Specification :

Name: 2-Methyl-1,4-naphthoquinone
CAS:58-27-5
Standard: GB7294-87
Menadione
Appearance: White to brownish crystalline powder Solubility: Water soluble
Specifications:
MSB content: 98.5% (Menadione content: 51.5% )
MSB content: 97.5% (Menadione content: 51.0% )
MSB content: 96% (Menadione content: 50.0% )
MSB content: 60-75% (Menadione content: 35.0% )
Item and Index:
Item Index
content.3counting C11H8O2.NaHSO3.3H20 ,% e96.0
menadione,% e50
Solution color dKelly standard colorimetric solution No 4
sulphonic acid menadione No deposition
Moisture,% d13.
Heavy metal.counting Pb % d0.002
arsenic salt.As % d0.0005
Packing: 25Kgf netcarton, inner plastic bag
Shelf life: 12 months