. It has a fresh green-floral odour with an orange-blossom facet.
What Nerol Oxide smells like
Nerol oxide is a green floral with an orange-blossom character and a minty, herbal depth. Bedoukian describes floral, orange blossom, green and sweet, and notes it adds body to neroli, honeysuckle and hyacinth compositions; Parchem gives green, vegetative and floral with a minty undernote; Mosciano green, vegetative, floral and leafy with a waxy, herbal, minty depth. In flavours it adds a cooling note.
- Leading note
- Green orange blossom
- Clear facets
- Leafy, vegetative
- Supporting facets
- Minty, cooling
- Faint facets
- Waxy
- Character
- Green, fresh, cool, sweet
What makes Nerol Oxide distinctive
The cool, leafy side of orange blossom — green and minty where the other orange-blossom materials are sweet and honeyed.
How Nerol Oxide is used
Used to add body to neroli, honeysuckle and hyacinth compositions, and at low levels in citrus, tropical and peppermint flavours.
Typical role: modifier (used in small amounts to change the character of a blend).
How Nerol Oxide differs from similar materials
- Neroli Oil
- Bedoukian notes nerol oxide adds body to neroli compositions; it is the green, minty leaf-and-blossom note, neroli the full citrus-floral oil. (compared directly by a cited source)
An asterisk marks a difference that a cited source states directly. The others compare the published descriptions of each material. Smell varies with grade, supplier and dilution; compare them side by side on blotters before substituting one for another.
Identity and classification
- Type
- Aroma chemical
- Origin
- Occurs in nature
- Odour family
- Floral / Green
- Note position
- Top to heart note
- Physical form at room temperature
- Liquid
- Also known as
- 4-Methyl-2-(2-methylprop-1-enyl)-3,6-dihydro-2H-pyran
- CAS number
- 1786-08-9
- Molecular formula
- C10H16O
- Molecular weight
- 152.23 g/mol
- IUPAC name
- 4-methyl-2-(2-methylprop-1-enyl)-3,6-dihydro-2H-pyran
The CAS number, formula and molecular weight are taken from PubChem compound 61275, 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 report it as not meeting the GHS hazard criteria (236 of 237 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
-
Rose Oxide
Aroma chemical · Floral / Metallic — metallic, green, geranium, rosy
-
Neroli Oil
Essential oil · Floral / Citrus — floral, citrus, orange blossom, honeyed
-
Linalool
Aroma chemical · Floral / Citrus — floral, fresh, woody, citrus
-
Nerol
Aroma chemical · Floral / Citrus — rosy, citrus, sweet, fresh
Used in formulas and accords
Used in 2 published formulas
Nerol Oxide is an ingredient in 2 perfume formulas in the Formula & Accord Library.
RUŌOD House Originals
Original compositions by RUŌOD House.
Further reading
Questions about Nerol Oxide
Is Nerol Oxide natural or synthetic?
The molecule occurs in nature. Commercial Nerol Oxide may be made by synthesis or obtained from natural sources, so check the supplier's specification if the distinction matters to you.
What is the CAS number of Nerol Oxide?
1786-08-9. It was checked against PubChem on 19 October 2026.
Which published formulas use Nerol Oxide?
Nerol Oxide is used in 2 published formulas in the RUŌOD Lab Formula & Accord Library: Orange Blossom Chalk and Orange Soda Sunset. Each is listed with a link under "Used in formulas and accords" on this page.
Sources
- PubChem — compound 61275, checked 19 October 2026.
- PubChem — GHS classification (the ECHA C&L Inventory notifications and any harmonised EU entry), read 26 October 2026.
- The Good Scents Company — nerol oxide (with Bedoukian and Mosciano descriptions) — odour database.
- Parchem — nerol oxide — distributor's description.
- 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.