Description

2,4,8-Trimethyl-4,9-Decadienal is a high-value, unsaturated aliphatic aldehyde characterized by its unique terpenoid-like structure. This compound matters as a versatile and potent fragrance intermediate, prized for its ability to impart fresh, green, and citrusy olfactory notes in complex formulations. It is primarily needed by manufacturers in the flavors and fragrances (F&F), cosmetics, and specialty chemical industries seeking to create sophisticated aroma profiles.

Application

• Fragrance Ingredient: A key building block for creating fresh, green, and citrus top notes in fine perfumes, colognes, and personal care products.
• Flavor Modifier: Used in trace amounts to enhance or modify citrus and herbal flavor profiles in food and beverage applications.
• Cosmetic Additive: Incorporated into lotions, soaps, and shampoos to provide a stable and appealing scent character.
• Chemical Synthesis: Serves as a valuable chiral intermediate or starting material in the synthesis of more complex terpenoids and fine chemicals.
• Household Products: Used in air fresheners, detergents, and fabric softeners to deliver a clean, natural aroma.
• Aromatherapy & Candles: A component in essential oil blends and scented candles for its uplifting and natural green character.

Basic Information

Product Name	2,4,8-Trimethyl-4,9-Decadienal
CAS No.	72928-00-8
Molecular Formula	C₁₃H₂₂O
Molecular Weight	194.31 g/mol
Synonyms	4,9-Decadienal, 2,4,8-trimethyl-; (E)-2,4,8-Trimethyl-4,9-decadienal; 2,4,8-Trimethylnona-4,9-dienal; FEMA 4550; (4E,9E)-2,4,8-Trimethyl-4,9-decadienal; (E,E)-2,4,8-Trimethyl-4,9-decadienal; Trimethyl decadienal
EINECS	Contact for details

Quality Control

Our 2,4,8-Trimethyl-4,9-Decadienal is produced under strict quality management systems to ensure batch-to-batch consistency and purity. Quality is verified through advanced analytical techniques including GC, HPLC, and NMR spectroscopy. Certificates of Analysis (COA) detailing purity, isomer content, and other critical parameters are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures between 15-25°C (59-77°F). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term preservation. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 95.0%
Major Isomer Content (GC)	≥ 90.0%
Refractive Index (20°C)	1.465 - 1.475
Specific Gravity (20/20°C)	0.860 - 0.880

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.