Menadione USP
Appearance: Yellow to yellowish crystalline powder
Indentification: Positive
Melting Range: 105-107ºC
Loss on drying: NMT 0.3%
Chromium: NMT 60ppm
Residue on ignition: NMT 0.1%
Alpha-methylnaphthalene: NMT 0.1%
Beta-methylnaphthalene: NMT0.05%
Assay: 98.5-101.0%
