Zinc oxide CAS NO.1314-13-2

Zinc oxide Chemical Properties

Melting point	1975 °C
Boiling point	1949.9°C (estimate)
density	5.6
refractive index	2.008~2.029
Fp	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/nm b/nm c/nm α/o β/o γ/o V/nm3 0.32495 0.32495 0.52069 90 90 120 0.0476
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

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