Zirconium silicate

Melting point :2550 °C
Density :4,56 g/cm³
refractive index :1.78-1.99
solubility :insoluble in H2O, acid solutions
form :nanopowder
color :Yellow to orange
Specific Gravity :4.56
Odor :Odorless
Water Solubility :Insoluble in water, acids, alkali and aqua regia.
Crystal Structure :Zircon
Hydrolytic Sensitivity :1: no significant reaction with aqueous systems
Merck :14,10181
crystal system :square
Space group :I41/amd
Lattice constant :

a/nm	b/nm	c/nm	α/o	β/o	γ/o	V/nm3
0.6607	0.6607	0.5982	90	90	90

Exposure limits :ACGIH: TWA 5 mg/m3; STEL 10 mg/m3
NIOSH: IDLH 25 mg/m3; TWA 5 mg/m3; STEL 10 mg/m3 Dielectric constant :5（0.0℃）
Stability :Stable.
CAS DataBase Reference :10101-52-7(CAS DataBase Reference)
NIST Chemistry Reference :Zirconium silicate(10101-52-7)
EPA Substance Registry System :Silicic acid (H4SiO4), zirconium(4+) salt (1:1) (10101-52-7)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.