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: 2024-06-28 08:43:14

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	n20/D 1.416(lit.)
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.