trans-2-Hexenal
[CAS# 6728-26-3]

Identification

• Classification: Flavors and spices >> Synthetic spice >> Aldehyde fragrance >> Acyclic aliphatic aldehyde
• Name: trans-2-Hexenal
• Synonyms: Leaf aldehyde
• Molecular Formula: C₆H₁₀O
• Molecular Weight: 98.14
• CAS Registry Number: 6728-26-3
• EC Number: 229-778-1
• FEMA: 2560

Properties

• Density: 0.846
• Boiling point: 146-149 °C
• Refractive index: 1.444-1.45
• Flash point: 35 °C
• Water solubility: INSOLUBLE

Safety Data

• Hazard Symbols: Xn
• Risk Statements: R10;R21/22
• Safety Statements: S16;S36/37

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Flammable liquids	Flam. Liq.	3	H226
Acute toxicity	Acute Tox.	3	H311
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Eye irritation	Eye Irrit.	2	H319
Skin sensitization	Skin Sens.	1B	H317
Skin sensitization	Skin Sens.	1	H317
Skin irritation	Skin Irrit.	2	H315
Skin sensitization	Skin Sens.	1A	H317
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	4	H332
Acute toxicity	Acute Tox.	3	H301
Eye irritation	Eye Irrit.	2A	H319
Specific target organ toxicity - single exposure	STOT SE	3	H336
Acute toxicity	Acute Tox.	4	H312

• Transport Information: UN 1988