Basic

CAS No.	141-79-7
Product Name	Mesityl oxide, mixture of alpha- and beta-isomers
Synonyms	4-Methyl-3-penten-2-one; Methyl isobutenyl ketone; Mesityl oxide; Isopropylidene acetone; 4-methylpent-3-en-2-one; MO; 2-Methyl-2-Penten-4-One
Molecular Formula	C6H10O
Molecular Weight	98.143

Physical property

Density	0.83g/cm3
Melting point	-53℃
Boiling point	132.7°C at 760 mmHg
Flash point	30.6°C
Water solubility	28 g/L (20℃)
Refractive index	1.418

Hazard Symbols	Xn:Harmful;
Risk Codes	R10:; R20/21/22:;
Safety Description	S25:;