benzaldehyde

[ ben-zal-duh-hahyd ]

Phonetic (Standard)IPA

noun

, Chemistry.

a colorless or yellowish, water-soluble, volatile oil, C 7 H 6 O, having a bitter, almondlike odor, used chiefly in the organic synthesis of dyes, perfumes, and flavors, and as a solvent; artificial oil of bitter almond.

benzaldehyde

/ bɛnˈzældɪˌhaɪd /

a yellowish fragrant volatile oil occurring in almond kernels and used in the manufacture of dyes, perfumes, and flavourings and as a solvent for oils and resins. Formula: C 6 H 5 CHO Systematic namebenzenecarbaldehyde

benzaldehyde

/ bĕn-zăl′də-hīd′ /

A colorless aromatic oil that smells like almonds. It is obtained naturally from certain nuts and plant leaves, or made synthetically. It is used in perfumes and as a solvent and flavoring. Chemical formula: C 7 H 6 O.

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From German, dating back to 1865–70; benz-, aldehyde

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Emulsine has the property of being able to hydrolyse the glucoside amygdalin to glucose, benzaldehyde, and hydrocyanic acid.

It crystallizes from water in large rhombic crystals, which melt at 118 C. Oxidizing agents convert it into benzaldehyde.

When completely hydrolyzed, it yields two molecules of glucose and one each of benzaldehyde and hydrocyanic acid.

The natural oil may frequently be differentiated from artificial benzaldehyde by the presence of chlorine in the latter.

Chlorine and nitric acid oxidize it to benzil; chromic acid mixture and potassium permanganate, to benzoic acid and benzaldehyde.

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