Methyl Ionone Gamma A

from €7.80

Premium Synthetic Ingredient for Perfumery

Methyl Ionone Gamma A is a refined synthetic ingredient from the ionone family, valued for its floral-violet character and its creamy, powdery texture. Composed of a mixture of isomers, this material exhibits a velvet-like, orris-root tone with woody and fruity undertones. Methyl Ionone Gamma A serves as a backbone and modifier in perfumery, supporting floral, woody, and leathery notes, and is commonly used in concentrations of up to 25% in complex compositions. It is especially effective in formulations with ylang-ylang, vetiver, and salicylates.

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Premium Synthetic Ingredient for Perfumery

Methyl Ionone Gamma A is a refined synthetic ingredient from the ionone family, valued for its floral-violet character and its creamy, powdery texture. Composed of a mixture of isomers, this material exhibits a velvet-like, orris-root tone with woody and fruity undertones. Methyl Ionone Gamma A serves as a backbone and modifier in perfumery, supporting floral, woody, and leathery notes, and is commonly used in concentrations of up to 25% in complex compositions. It is especially effective in formulations with ylang-ylang, vetiver, and salicylates.

Premium Synthetic Ingredient for Perfumery

Methyl Ionone Gamma A is a refined synthetic ingredient from the ionone family, valued for its floral-violet character and its creamy, powdery texture. Composed of a mixture of isomers, this material exhibits a velvet-like, orris-root tone with woody and fruity undertones. Methyl Ionone Gamma A serves as a backbone and modifier in perfumery, supporting floral, woody, and leathery notes, and is commonly used in concentrations of up to 25% in complex compositions. It is especially effective in formulations with ylang-ylang, vetiver, and salicylates.

Synthetic Ingredient Overview

  • 🏭 Manufacturer: IFF

  • 🔎 Chemical Name: Methyl Ionone Gamma A (mixture of isomers)

  • 📂 CAS N°: 1335-46-2

  • 📘 FEMA:

  • ⚖️ MW: Varies (mixture of isomers)

  • 📝 Odor Type: Floral, Violet

  • 📈 Odor Strength: Medium

  • 👃🏼 Odor Profile: Floral, velvety, violet, orris, slightly woody and fruity; refined qualities show creamy top-note and powdery-sweet drydown

  • 👅 Flavor Profile: Floral, violet-orris, woody, dry fruity

  • ⚗️ Uses: Enhances floral, woody, and leathery notes; ideal in ylang-ylang, vetiver, and salicylate compositions

  • 🧴 Appearance: Colorless to pale yellow liquid

What is Methyl Ionone Gamma A?

Methyl Ionone Gamma A is part of the broader ionone family, derived from the degradation of carotenoids. Unlike its alpha and beta counterparts, the gamma isomer mixture offers a smoother, more uniform olfactory profile. It is especially sought after in luxury perfumery for its refined top-note, often described as creamy, and its long-lasting, powdery finish.

This material is a synthetic composition, composed of multiple structural isomers including alpha-isomethyl ionone, which contributes significantly to its violet-like signature. Due to its highly complex nature, precise analytical separation of these isomers is typically not performed at the commercial level.

Olfactory Profile & Perfumery Applications

The scent of Methyl Ionone Gamma A is described as:

  • Floral-violet: reminiscent of Parma violet or orris root

  • Creamy & powdery: top notes display a soft, smooth lift

  • Woody & dry-fruity: supporting base accords and modifiers

In perfumery, it functions primarily as a modifier and volume-enhancer for:

  • Ylang-Ylang florals: supporting and rounding the solar-floral spectrum

  • Woody vetiver accords: softening sharp green edges

  • Leathery/salicylate systems: adding warmth and a plush, cosmetic effect

It is used in fragrance categories such as:

  • Chypres and florientals

  • Cosmetic and powdery accords

  • Vintage floral-leather blends

Industrial & Technical Uses

While primarily a perfumery material, methyl ionone gamma derivatives are occasionally used in:

  • Personal care (shampoos, lotions) for long-lasting floral tonality

  • Flavorings, particularly in floral-candy-like compositions or as part of orris mimetics (though usage is minor)

Regulatory & Safety Overview

  • IFRA Guidelines: Not currently restricted under the IFRA 51st Amendment; however, individual isomers (e.g., alpha-isomethyl ionone) may be listed as allergens under EU Cosmetic Regulation (Annex III)

  • FEMA/Flavor Use: FEMA N° not attributed to this isomer blend for direct flavor use (check individual components)

  • Allergen Status: Alpha-isomethyl ionone is among the 26 declarable allergens per EU regulation — required if exceeding 0.001% in leave-on or 0.01% in rinse-off products [see List of 26 Fragrance Allergens]

  • Toxicological Status: Considered to have low acute toxicity; avoid in sensitization-prone compositions without appropriate dilution

Additional Information

  • Major Component: Alpha-isomethyl ionone (common in both Methyl Ionone Gamma A and as a separate IFRA-listed molecule)

  • Historical Relevance: A classic material in orris/violet reconstructions, dating back to early 20th-century floral accords

  • Appearance: Viscous pale liquid; miscible with alcohol and oils


Sources

  • Scentspiracy Internal Archive – Fulvio Ciccolo (2024)

  • S. Arctander – Perfume and Flavor Chemicals

  • BASF Technical Sheets – Ionone series

  • IFRA 51st Amendment

  • ECHA Substance Information – 1335-46-2

  • PubChem Database

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