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Flavouring	Acetaldehyde diisoamyl acetal
Synonym(s)	1,1-Di-isopentyloxyethane 3-Methyl-1-[1-(3-methyl-butoxy)-ethoxy]-butane
Latest JECFA evaluation	2007 (Session 68)
Status of specification	Full
Chemical name	1,1-Di(3-methylbutoxy)ethane
JECFA number	1729
CAS number	13002-09-0
FEMA number	4024
COE number	-
FLAVIS number	06.055
Molecular weight	202.34
Chemical formula	C₁₂H₂₆O₂
Physical form/odour	Clear, colourless liquid; Strong, sweet, fruity aroma
Solubility	Soluble in non-polar solvents; insoluble in water
Solubility in ethanol	Soluble
Boiling point (°C)	70° (2.5 mm Hg)
Assay min %	95%
Acid value max	1
Refractive index	1.410-1.420
Specific gravity	0.822-0.832
Other requirements	-
ID Test	CNMR HNMR IR MS
Spectrum	http://www.fao.org/ag/agn/jecfa-flav/img/jecfa68/1729-cnmr.gif http://www.fao.org/ag/agn/jecfa-flav/img/jecfa68/1729-hnmr.gif http://www.fao.org/ag/agn/jecfa-flav/img/jecfa68/1729-ir.gif http://www.fao.org/ag/agn/jecfa-flav/img/jecfa68/1729-ms.gif

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