4-(2,6,6-Trimethyl-1-cyclohexenyl)-3-buten-2-one
[CAS# 79-77-6]

Identification

• Classification: Flavors and spices >> Synthetic spice >> Ketone fragrance >> Decenone
• Name: 4-(2,6,6-Trimethyl-1-cyclohexenyl)-3-buten-2-one
• Synonyms: beta-Ionone; (3E)-4-(2,6,6-Trimethylcyclohex-1-en-1-yl)but-3-en-2-one
• Molecular Formula: C₁₃H₂₀O
• Molecular Weight: 192.30
• CAS Registry Number: 79-77-6
• EC Number: 201-224-3

Properties

• Density: 0.945
• Boiling point: 126-128 °C (12 mmHg)
• Refractive index: 1.52
• Flash point: >110 °C

Safety Data

• Hazard Symbols: Xi;N
• Risk Statements: R36;R51/53
• Safety Statements: S26;S36/37;S61

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Acute hazardous to the aquatic environment	Aquatic Acute	2	H401
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2A	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335

• Transport Information: UN 3082