Piperonal

Piperonal
Names
	Preferred IUPAC name 2H-1,3-Benzodioxole-5-carbaldehyde
	Other names Heliotropin; Heliotropine; Piperonyl aldehyde; Protocatechuic aldehyde methylene ether; 3,4-methylenedioxybenzaldehyde;
Identifiers
CAS Number	120-57-0 ;
3D model (JSmol)	Interactive image; Interactive image;
Beilstein Reference	131691
ChEBI	CHEBI:8240 ;
ChEMBL	ChEMBL271663 ;
ChemSpider	13859497 ;
ECHA InfoCard	100.004.009
EC Number	204-409-7;
Gmelin Reference	4186
KEGG	C10812;
PubChem CID	8438;
UNII	KE109YAK00 ;
CompTox Dashboard (EPA)	DTXSID7025924 ;
	InChI InChI=1S/C8H6O3/c9-4-6-1-2-7-8(3-6)11-5-10-7/h1-4H,5H2 Key: SATCULPHIDQDRE-UHFFFAOYSA-N ;
	SMILES O=Cc1ccc2OCOc2c1; c1cc2c(cc1C=O)OCO2;
Properties
Chemical formula	C8H6O3
Molar mass	150.133 g·mol−1
Appearance	Colorless crystals
Density	1.337 g/cm3
Melting point	37 °C (99 °F; 310 K)
Boiling point	263 °C (505 °F; 536 K)
Solubility in water	Soluble in 500 parts
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H317
Precautionary statements	P261, P272, P280, P302+P352, P321, P333+P313, P363, P501
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	2700 mg/kg (orally in rats)
Legal status	BR: Class D1 (Drug precursors);
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Piperonal, also known as heliotropin, is an organic compound which is commonly found in fragrances and flavors. The molecule is structurally related to other aromatic aldehydes such as benzaldehyde and vanillin.

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