Piperonal

Agent Name
Piperonal
CAS Number
120-57-0
Formula
C8-H6-O3
Major Category
Biological Agents
Piperonal formula graphical representation
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

Exposure Assessment

Vapor Pressure
0.01 mm Hg

Adverse Effects

Neurotoxin
Other CNS neurotoxin
Hepatotoxin
Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion

Diseases, Processes, and Activities Linked to This Agent

Processes

Industrial Processes with risk of exposure: