Product

1,1-Dimethoxy-3,7-dimethylocta-2,6-diene

CAS No.：7549-37-3

Other grades of this product :

1,1-Dimethoxy-3,7-dimethylocta-2,6-diene Basic information

Product Name:	1,1-Dimethoxy-3,7-dimethylocta-2,6-diene
Synonyms:	FEMA 2305;CITRAL DIMETHYL ACETAL;1,1-dimethoxy-3,7-dimethylocta-2,6-diene;CITRAL DIMETHYL ACETAL 95+%;CITRAL DIMETHYL ACETAL, 95%, MIXTURE OF CIS AND TRANS;2,6-Octadiene, 1,1-dimethoxy-3,7-dimethyl-;citral dimethyl acetal, mixture of cis and trans;1,1-Dimethoxy-3,7-dimethylocta-2,6-dien
CAS:	7549-37-3
MF:	C12H22O2
MW:	198.3
EINECS:	231-434-0
Product Categories:	Acyclic Monoterpenes;Biochemistry;Terpenes
Mol File:	7549-37-3.mol

1,1-Dimethoxy-3,7-dimethylocta-2,6-diene Chemical Properties

Boiling point	105-106 °C10 mm Hg(lit.)
density	0.89 g/mL at 25 °C(lit.)
vapor density	6.8 (vs air)
vapor pressure	9 mm Hg ( 102.7 °C)
refractive index	n20/D 1.454(lit.)
FEMA	2305 \| CITRAL DIMETHYL ACETAL
Fp	180 °F
form	clear liquid
color	Colorless to Almost colorless
JECFA Number	944
CAS DataBase Reference	7549-37-3(CAS DataBase Reference)
NIST Chemistry Reference	3,7-Dimethyl-2,6-octadienal, dimethyl acetal(7549-37-3)
EPA Substance Registry System	2,6-Octadiene, 1,1-dimethoxy-3,7-dimethyl- (7549-37-3)

Safety Information

Hazard Codes	Xi
Risk Statements	43
Safety Statements	36/37
WGK Germany	2
RTECS	RG5330000
Hazard Note	Irritant
toxicity	Both the oral LD₅₀ value in rats and the dermal LD₅₀ value in rabbits exceeded 5 g/kg (Hart, 1971).

MSDS Information

Provider	Language
SigmaAldrich	English

1,1-Dimethoxy-3,7-dimethylocta-2,6-diene Usage And Synthesis

Chemical Properties	Citral dimethyl acetal has a fresh, lemon-like odor. The commercial product consists of a mixture of cis- and trans-isomers.
Occurrence	Apparently has not been reported to occur in nature.
Preparation	From citral and methyl alcohol in the presence of a catalyst, or by reacting citral with trimethyl orthoformate.
Definition	ChEBI: A monoterpenoid that is the acetal obtained by formal condensation of citral with methanol.
Taste threshold values	Taste characteristics at 10 ppm: green, citrus, lemon, grapefruit, lime with woody and terpy nuance.

1,1-Dimethoxy-3,7-dimethylocta-2,6-diene Preparation Products And Raw materials

Raw materials

3,7-dimethylocta-2,6-dienal oxime-->Methanol-->Trimethoxymethane-->Tetramethyl orthosilicate-->Citral

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