Undecanal
[CAS# 112-44-7]

Identification

• Classification: Flavors and spices >> Synthetic spice >> Aldehyde fragrance >> Acyclic aliphatic aldehyde
• Name: Undecanal
• Synonyms: Undecyl aldehyde
• Molecular Formula: C₁₁H₂₂O
• Molecular Weight: 170.29
• CAS Registry Number: 112-44-7
• EC Number: 203-972-6
• FEMA: 3092

Properties

• Density: 0.825
• Melting point: -2 °C
• Boiling point: 109-115 °C (5 mmHg)
• Refractive index: 1.4322

Safety Data

• Hazard Symbols: Xi
• Risk Statements: R36/37/38
• Safety Statements: S26

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin irritation	Skin Irrit.	2	H315
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Eye irritation	Eye Irrit.	2	H319
Chronic hazardous to the aquatic environment	Aquatic Chronic	4	H413
Eye irritation	Eye Irrit.	2A	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335