Flavors & Fragrances
REACH
Decanal dimethyl acetal
CAS Number
7779-41-1
EC Number
231-928-6
FEMA Number
FEMA 2363
What is Decanal dimethyl acetal?
Decanal dimethyl acetal (CAS 7779-41-1), also known as 1,1-Dimethoxydecane and Decylaldehyde DMA, is a fragrance and flavoring ingredient for personal care and food applications.
Where is Decanal dimethyl acetal used?
- Fragrance formulation: improved stability over free decanal
- Soaps, detergents and rinse-off personal care: stability in alkaline or reactive bases
- Fine and functional fragrance bases: cleaner, less volatile aldehyde profile
- Leave-on cosmetics: slower hydrolysis supports longer-lasting scent
- Food and beverage: FEMA 2363-approved flavoring agent imparting fresh, fatty citrus notes in citrus compositions, dairy products and beverages
Good to know: Functions as a protected aldehyde delivery form, releasing decanal's waxy, citrus-peel character under controlled conditions.
Commercial specifications
- Packaging from small samples to drum-scale supply
Other Names (Synonyms)
1,1-Dimethoxydecane|Decane, 1,1-dimethoxy-|Decylaldehyde DMA|Decylaldehyde dimethyl acetal|Capraldehyde dimethyl acetal|Aldehyde C-10 dimethylacetal|10,10-Dimethoxydecane
What are the physical properties of Decanal dimethyl acetal?
Boiling Point 218 °C(lit.)
Density 0.83 g/mL at 25 °C(lit.)
Flash Point 199 °F
Color Colourless
Odor at 10.00 % in dipropylene glycol. waxy herbal citrus green neroli
Form Oil
Refractive Index n 20/D 1.424(lit.)
Log P 4.33
How is Decanal dimethyl acetal classified and handled safely? Learn More
Warning
GHS07· Irritant GHS09· Environmental Hazard
Which trade and regulatory codes apply to Decanal dimethyl acetal?
UN Number 3082
Packing Group III
WGK (Germany) 2