| Identification | Back Directory | [Name]
TOLUALDEHYDES | [CAS]
1334-78-7 | [Synonyms]
tolyl
TOLUALDEHYDE
TOLUALDEHYDES
ar-Tolualdehyde
METHYLBENZALDEHYDE
tolualdehydes, mixture
TOLUALDEHYDES USP/EP/BP
TOLUALDEHYDES (MIXED O,M,P)
TOLUALDEHYDES(MIXEDORTHO,META,PARA) | [EINECS(EC#)]
215-615-1 | [Molecular Formula]
C7H6O | [MDL Number]
MFCD00212759 | [MOL File]
1334-78-7.mol | [Molecular Weight]
106.122 |
| Hazard Information | Back Directory | [Chemical Properties]
Colorless liquid. Slightly soluble inwater;
soluble in alcohol and ether. There are also oand
misomers. Combustible. | [Chemical Properties]
Tolualdehydes, mixed o-, m-, p-, have a sweet and herbaceous odor reminiscent of bitter almond. | [Occurrence]
Reported found in roasted nuts, tomato, cooked beef, beef fat, cider, coffee, tea and elderberry juice. | [Uses]
Perfumes, pharmaceutical and dyestuff intermediate,
flavoring agent. | [Preparation]
By oxidation of o-, m-, or p-xylene (chemical or electrolytical oxidation). | [Taste threshold values]
Taste characteristics at 15 ppm: cherry pit, coumarin, almond, sweet, with a slight powdery hay and vanillalike
nuance. | [Metabolism]
Aromatic aldehydes are oxidized in vivo almost entirely to the corresponding acid. Thus, in rabbits, p-tolualdehyde is converted to p-toluic acid which has been detected in the urine as the ester glucuronide (Williams, 1959). p-Tolualdehyde was oxidized to p-toluic acid by resting cells of Pseudomonas aeruginosa (Omori & Yamada, 1970). Perillaldehyde dehydrogenase, isolated from a soil pseudomonad, catalysed the oxidation of m- and p-tolualdehyde but not of o-tolualdehyde (Ballal, Bhattacharyya & Rangachari, 1967). The reduction of p-tolualdehyde by NADH was catalysed by horse-liver alcohol dehydrogenase (Blomquist, 1966) and by yeast alcohol dehydrogenase at pH 8.5-9.5 (Klinman, 1975). A non-specific NADPH-linked aldehyde reductase isolated from various areas of bovine brain also catalysed the reduction of p-tolualdehyde (Tabakoff & Erwin, 1970). |
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