2-Pentanone
[CAS# 107-87-9]

Identification

• Classification: Flavors and spices >> Synthetic spice >> Ketone fragrance >> Acyclic aliphatic ketone
• Name: 2-Pentanone
• Synonyms: Methyl propyl ketone
• Molecular Formula: C₅H₁₀O
• Molecular Weight: 86.13
• CAS Registry Number: 107-87-9
• EC Number: 203-528-1
• FEMA: 2842

Properties

• Density: 0.8095
• Melting point: -78 ºC
• Boiling point: 100-103 ºC
• Refractive index: 1.389-1.391
• Flash point: 7 ºC
• Water solubility: 43 g/L (20 ºC)

Safety Data

• Hazard Symbols: F;Xn
• Risk Codes: R11;R22;R36/37/38
• Safety Description: S16;S26;S37/39

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Flammable liquids	Flam. Liq.	2	H225
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	3	H331
Specific target organ toxicity - single exposure	STOT SE	3	H336
Skin corrosion	Skin Corr.	1B	H314

• Transport Information: UN 1249