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Methyl Pamplemousse (Givaudan)

Description

The vibrant, slightly bitter character of freshly zested grapefruit peel is the defining feature of this powerful aromatic. It possesses a remarkable diffusion, introducing a sparkling and enduring citrus top note. Beyond the initial burst, subtle green and woody facets emerge, lending a sophisticated, dry structure to its profile. A clean, almost soapy quality is balanced by a delicate hint of violet, adding a layer of complexity that elevates it beyond a simple citrus note. This unique olfactive signature makes Methyl Pamplemousse an indispensable tool for achieving a realistic and juicy citrus effect that is both bright and persistent.

In application, its true versatility shines as a key component in many modern colognes and fragrances. This acetal, known for its excellent stability, imparts a significant and lasting fruity freshness, seamlessly integrating into citrus, herbal, and fresh Fougère structures to add a natural juiciness. When paired with vetiver, it acts as an exceptional booster, amplifying the root's inherent grapefruit-like facets and lending a bright, lively dimension to the accord. Typically used from traces up to 2%, Grapefruit acetal can lift an entire composition, lending its distinctive sparkle and sophisticated bitterness from the top note well into the heart of a fragrance.

General Information

Alt NameGrapefruit acetal
CategoryAromatic Compound
IUPAC Name6,6-dimethoxy-2,5,5-trimethylhex-2-ene
CAS Number67674-46-8
Molecular Weight186.29 g/mol
Canonical SMILESCC(=CCC(C)(C)C(OC)OC)C

Organoleptic Properties

Odor Family
Citrus
Odor Strength
1
2
3
4
5
Odor DescriptionCitrus, Fresh, Grapefruit Peel, Green, Soapy, Violet, Woody
Usage Level10% in the fragrance concentrate
Substantivity2 hours at 100%

Physical Properties

AppearanceColorless to pale yellow clear liquid (est)
Specific Gravity0.865 to 0.885 @ 25 °C.
Pounds per Gallon7.198 to 7.364
Refractive Index1.43 to 1.45 @ 20 °C.
Vapor Pressure0.214 mmHg @ 25 °C. (est)
Vapor Density6.5 ( Air = 1 )
Boiling Point214 to 215 °C. @ 760 mm Hg
Flash Point181 °F. TCC ( 82.78 °C. )
XLogP3.2
Shelf Life12 months if stored properly
StorageStore in cool, dry place in tightly sealed containers, protected from heat and light.

IFRA

CategoryFragrance agents

Safety Information

PictogramsGHS07: Harmful
Hazard StatementH227 - Combustible liquid
H313 - May be harmful in contact with skin
H315 - Causes skin irritation
H319 - Causes serious eye irritation
H320 - Causes eye irritation
H402 - Harmful to aquatic life
H412 - Harmful to aquatic life with long-lasting effects
Precautionary StatementP210 - Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking
P264 - Wash … thoroughly after handling
P273 - Avoid release to the environment
P280 - Wear protective gloves/protective clothing/eye protection/face protection
P302 + P352 - IF ON SKIN: Wash with plenty of water/…
P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing
P312 - Call a POISON CENTER/ doctor/…/if you feel unwell
P332 + P313 - If skin irritation occurs: Get medical advice/attention
P337 + P313 - If eye irritation persists get medical advice/attention
P362 - Take off contaminated clothing
P370 + P378 - In case of fire: Use … to extinguish
P403 + P235 - Store in a well ventilated place. Keep cool
P501 - Dispose of contents/container in accordance with local/regional/national/international regulations.
R-phrasesR36/38 - Irritating to eyes and skin
S-phrasesS02 - 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
Europe Standard HazardXi - Irritant
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