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93-53-8CC(C=O)c1ccccc1IQVAERDLDAZARL-UHFFFAOYSA-N2-phenylpropanal is a member of the class of phenylacetaldehydes that is phenylacetaldehyde in which a hydrogen alpha to the aldehyde carbonyl group has been replaced by a methyl group. The major species at pH 7.3.
93-53-8DTXSID0052629CHEMBL3730701CHEBI:149463Soluble in most fixed oils; Slightly soluble in propylene glycol; Insoluble in glycerin
Soluble (in ethanol)
92.00 to 94.00 °C. @ 12.00 mm Hg
202-205 °C
Liquid; [Alfa Aesar MSDS]
Colourless to pale yellow liquid; Intense, green, floral aroma reminiscent of hyacinth
안전 정보는 참고용이며, 공급업체의 물질안전보건자료(SDS), 관련 법규 및 전문가 평가를 대체하지 않습니다.
Warning
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
P203, P261, P264, P264+P265, P272, P280, P302+P352, P305+P351+P338, P318, P321, P332+P317, P333+P317, P337+P317, P362+P364, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 1680 reports by companies from 15 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Chemical: Benzeneacetaldehyde, .alpha.-methyl-
Regulation (EC) No 1831/2003 (amended)
REACH registered substance: Hydratropaldehyde (EC: 202-255-5)
2-Phenylpropionaldehyde: Does not have an individual approval but may be used under an appropriate group standard
Decreased sperm counts in 14-day oral study of male rats at 75 and 250 mg/kg/day; [EPA - TSCATS] Causes coma in oral lethal-dose studies of rats; [RTECS] Safe when used as a flavoring agent in food; [JECFA] A skin and strong eye irritant; [Alfa Aesar MSDS]
2-Phenylpropionaldehyde
Benzeneacetaldehyde, α-methyl-; Hydratropaldehyde; α-Methylphenylacetaldehyde; α-Methyltolualdehyde; 2-Phenylpropanal; α-Phenylpropionaldehyde; (R)-2-Phenylpropionaldehyde; (S)-2-Phenylpropionaldehyde; Hydratropic aldehyde (commercial name)
IFRA_STD_075.pdf
49
IFRA 51st Amendment - Guidance for the use of IFRA Standards
Restriction: This material should be used only in the limited quantity as stated in the Standard
Fragrance Ingredients
Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
Flavoring Agents -> JECFA Flavorings Index
Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
0.029 [Products applied to the lips]
0.0087 [Products applied to the axillae]
0.096 [Products applied to the face/body using fingertips]
0.16 [Products related to fine fragrances]
0.041 [Products applied to the body using the hands (palms), primarily leave-on (Body lotion)]
0.041 [Products applied to the face using the hands (palms), primarily leave-on (Face moisturizer)]
출처Reported found in microbially fermented tea and some varieties of mushrooms.
불러오는 중…
2-PHENYLPROPIONALDEHYDE identified in dried mushroom, is a colorless liquid with a green hyacinth odor. Hydratropaldehyde can be hydrogenated to hydratropic alcohol, which is also used to a limited extent by reaction of p-ethylbenzyl chloride and isobutyric aldehyde in the presence of catalysts. The product is used in perfumes for, for example, household products.
용도2-Phenylpropionaldehyde is a precursor in the synthesis of N,N,β-Trimethyl-phenethylamine Hydrochloride (T796625).
일반 설명2-Phenylpropionaldehyde is used in perfumes for its green hyacinth odor.
By alkaline condensation of acetophenone and ethyl chloroacetate; also by distillation of methylphenyl ethylene glycol in 91% yields (under atmospheric pressure).
생산 방법The most important synthetic route to 2-phenylpropionaldehyde is the rhodiumcatalyzed hydroformylation of styrene. The catalyst [HCo(CO)4] is unsuitable in this process because it favors the hydrogenation of styrene. The use of chiral rhodium complexes leads to the formation of optically active aldehydes when prochiral olefins, such as styrene, are used. Asymmetric hydroformylation, however, has so far found only small industrial application because of insufficient purity of the enantiomers. Other synthetic methods are the gas-phase oxidation of a-methylstyrene on Cu, Bi–Mo– P–SiO2, or Pd salt catalysts, the rearrangement of epoxidized a-methylstyrene, and the dehydrogenation of 2-phenyl-1-propanol on Ag catalysts at reaction temperatures of ca. 600 ℃.