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Zinc Oxide Powder Structure

Zinc Oxide Powder

Chemical Properties

Melting point 1975 °C
Boiling point 1949.9°C (estimate)
Density  5.6
refractive index  2.008~2.029
Flash point 27℃
storage temp.  Store at +5°C to +30°C.
solubility  0.0016g/l insoluble
form  nanopowder
Specific Gravity 5.61
color  White to pale yellow
PH 7 (50g/l, H2O, 20℃)(slurry)
Odor wh. to gray powd. or crystals, odorless, bitter taste
Water Solubility  1.6 mg/L (29 ºC)
Crystal Structure ZnO type
crystal system Six sides
Merck  14,10147
Space group P63mc
Lattice constant
a/nmb/nmc/nmα/oβ/oγ/oV/nm3
0.324950.324950.5206990901200.0476
Dielectric constant 40.0(20℃)
Exposure limits ACGIH: TWA 2 mg/m3; STEL 10 mg/m3
OSHA: TWA 5 mg/m3; TWA 15 mg/m3
NIOSH: IDLH 500 mg/m3; TWA 5 mg/m3; STEL 10 mg/m3; Ceiling 15 mg/m3
Stability Stable. Incompatible with magnesium, strong acids.
InChIKey XLOMVQKBTHCTTD-UHFFFAOYSA-N
CAS DataBase Reference 1314-13-2(CAS DataBase Reference)
NIST Chemistry Reference Zinc oxide(1314-13-2)
EPA Substance Registry System Zinc oxide (1314-13-2)

Safety Information

Hazard Codes  N,Xn,F
Risk Statements  50/53-20-43-36/38-20/21/22-67-66-10-11
Safety Statements  60-61-7/9-36/37-26-16
RIDADR  UN 3077 9/PG 3
OEB B
OEL TWA: 5 mg/m3, Ceiling: 15 mg/m3
WGK Germany  2
RTECS  ZH4810000
TSCA  Yes
HazardClass  9
PackingGroup  III
HS Code  28170000
Hazardous Substances Data 1314-13-2(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: > 5000 mg/kg
IDLA 500 mg/m3

MSDS

Usage And Synthesis

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