1,1-Dimethoxyoctane
- CAS NO.：10022-28-3
- Empirical Formula: C10H22O2
- Molecular Weight: 174.28
- MDL number: MFCD00036644
- EINECS: 233-018-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-06-24 18:39:39
What is 1,1-Dimethoxyoctane?
Description
Octanal dimethyl acetal has a characteristic woody aroma reminiscent of cognac. May be synthesized by condensation of octaldehyde with methanol using dry HCL as a dehydrating agent.
Chemical properties
Octanal dimethyl acetal has a green, woody, citrusy odor reminiscent of cognac.
The Uses of 1,1-Dimethoxyoctane
1,1-Dimethoxyoctane is used in perfume compositions and flavor compositions for imitation Orange, Lemon, Melon, Coconut, in fruit complexes, Liqueur flavors, Cognac imitations, etc.
Preparation
By condensation of octaldehyde with methanol using dry HCl as a dehydrating agent.
Definition
ChEBI: 1,1-Dimethoxyoctane is an acetal.
Synthesis Reference(s)
Journal of the American Chemical Society, 93, p. 2080, 1971 DOI: 10.1021/ja00737a057
Flammability and Explosibility
Non flammable
Properties of 1,1-Dimethoxyoctane
| Boiling point: | 206-207 °C(lit.) |
| Density | 0.851 g/mL at 25 °C(lit.) |
| vapor pressure | 12.52Pa at 24℃ |
| FEMA | 2798 | OCTANAL DIMETHYL ACETAL |
| refractive index | n |
| Flash point: | 194 °F |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | Practically insoluble in water, soluble in alcohol and oils. |
| form | clear liquid |
| color | Colorless to Almost colorless |
| Specific Gravity | 0.86 |
| Odor | at 100.00 %. citrus floral green leafy rose violet |
| Water Solubility | 210.5mg/L at 24℃ |
| JECFA Number | 942 |
| CAS DataBase Reference | 10022-28-3(CAS DataBase Reference) |
| NIST Chemistry Reference | Octanal dimethyl acetal(10022-28-3) |
| EPA Substance Registry System | Octane, 1,1-dimethoxy- (10022-28-3) |
Safety information for 1,1-Dimethoxyoctane
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H227:Flammable liquids |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P280:Wear protective gloves/protective clothing/eye protection/face protection. P370+P378:In case of fire: Use … for extinction. P403+P235:Store in a well-ventilated place. Keep cool. |
Computed Descriptors for 1,1-Dimethoxyoctane
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