Sweet Marjoram Oil

What Sweet Marjoram Oil smells like

Sweet marjoram oil is warm, woody, spicy and herbaceous. A chemical database describes an earthy, spicy odour with a spicy, cardamom-like note, attributing its character mainly to terpinen-4-ol together with cis-sabinene hydrate; suppliers give a warm, sweet-spicy, terpenic aroma with a mildly pungent herbaceous-woody undertone, or warm, woody, spicy-camphoraceous. Terpinen-4-ol levels vary widely between samples.

Leading note

Warm sweet herb

Supporting facets

Spicy, cardamom, woody

Faint facets

Camphoraceous

Character

Warm, soft, sweet

• herbal
• warm
• spicy
• woody

What makes Sweet Marjoram Oil distinctive

The warm, sweet herb: terpinen-4-ol's woody spice rounded into a soft, comforting note.

How Sweet Marjoram Oil is used

Used in herbal, spicy, fougère and lavender compositions, and in flavours.

Typical role: modifier (used in small amounts to change the character of a blend).

How Sweet Marjoram Oil differs from similar materials

Terpinen-4-ol*

Terpinen-4-ol is the main constituent alone, earthier and more peppery; marjoram adds a warm, sweet, cardamom-like herb. (compared directly by a cited source)

Oregano Oil

Oregano, a close relative, is carvacrol-led — hot and phenolic; sweet marjoram is softer and sweeter.

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.

Formulation considerations

Not interchangeable with Spanish marjoram, which is a thyme species with a more cineolic odour.

Identity and classification

Type

Essential oil

Origin

Natural

Odour family

Aromatic / Spicy

Note position

Heart note

Physical form at room temperature

Liquid

Botanical source

Origanum majorana

CAS number

8015-01-8

The CAS number was checked on 19 October 2026 against a PubChem substance record that gives it for this material. A natural material is a mixture, so it has no single formula; its composition varies with origin and processing.

Safety and compliance

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

• Terpinen-4-ol

  Aroma chemical · Aromatic / Spicy — spicy, herbal, woody, earthy

• Lavender Oil

  Essential oil · Aromatic / Floral — lavender, herbal, floral, fresh

• Rosemary Oil

  Essential oil · Aromatic / Woody — herbal, camphoraceous, fresh, woody

• Thyme Oil

  Essential oil · Aromatic / Spicy — herbal, phenolic, medicinal, warm

Sweet Marjoram Oil is also suggested as a partner on the pages for Oregano Oil.

Used in formulas and accords

Used in 1 published formula

Sweet Marjoram Oil is an ingredient in 1 perfume formula in the Formula & Accord Library.

RUŌOD House Originals

Original compositions by RUŌOD House.

• Thyme Cliff

  RUŌOD House Original

Further reading

• Aromatic Notes in Perfumery: Lavender, Sage, Rosemary and Mint

  The aromatic family for formulators: lavender, lavandin and spike, clary sage, rosemary, mint and basil — chemistry, chemotypes and EU allergen status.

Questions about Sweet Marjoram Oil

Sources

• PubChem — substance 135362110, checked 19 October 2026.
• ChemicalBook — marjoram oil (CAS 8015-01-8) — odour database.
• Eden Botanicals — Marjoram, sweet — distributor's description.
• Aliksir — Sweet marjoram essential oil — distributor's description.
• Olfactory profile: the RUŌOD Lab team's synthesis of the published descriptions above, reviewed 21 October 2026. Evidence: more than one published description. Classification and the short description: revision 1. Descriptions of odour are judgement, not measurement.