CAS NO. : 1314-13-2
EINECS: 215-222-5
Molecular Formula : ZnO
Molecular Weight : 81.38
Properties : White powder,stable under normal temperature, good hiding power and colouring power.Insoluble in water and alcohol ,soluble in acid ,alkali and amkonium solution.
Use : bandage,medicine,cosmetic,plaster,adhesive plaster,dental impression pastezinc ointment and etc
Storage : Preserve in well closed containers
Packing : 25Kg woven bags lined with plastic bag(special packing can be made according to clients' requirement).
Specification EP7( % )
index item
standard
Assay(ZnO)
99.0%-100.5%
Alkalinity
According to the test
Carbonates and substances insoluble in acid
according to the test
Arsenic(As)
Not more than 5ppm
Cadmium(Cd)
Not more than 10ppm
Iron(Fe)
Not more than 200ppm
Lead(Pb)
Not more than 50ppm
Loss on Ignition(500'C)
Not more than 1.0%
