pharmaceutical secondary standard
Synonym(s): Mesityl oxide; 4-Methyl-3-penten-2-one
Empirical Formula: C6H10O
Formula Weight: 98.14
Linear Formula: (CH3)2C=CHCOCH3
MDL Number: MFCD00008900
Boiling Point: 130 °C(lit.)
Melting Point: -41.5 °C(lit.)
Density: 0.858 g/mL at 25 °C(lit.)
Refractive Index: n20/D 1.442(lit.)
Beilstein Registry Number: 1361550
Signal Word: Danger
Hazard statements: H226-H302 + H312-H315-H319-H331-H335
Precautionary statements: P261-P280-P305 + P351 + P338-P311
Hazard Codes (Europe) : Xn
Risk Statements (Europe): 10-20/21/22-36/37/38
Safety Statements (Europe): 25
WGK Germany: 1