Citric, lively, nuances of tangerine and lemon oil. Occurrence in nature: most citrus, anise, cardamom, celery, parsley, rosemary, etc.

General Information

CategoryAromatic Compound
IUPAC Name1-methyl-4-prop-1-en-2-ylcyclohexene
CAS Number5989-27-5
Molecular Weight136.23 g/mol
Canonical SMILESCC1=CCC(CC1)C(=C)C

Organoleptic Properties

Odor Family
Odor Strength
Odor DescriptionCitrus, Fresh, Orange, Peely, Sweet
Usage Level20% in the fragrance concentrate
Substantivity4 hours at 100%

Physical Properties

AppearanceColorless to pale yellow clear liquid (est)
Specific Gravity0.838 to 0.843 @ 25 °C.
Pounds per Gallon6.973 to 7.015
Refractive Index1.471 to 1.477 @ 20 °C.
Vapor Pressure0.198 mmHg @ 25 °C.
Vapor Density4.7 ( Air = 1 )
Boiling Point175 to 177 °C. @ 760 mm Hg
Flash Point117 °F. TCC ( 47.22 °C. )
Melting Point-96 °C. @ 760 mm Hg
Acid Value5 max. KOH/g
Shelf Life12 months if stored properly
Soluble inAlcohol
Fixed oils
Paraffin oil
Water, 13.8 mg/L @ 25 °C (exp)
Insoluble inWater
Propylene glycol


CategoryFlavor and fragrance agents
Critical EffectDermal sensitization

Safety Information

PictogramsGHS07: HarmfulGHS09: Environmental HazardGHS08: Health Hazard
Hazard StatementH226 - Flammable liquid and vapour
H304 - May be fatal if swallowed and enters airways
H315 - Causes skin irritation
H317 - May cause an allergic skin reaction
H400 - Very toxic to aquatic life
H410 - Very toxic to aquatic life with long-lasting effects
Europe Standard HazardN - Dangerous for the environment
Xi - Irritant
Precautionary StatementP210 - Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking
P233 - Keep container tightly closed
P240 - Ground/bond container and receiving equipment
P241 - Use explosion-proof electrical/ventilating/lighting/…/equipment
P242 - Use only non-sparking tools
P243 - Take precautionary measures against static discharge
P261 - 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
P273 - Avoid release to the environment
P280 - Wear protective gloves/protective clothing/eye protection/face protection
P301 + 310 - IF SWALLOWED: Immediately call a POISON CENTER/doctor/…
P303 + 361 + 353 - IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower
P331 - Do NOT induce vomiting
P333 + 313 - If skin irritation or a rash occurs: Get medical advice/attention
P362 - Take off contaminated clothing
P370 + 378 - In case of fire: Use … to extinguish
P391 - Collect spillage
P403 + 235 - Store in a well ventilated place. Keep cool
P405 - Store locked up
P501 - Dispose of contents/container in accordance with local/regional/national/international regulations.
R-phrasesR10 - Flammable
R36/38 - Irritating to eyes and skin
R43 - May cause sensitisation by skin contact
R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
R65 - Harmful: may cause lung damage if swallowed
S-phrasesS16 - Keep away from sources of ignition - No smoking
S2 - Keep out of the reach of children
S24/25 - Avoid contact with skin and eyes
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36 - Wear suitable protective clothing
S61 - Avoid release to the environment. Refer to special instructions/safety data sheet


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