pharmaceutical secondary standard; traceable to USP, PhEur
Synonym(s): Menadione; 2-Methyl-1,4-naphthoquinone; Vitamin K3
Empirical Formula: C11H8O2
Formula Weight: 172.18
Linear Formula: C11H8O2
MDL Number: MFCD00001681
Melting Point: 105-107 °C(lit.)
Beilstein Registry Number: 1908453
Signal Word: Warning
Hazard statements: H302-H315-H319-H335
Precautionary statements: P261-P305 + P351 + P338
Hazard Codes (Europe) : Xn
Risk Statements (Europe): 22-36/37/38
Safety Statements (Europe): 26-36
WGK Germany: 3