57345-19-4

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57345-19-4 Structure

Identification	Back Directory
[Name] dodecahydro-3,8,8,11a-tetramethyl-5H-3,5a-epoxynaphth[2,1-c]oxepin
[CAS] 57345-19-4
[Synonyms] amber oxepin AMBER KETAL IPM Einecs 260-686-4 KETAMBER 10 P. IN APV dodecahydro-3,8,8,11a-tetramethyl-5H-3,5a-epoxynaphth[2,1-c]oxepin 5H-3,5a-Epoxynaphth[2,1-c]oxepin, dodecahydro-3,8,8,11a-tetramethyl- 5,5,9,13-Tetramethyl-14,16-dioxatetracyclo[11.2.1.01,10.04,9]hexadecane 5,5,9,13-Tetramethyl-14,16-dioxatetracyclo[11.2.1.0^1,10.0^4,9]hexadecane 1,2,3,6,7,7a,8,9,10,11,11a,11b-Dodecahydro-3,8,8,11a-tetramethyl-5H-3,5a-epoxynaphth[2,1-c]oxepin
[EINECS(EC#)] 260-686-4
[Molecular Formula] C18H30O2
[MOL File] 57345-19-4.mol
[Molecular Weight] 278.43

Chemical Properties	Back Directory
[Boiling point ] 300.9±10.0 °C(Predicted)
[density ] 1.05±0.1 g/cm3(Predicted)
[vapor pressure ] 0.001Pa at 20℃
[form ] Solid:bulk
[Odor] at 10.00 % in dipropylene glycol. dry amber powdery woody musk
[Odor Type] amber
[Cosmetics Ingredients Functions] PERFUMING
[LogP] 5.9 at 30℃ and pH7
[EPA Substance Registry System] 5H-3,5a-Epoxynaphth[2,1-c]oxepin, dodecahydro-3,8,8,11a-tetramethyl- (57345-19-4)

Safety Data	Back Directory
[Symbol(GHS) ] GHS07
[Signal word ] Warning
[Hazard statements ] H413-H315
[Precautionary statements ] P264-P280-P302+P352-P321-P332+P313-P362
[TSCA ] TSCA listed

Hazard Information	Back Directory
[Chemical Properties] Dodecahydro-3,8,8,11a-tetramethyl-5H-3,5a-epoxynaphth[2,1-c]oxepin is a colorless to pale yellow liquid. It possesses a powerful amber note with good stability in nonaggressive media.
[Preparation] The synthesis starts from the natural raw material manool, which is obtained by extraction from a tree growing in New Zealand, the so-called pink pine, Halocarpus biformis (Hooker) C.J. Quinn. Epoxidation of manool, subsequent oxidative degradation of the allylalcohol side chain to yield a ketone, and intramolecular acetalization afford the ketal.
[Trade name] Ambermore Ketal (Aromor), Amberketal (Givaudan), Z11 (Firmenich).

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