1,3-Benzodioxole-5-acetaldehyde
[CAS# 6543-34-6]

Identification

• Name: 1,3-Benzodioxole-5-acetaldehyde
• Synonyms: 2-(Benzodioxol-5-yl)acetaldehyde; Homopiperonal; NSC 107645
• Molecular Formula: C₉H₈O₃
• Molecular Weight: 164.16
• CAS Registry Number: 6543-34-6
• EC Number: 896-452-9

Properties

• Solubility: Very slightly soluble (0.43 g/L) (25 ºC), Calc.^*
• Density: 1.255±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 82-83 ºC^**
• Boiling point: 147 ºC (0.8 Torr)^***
• Refractive index: 1.57117 (589.3 nm)^****
• Flash point: 113.9±5.1 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** Spath, Ernst; Berichte der Deutschen Chemischen Gesellschaft [Abteilung] B: Abhandlungen 1936, V69B, P378-84.

^*** Howell, F. H.; Journal of the Chemical Society 1956, P4252-6.

^**** Semmler, F. W.; Berichte der Deutschen Chemischen Gesellschaft 1908, V41, P2751-3.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2A	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin irritation	Skin Irrit.	2	H315