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ChemicalBook--->CAS DataBase List--->7549-37-3

7549-37-3

7549-37-3 Structure

7549-37-3 Structure
IdentificationMore
[Name]

1,1-Dimethoxy-3,7-dimethylocta-2,6-diene
[CAS]

7549-37-3
[Synonyms]

1,1-DIMETHOXY-3,7-DIMETHYL-2,6-OCTADIENE
2,6-DIMETHYL-2,6-OCTADIEN-8-ALIMETHYL ACETAL
3,7-DIMETHYL-2,6-OCTADIENAL DIMETHYL ACETAL
CITRAL DIMETHYL ACETAL
FEMA 2305
1,1-dimethoxy-3,7-dimethyl-6-octadiene
6-octadiene,1,1-dimethoxy-3,7-dimethyl-(cisandtrans)
6-Octadiene,1,1-dimethoxy-3,7-dimethyl-2
citraldimethylacetal,mixtureofcisandt
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
[EINECS(EC#)]

231-434-0
[Molecular Formula]

C12H22O2
[MDL Number]

MFCD00008909
[Molecular Weight]

198.3
[MOL File]

7549-37-3.mol
Chemical PropertiesBack Directory
[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)
[FEMA ]

2305
[refractive index ]

n20/D 1.454(lit.)
[Fp ]

180 °F
[form ]

clear liquid
[color ]

Colorless to Almost colorless
[Odor]

at 100.00 %. green floral citric lemon lime natural
[biological source]

synthetic
[Odor Type]

citrus
[Water Solubility ]

Almost insoluble in water
[JECFA Number]

944
[LogP]

3.76
[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]

7549-37-3(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R43:May cause sensitization by skin contact.
[Safety Statements ]

S36/37:Wear suitable protective clothing and gloves .
[WGK Germany ]

2
[RTECS ]

RG5330000
[Hazard Note ]

Irritant
[HS Code ]

2911.00.5000
[Toxicity]

Both the oral LD50 value in rats and the dermal LD50 value in rabbits exceeded 5 g/kg (Hart, 1971).
Hazard InformationBack Directory
[Description]

Citral dimethyl acetal is a colorless liquid. Sp.Gr. 0.89. B.P. slightly lower than that of Citral. Almost insoluble in water, soluble in alcohol and oils.
[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.
[Uses]

Citral dimethyl acetal is used in perfume compositions partly as a mild-green topnote in soap fragrances, and also as a topnote modifier in delicate floral fragrances, green-citrusy types, fresh notes, etc. Used in flavor compositions mainly in Citrus types and generally in fruit flavors to introduce a natural freshness similar to that of unripe fruit or green Lemon peel, Apple peel, etc.
[Definition]

ChEBI: A monoterpenoid that is the acetal obtained by formal condensation of citral with methanol.
[Preparation]

From citral and methyl alcohol in the presence of a catalyst, or by reacting citral with trimethyl orthoformate.
[Taste threshold values]

Taste characteristics at 10 ppm: green, citrus, lemon, grapefruit, lime with woody and terpy nuance.
Spectrum DetailBack Directory
[Spectrum Detail]

1,1-Dimethoxy-3,7-dimethylocta-2,6-diene(7549-37-3)1HNMR
1,1-Dimethoxy-3,7-dimethylocta-2,6-diene(7549-37-3)Raman
1,1-Dimethoxy-3,7-dimethylocta-2,6-diene(7549-37-3)IR
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

7549-37-3(sigmaaldrich)
[TCI AMERICA]

Citral Dimethyl Acetal,>80.0%(GC)(7549-37-3)
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