Sweet-floral, at first delicate and refreshingly mild, but often increasing in odor strength after short olfactory study. The floral notes are mild, light and resemble Lily of the Valley. The tenacity is good, and the odor diffusion increases significantly when the material is properly blended with lower boiling odorants or modifiers.

General Information

CategoryAromatic Compound
IUPAC Name7-hydroxy-3,7-dimethyloctanal
CAS Number107-75-5
Molecular Weight172.26 g/mol

Organoleptic Properties

Odor Family
Odor Strength
Odor DescriptionCitrus, Floral, Green, Lily, Melon, Sweet, Tropical, Waxy
Usage Level5% in the fragrance concentrate
Substantivity218 hours at 100%

Physical Properties

AppearanceColorless to pale yellow clear oily liquid (est)
Specific Gravity0.917 to 0.921 @ 25 °C.
Pounds per Gallon7.63 to 7.664
Refractive Index1.447 to 1.45 @ 20 °C.
Vapor Pressure0.003 mmHg @ 25 °C. (est)
Vapor Density5.9 ( Air = 1 )
Boiling Point241 °C. @ 760 mm Hg
Flash Point255 °F. TCC ( 123.89 °C. )
Acid Value3 max. KOH/g
Shelf Life24 months if stored properly
StorageStore in cool, dry place in tightly sealed containers, protected from heat and light.
Soluble inBenzyl alcohol
Essential oils
Ethyl alcohol, 1 part 50% alcohol
Ethyl alcohol, 1.5 vol of 50% alcohol
Ethyl alcohol, 60% alcohol
Fixed oils
Paraffin oil, slightly
Water, slightly
Water, 3042 mg/L @ 25 °C (est)
Insoluble inGlycerin


CategoryFlavor and fragrance agents
Critical EffectDermal sensitization
Usage limits in the finished product
Cat. 1Category 1:0.38 %
Cat. 2Category 2:0.11 %
Cat. 3Category 3:2.3 %
Cat. 4Category 4:2.1 %
Cat. 5ACategory 5A:0.53 %
Cat. 5BCategory 5B:0.53 %
Cat. 5CCategory 5C:0.53 %
Cat. 5DCategory 5D:0.53 %
Cat. 6Category 6:1.2 %
Cat. 7ACategory 7A:4.3 %
Cat. 7BCategory 7B:4.3 %
Cat. 8Category 8:0.22 %
Cat. 9Category 9:4.1 %
Cat. 10ACategory 10A:15.00 %
Cat. 10BCategory 10B:15.00 %
Cat. 11ACategory 11A:8.2 %
Cat. 11BCategory 11B:8.2 %
Cat. 12Category 12:No Restriction

Safety Information

PictogramsGHS07: Harmful
Hazard StatementH315 - Causes skin irritation
H317 - May cause an allergic skin reaction
H319 - Causes serious eye irritation
Precautionary StatementP261 - Avoid breathing dust/fumes/gas/mist/vapours/spray
P264 - Wash … thoroughly after handling
P272 - Contaminated work clothing should not be allowed out of the workplace
P280 - Wear protective gloves/protective clothing/eye protection/face protection
P302 + 352 - IF ON SKIN: Wash with plenty of water/…
P305 + 351 + 338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing
P333 + 313 - If skin irritation or a rash occurs: Get medical advice/attention
P337 + 313 - If eye irritation persists get medical advice/attention
P362 - Take off contaminated clothing
P501 - Dispose of contents/container in accordance with local/regional/national/international regulations.
R-phrasesR36/38 - Irritating to eyes and skin
R41 - Risk of serious damage to eyes
R43 - May cause sensitisation by skin contact
S-phrasesS2 - Keep out of the reach of children
S24 - Avoid contact with skin
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36 - Wear suitable protective clothing
Europe Standard HazardXi - Irritant


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