Ingredient Dictionary

LAEVO-ROSE OXIDE

(2S,4R)-rose oxide is a rose oxide that has S configuration at position 2 and R configuration at position 4.

Definition

(2S,4R)-rose oxide is a rose oxide that has S configuration at position 2 and R configuration at position 4. Also known as ()-cis-rose oxide, it is responsible for the characteristic fragrance of roses. It has a role as a fragrance and a plant metabolite. It is an enantiomer of a (2R,4S)-rose oxide.

Source: PubChem

US FDA substance register · UNII M8VU21JU32 · registered name ROSE OXIDE, CIS-(-)- · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Gives the product a scentPERFUMING

More data — names, identifiers, properties, test records, literature

Names & identifiers

LAEVO-ROSE OXIDEINCI2H-Pyran, tetrahydro-4-methyl-2-(2-methyl-1-propenyl)-, (2S-cis)-Synonym

CAS No.chemical registry number: 3033-23-6
EC No.EU chemical inventory number: 221-217-9
DTXSIDUS EPA chemical ID: DTXSID6051980
DTXCIDUS EPA compound ID: DTXCID9030543

IUPAC: (2S,4R)-4-Methyl-2-(2-methylprop-1-en-1-yl)oxane
Molecular formula: C10H18O
Molecular weight: 154.253 g/mol

Measured properties

Appearance: liquid
Initial boiling point and range: 182 ℃(1013.25hPa)
Flash point: 68 ℃
Water solubility: 63.97 ㎎/ℓ
Vapour density: 5.3244735933724545
Relative density: 0.873 (25°C)
n-Octanol/water partition coefficient (Kow): 3.58
Molecular weight: 154.25

Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.

Source: KOSHA safety data sheets (Korea)

What products actually use it for

What the 6 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.

Fragrance5
Flavouring and nutrient1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

1 skin studies and 1 eye studies are on record.

Classed as moderate1

The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.

See all 2 studies

Category 6.3A (Category 2)
Skin Irritation · Read Across
Category 6.4A (Category 2A)
Eye Irritation · Read Across