2,6-Dimethyl-5-heptenal
[CAS# 106-72-9]

Identification

• Classification: Flavors and spices >> Synthetic spice >> Aldehyde fragrance >> Nonenal
• Name: 2,6-Dimethyl-5-heptenal
• Synonyms: 2,6-Dimethyl-2-hepten-7-al; 2,6-Dimethyl-5-hepten-1-al; Melonal
• Molecular Formula: C₉H₁₆O
• Molecular Weight: 140.22
• CAS Registry Number: 106-72-9
• EC Number: 203-427-2
• FEMA: 2389

Properties

• Density: 0.845
• Boiling point: 116-124 ºC (100 mmHg)
• Refractive index: 1.444
• Flash point: 141 ºF

Safety Data

• Hazard Symbols: Xi
• Risk Codes: R36/37/38
• Safety Description: S26;S36/37/39

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable liquids	Flam. Liq.	3	H226
Skin sensitization	Skin Sens.	1B	H317
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin sensitization	Skin Sens.	1	H317
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Eye irritation	Eye Irrit.	2A	H319
Flammable liquids	Flam. Liq.	4	H227