3-methyl-4-(2-methyl butyl oxy) butyraldehyde

3-methyl-4-(2-methyl butyl oxy) butyraldehyde is a synthetic aroma chemical belonging to the aldehyde class, featuring a molecular structure with an ether linkage connected to a butyraldehyde moiety. This compound is characterized by its citrus, floral citronellal, and green odor notes at full concentration. Common synonyms include 3-methyl-4-(2-methyl-butyloxy)-butyraldehyde and 3-methyl-4-(2-methylbutyloxy)butyraldehyde. The compound is referenced in controlled-vocabulary chemical databases such as PubChem. It is typically synthesized for use in fragrance compositions rather than derived from natural sources. Its sensory profile supports its incorporation in perfumery, delivering fresh and green nuances.

3-methyl-4-(2-methyl butyl oxy) butyraldehyde does not naturally occur in biological systems but is crafted for specialty applications, principally as a fragrance agent. Its distinct citrus and floral notes contribute to creating complex aromatic profiles in perfumes and scented consumer products. The compound’s use aligns with the IFRA Code of Practice (Global), which provides guidelines governing fragrance ingredient safety and appropriate usage levels. According to IFRA, this compound is recommended exclusively for fragrance use and is not approved for flavor applications. It is employed to impart freshness and brightness in fragrance formulations, enhancing the sensory experience.

This aldehydic ether displays physical and chemical characteristics consistent with volatile aromatic substances used in fragrances. Its volatility facilitates rapid olfactory perception, delivering citrus and green sensory notes effectively. The presence of both aldehyde and ether functional groups influences its reactivity and stability, affecting formulation compatibility and shelf life. These properties dictate cautious handling and storage conditions to preserve aromatic integrity. Its interaction with solvents and excipients in perfume matrices is critical for maintaining the desired scent profile without degradation or off-notes. Understanding these parameters assists in optimizing usage concentrations and formulation stability.

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Safety information

Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Pictogram
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined

Safety in use information

Category:
fragrance agents
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice
Recommendation for 3-methyl-4-(2-methyl butyl oxy) butyraldehyde flavor usage levels up to:
	not for flavor use.

Safety references

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