| Identification | More | [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 Properties | Back 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 | [Major Application]
flavors and fragrances | [Cosmetics Ingredients Functions]
PERFUMING | [InChI]
1S/C12H22O2/c1-10(2)7-6-8-11(3)9-12(13-4)14-5/h7,9,12H,6,8H2,1-5H3/b11-9+ | [InChIKey]
ZSKAJFSSXURRGL-PKNBQFBNSA-N | [SMILES]
COC(OC)\C=C(/C)CC\C=C(\C)C | [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 Data | Back 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 | [TSCA ]
TSCA listed | [HS Code ]
2911.00.5000 | [Storage Class]
10 - Combustible liquids | [Toxicity]
Both the oral LD50 value in rats and the dermal LD50 value in rabbits exceeded 5 g/kg (Hart, 1971). |
| Hazard Information | Back 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. |
|
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