| Identification | Back Directory | [Name]
FEMA 2877 | [CAS]
29895-73-6 | [Synonyms]
ACETAL CD
FEMA 2877
hyacinth acetals
M-DIOXAN-5-OL, 2-BENZYL
PHENYLACETALDEHYDE GLYCERYL ACETAL
PHENYL ACETALDEHYDE GLYCERINE ACETAL
1,1-Bis-(2,3-dihydroxypropyl)-2-phenylethane
benzeneacetaldehyde, cyclic acetal with glycerol
Benzeneacetaldehyde,cyclicacetalwith1,2,3-propanetriol | [EINECS(EC#)]
249-934-2 | [Molecular Formula]
C11H14O3 | [MOL File]
29895-73-6.mol | [Molecular Weight]
194.23 |
| Hazard Information | Back Directory | [Chemical Properties]
2-Benzyl-1,3-dioxolan-4-methanol is not found in nature. It is a colorless, slightly viscous liquid,
d204 1.154–1.162, n20D 1.529–1.534, with a tenacious honey, cyclamen, and rose
note. It is prepared by acetalization of phenylacetaldehyde with glycerine. | [Chemical Properties]
Phenylacetaldehyde glyceryl acetal has a faint, sweet, rosy odor and a sweet green flavor. | [Occurrence]
Has apparently not been reported to occur in nature. | [Uses]
2-Benzyl-5-hydroxymethyl-1,3-dioxolane has very pleasant effects when
used in sufficiently high concentration in
Rose, Chypre, Hyacinth, Lilac, etc. as an
“undertone” material. It is excellent for
“forest “-green undertones in Muguet, or for
the deep-green leafy notes of Lilac, but it
needs supporting notes, and it is not a powerful odorant. It is also used in flavor
compositions as a fixative in certain fruit types,
and in “floral” flavor types as a bouquetting
material in traces. The concentration used is
about 5 to 20 ppm in the finished product. | [Definition]
ChEBI: 2-Benzyl-5-hydroxymethyl-1,3-dioxolane is a member of benzenes. | [Preparation]
From phenylacetaldehyde and glycerol. | [Toxicity evaluation]
The acute oral LD50 value in rats was reported as 1.72 ml/kg (1.57-1.87 ml/kg) and the acute dermal LD50 value in rabbits exceeded 2 g/kg (Moreno, 1972). The ip LD50 for mice was found to be 2.7 ± 0.23 mmol/kg (523.8 ± 44.62 mg/kg) and the mean paralysing dose (ED50) for ip administration to mice was found to be 0.77 + 0.07 mmol/kg (Berger, 1951). | [Flammability and Explosibility]
Nonflammable | [Trade name]
Acetal CD (Givaudan). | [Metabolism]
Acetals hydrolyse readily in the presence of acids to generate the corresponding aldehydes and alcohols (Fassett, 1963). |
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