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)
Merck :14,10147
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 Dielectric constant :40.0（20℃）
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)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233 Keep container tightly closed. P240 Ground/bond container and receiving equipment. P241 Use explosion-proof electrical/ventilating/lighting/…/equipment. P273 Avoid release to the environment. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.