Methyl Pampelmousse Aroma Molecule
Methyl Pamplemousse is useful because it captures the recognisable brightness of grapefruit while giving more persistence than many natural citrus oils. Its scent is fresh, dry, zesty, and slightly bitter, with a clean peel-like quality that works well in modern colognes, marine blends, fresh woods, and clean musks. It is especially helpful when a formula needs citrus freshness that does not disappear too quickly. Used well, it adds energy, clarity, and a sharp grapefruit signature without becoming overly juicy or sweet.
- Main impression: Fresh grapefruit peel
- Supporting facets: Citrus zest, bitter peel, green wood, clean freshness
- Drydown character: Dry, crisp, fresh, lightly woody
- Used for: Grapefruit effects, citrus lift, fresh masculines, clean colognes, bitter citrus contrast
Please note
This is a single aroma molecule / raw perfumery material, not a finished perfume or fragrance oil. It is intended for formulation work and must not be applied directly to the skin undiluted. Aroma molecules are powerful materials that may behave differently depending on dosage, solvent system, wax, diffuser base, cosmetic base, temperature, and the full composition. Always test in your intended application before production.
Full safety, allergen, IFRA, and technical information is provided in the SDS, IFRA Certificate, and Allergen Declaration available in the “Related Documents” tab. Compliance and documentation of the final product remains the responsibility of the manufacturer.
Packaging note: 10g sizes are supplied in PET bottles for affordable small-quantity access. Production sizes from 50g upwards are supplied in premium aluminium bottles for improved long-term protection. Read more
Olfactive Profile
- Primary character: Fresh grapefruit peel with dry citrus bitterness.
- Secondary nuances: Zesty citrus, green peel, light woody freshness, bitter rind, and clean cologne brightness.
- Texture: Crisp, dry, bright, and slightly bitter rather than sweet, juicy, or creamy.
- Diffusion: Good in the top and early heart, especially in fresh citrus and clean compositions.
- Tenacity: Better than many natural citrus top notes, with a noticeable grapefruit freshness that can carry into the heart.
- Comparison anchor: More grapefruit-focused than Dihydromyrcenol, less floral than Floralozone, and drier than sweet orange or mandarin materials.
Methyl Pamplemousse Aroma Molecule smells like fresh grapefruit peel rather than grapefruit juice. It has a clean bitter-citrus edge with a dry green-woody nuance that makes it feel modern and sharp. It does not create a full citrus accord by itself, but it gives the grapefruit signature that can make fresh formulas feel more energetic and contemporary. Its best use is as a bright citrus accent with more staying power than a simple natural citrus opening.
Formulation & Creative Uses
What It Adds to Your Formula
- Grapefruit identity: Creates a clear fresh grapefruit peel effect.
- Citrus lift: Brightens colognes, fresh woods, musks, aquatics, and green accords.
- Bitterness: Adds dry peel contrast and prevents citrus blends from feeling too sweet.
- Modern freshness: Gives formulas a crisp contemporary citrus profile.
- Stability support: Helps maintain a grapefruit impression beyond volatile citrus oils.
- Clean energy: Works well in sporty, shower-gel, spa, and fresh home fragrance directions.
What It Does Not Do
- It does not replace natural grapefruit oil completely: It gives the key grapefruit peel effect, not the full natural oil complexity.
- It does not add sweetness: It is dry, bitter, and fresh rather than fruity-sweet.
- It does not create a full cologne accord alone: It needs citrus oils, herbs, musks, woods, or aromatics for structure.
- It is not a soft base material: Its main value is lift, freshness, and citrus identity.
Creative Uses
Methyl Pamplemousse is excellent for grapefruit accords, modern colognes, citrus musks, fresh woods, aquatic compositions, clean masculine blends, spa fragrances, and crisp home fragrance profiles. It can sharpen bergamot, brighten marine notes, add bitterness to fruity accords, and give musks a more energetic citrus opening. In home fragrance, it works well in fresh linen, spa, citrus-clean, bathroom, hotel, and sporty fresh directions.
Creative Inspiration
Use Methyl Pamplemousse Aroma Molecule with Bergamot Essential Oil and Dihydromyrcenol for a crisp modern cologne structure. Pair it with Floralozone or Helional for a grapefruit-aquatic direction. Combine it with Galaxolide 50 DPG for a clean citrus-laundry musk. Use it with Iso E Super or Ambroxan to create a dry grapefruit-wood base with modern freshness.
Common Applications
- Fine fragrance: Useful in grapefruit accords, citrus colognes, fresh musks, aquatics, modern masculines, and clean woody compositions.
- Candles & wax melts: Suitable where the final formula allows; especially useful for grapefruit, spa, fresh linen, citrus-clean, and fresh woody candle profiles.
- Reed diffusers: Adds crisp grapefruit lift and citrus freshness, subject to base compatibility.
- Room sprays: Useful for citrus-clean, bathroom, spa, fresh air, and energising home fragrance profiles.
- Soaps & rinse-off products: Can support shower-gel, citrus, fresh masculine, clean, and sporty profiles.
