1,5-Cyclooctadiene
[CAS# 111-78-4]

Identification

• Classification: Organic raw materials >> Hydrocarbon compounds and their derivatives >> Cyclic hydrocarbon
• Name: 1,5-Cyclooctadiene
• Synonyms: Cycloocta-1,5-diene
• Molecular Formula: C₈H₁₂
• Molecular Weight: 108.18
• CAS Registry Number: 111-78-4 (1552-12-1)
• EC Number: 203-907-1

Properties

• Density: 0.882
• Melting point: -69.5 ºC
• Boiling point: 151 ºC
• Refractive index: 1.492-1.494
• Flash point: 38 ºC
• Water solubility: 780 mg/L (20 ºC)

Safety Data

• Hazard Symbols: Xn;N
• Risk Codes: R10;R22;R50/53
• Safety Description: S16;S60;S61

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable liquids	Flam. Liq.	3	H226
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	4	H332
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Skin irritation	Skin Irrit.	2	H315
Skin sensitization	Skin Sens.	1	H317
Eye irritation	Eye Irrit.	2	H319
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Aspiration hazard	Asp. Tox.	1	H304
Acute toxicity	Acute Tox.	2	H330
Acute toxicity	Acute Tox.	3	H311
Flammable liquids	Flam. Liq.	2	H225
Eye irritation	Eye Irrit.	2A	H319

• Transport Information: UN 2520