Zinc (CAS No.:  7440-66-6 )

  Commodity name: 　 ZINC POWDER 　
Chemical Formula: Zn
CAS Number:
7440-66-6
Physical & Chemical: 　 Appearance: Gray or bluish-gray powder. Odor: Odorless. Solubility: Insoluble in water. Density: 7.14 ; % Volatiles by volume @ 21C (70F): 0 ; Boiling Point: 907C (1665F) ; Melting Point: 419C (786F) ; Vapor Pressure (mm Hg): 1 @ 487C (909F) 　
Packing Style : in weight 50kg net each, 20MT per 20'FCL.
Handling and Storage : 　 Keep in a tightly closed container. Protect from physical damage. Store in a cool, dry, ventilated area away from sources of heat, moisture and incompatibilities. Containers of this material may be hazardous when empty since they retain product residues (dust, solids); observe all warnings and precautions listed for the product. 　
Shelf life : two years
Specifications: 　
1)SPECIFICATION : 325mesh
Total Zn : 98.5%min
Metallic : 96.5%min
Pb : 0.1%max
Fe : 0.01%max
Cd : 0.05%max
Particle Size : 6-9 um
Largest grain size : 45max um
Screen tailings : 0.02%max
Porperties: Deep grey powder, consists of infinitive from or circular particle.

2)SPECIFICATION : 500mesh
Total Zn : 98.5%min
Metallic : 96.5%min
Pb : 0.1%max
Fe : 0.01%max
Cd : 0.05%max
Particle Size : 4-6 um
Largest grain size : 25max um
Screen tailings : 0.02%max
Porperties: Deep grey powder, consists of infinitive from or circular particle.

Basic information
MeltingPoint:692.68 K, 419.53 °C, 787.15 °F
HazardSymbols:N
BoilingPoint:1180 K, 907 °C, 1665 °F
Formula:Zn
Density:7.14 g/mL at 25 °C
FlashPoint:1 °F
MolecularWeight:65.39
ChemUse:Alloys (brass, bronze, and die-casting alloys), galvanizing iron and other metals, electroplating, metal spraying, automotive parts, electrical fuses, storage and dry-cell batteries, fungicides, nutrition (essential growth element), roofing, gutters, engravers' plates, cable wrappings, organ pipes.