Piperonal

Synonyms

1,3-Benzodioxole-5-carboxaldehyde; 3,4-Bis(methylenedioxy)benzaldehyde; 3,4-Dihydroxybenzaldehyde methylene ketal; 3,4-Dimethylenedioxybenzaldehyde; 3,4-Methylene-dihydroxybenzaldehyde; 3,4-Methylenedioxybenzaldehyde; 5-Formyl-1,3-benzodioxole; Benzaldehyde, 3,4-(methylenedioxy)-; Dioxymethylene protocatechuic aldehyde; Dioxymethylene-protocatechuic aldehyde; Geliotropin; Heliotropin; Heliotropin (natural); Heliotropine; Piperonaldehyde; Piperonyl aldehyde; Piperonylaldehyde; Protocatechuic aldehyde methylene ether; [ChemIDplus]

Category

Plant Oils and Extracts

Description

Colorless lustrous solid; mp = 37 deg C; [Merck Index] White shining solid with a floral odor; Darkens to red-brown on light exposure; mp = 35.5-37 deg C; [Hawley] Colorless solid; mp = 36 deg C; [MSDSonline]

Sources/Uses

Found in various essential oils; Used in fragrances, flavoring agents, and suntan preparations; Also used as a mosquito repellent, laboratory reagent, organic intermediate, and synergist for pyrethrum and rotenone; [HSDB]

Comments

A skin irritant; May cause CNS depression; Emergency treatment: Irritants; [HSDB] An irritant; May cause CNS depression; [CAMEO] Safe when used as a flavoring agent in food; [JECFA] Caused hepatocellular necrosis in rats receiving intermittent doses for 6 weeks at >2100 mg/kg; [RTECS]

Biomedical References

0.01 mm Hg

Other CNS neurotoxin

Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion

Processes

Industrial Processes with risk of exposure:

• Farming (Pesticides)