- Cosmetic fragrance bases: Suitable where permitted by IFRA and final product safety assessment.
Usage, Dose & Performance
- Suggested starting dose: 0.2–2% of the fragrance concentrate for early trials.
- Trace use: Adds subtle grapefruit peel brightness and bitter citrus sparkle.
- Moderate use: Creates a clear grapefruit signature in the opening and heart.
- High use: Can become very dry, bitter, and strongly grapefruit-like.
- Diffusion: Good, especially in fresh top-note structures.
- Tenacity: Better than many natural citrus oils, but still mainly a freshness and heart-support material.
- Blending behavior: Works well with citrus oils, clean musks, marine materials, green notes, aromatics, light woods, aldehydic materials, and fresh florals.
- Overdose risk: Can make a formula feel too bitter, dry, sharp, or synthetic if not softened with musks, florals, woods, or sweeter citrus materials.
Pairing Suggestions
Pairs well with aroma molecules
- Dihydromyrcenol: Builds sharp cologne freshness and sporty citrus energy.
- Floralozone: Adds airy aldehydic freshness and clean floral lift.
- Helional: Creates a grapefruit-marine direction with watery floral brightness.
- Galaxolide 50 DPG: Adds clean musk softness for laundry and shower-gel styles.
- Hedione MDJ: Softens the citrus with transparent floral diffusion.
- Iso E Super: Adds dry woody volume and modern citrus-wood structure.
Pairs well with essential oils
- Grapefruit Essential Oil: Reinforces natural grapefruit peel and juicy citrus realism.
- Bergamot Essential Oil: Adds elegant citrus lift and cologne brightness.
- Lime Essential Oil: Sharpens the opening with zesty green freshness.
- Petitgrain Essential Oil: Adds bitter-green citrus tension and botanical depth.
- Juniper Berry Essential Oil: Gives cool gin-like freshness and masculine clarity.
- Basil Essential Oil: Adds aromatic green contrast and a modern herbal edge.
Pairs well with base accords
- Bergamot Accord: Builds a bright citrus-cologne opening.
- White Musk Accord: Creates a clean grapefruit-musk drydown.
- Tea Green Accord: Adds botanical freshness and bitter-green contrast.
- Neroli Accord: Gives a refined citrus-white-floral direction.
- Vetyveryle Acetate Accord: Adds dry elegant woody freshness.
- Sandal Accord: Softens the citrus brightness with creamy woody warmth.
Technical Data & IFRA Limits
- Commercial name: Methyl Pamplemousse
- Synonyms: Grapefruit Methyl, Dimethyl-4-isoheptenal dimethyl acetal
- INCI name: Dimethyl-4-isoheptenal dimethyl acetal
- IUPAC name: 6,6-dimethoxy-2,5,5-trimethylhex-2-ene
- CAS number: 67674-46-8
- EC number: 266-885-2
- Chemical class: Citrus acetal
- Material form: Liquid
- Flash point: >73°C
- Solubility: Soluble in alcohol; insoluble in water
- Allergen declaration: No listed EU fragrance allergens declared.
- Stabiliser: Alpha-tocopherol 0.05%
IFRA 51st Amendment Limits
- Fine fragrance: < 100%
- Body creams, oils and lotions: < 100%
- Soap and rinse-off products: < 100%
- Reed diffusers: < 100%
- Room sprays: < 100%
- Candles: < 100%
No IFRA restriction is listed for this material under the supplied 51st Amendment certificate. IFRA percentages are maximum permitted levels, not recommended usage levels. The final product manufacturer is responsible for checking the correct IFRA category, calculating the final concentration, and confirming suitability in the intended application.
Stability & Handling
Methyl Pamplemousse should be stored tightly sealed in its original container, in a cool place at 10°C maximum, away from prolonged exposure to light, heat, and air. It is supplied as a colourless to pale yellow liquid, so no pre-warming or pre-dilution is normally required before use. The SDS notes that it should be kept away from strong oxidising agents, strong acids, and strong alkalis. Its discoloration potential is considered low: the material is pale and not known as a strong discoloring ingredient, though citrus-type materials can lose freshness or shift in odour with heat, air exposure, and poor storage. Testing is recommended in white waxes, clear bases, pale soaps, and pastel formulations.
Safety & Testing
Methyl Pamplemousse Aroma Molecule is a raw fragrance material for formulation use. It is not a finished perfume and must not be applied directly to the skin undiluted.
Always review the SDS, IFRA Certificate, Cosmetics Declaration, and Technical Data Sheet before use. This material is classified as a skin irritant and harmful to aquatic life with long-lasting effects, so handling, dosage, disposal, and final product classification must be checked carefully before production. Test the material in the intended base, as performance may vary depending on dosage, solvent system, wax type, diffuser base, surfactant system, pH, processing temperature, and packaging.
Final product safety, labelling, IFRA compliance, CLP classification, allergen declaration, cosmetic assessment, and market compliance remain the responsibility of the final product manufacturer.
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