2-Nonanone
[CAS# 821-55-6]

Identification

• Classification: Flavors and spices >> Synthetic spice >> Ketone fragrance >> Acyclic aliphatic ketone
• Name: 2-Nonanone
• Synonyms: n-Heptyl methyl ketone
• Molecular Formula: C₉H₁₈O
• Molecular Weight: 142.24
• CAS Registry Number: 821-55-6
• EC Number: 212-480-0
• FEMA: 2785

Properties

• Density: 0.826
• Melting point: -21 ºC
• Boiling point: 188-190 ºC
• Refractive index: 1.42-1.422
• Flash point: 68 ºC
• Water solubility: ca 0.5 g/L

Safety Data

• Hazard Symbols: Xn
• Risk Codes: R20;R36
• Safety Description: S26;S39

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412