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12009-21-1

Name Barium zirconate
CAS 12009-21-1
EINECS(EC#) 234-546-8
Molecular Formula BaO3Zn
MDL Number MFCD00014189
Molecular Weight 250.72
MOL File 12009-21-1.mol
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Chemical Properties

Appearance Light gray-buff powder. Insoluble in water and alkalies; slightly soluble in acid.
Melting point  2500°C
density  5.52 g/mL at 25 °C(lit.)
solubility  insoluble in H2O, alkaline solutions; slightly soluble in acid solutions
form  powder
color  Off-white
Specific Gravity 5.52
Water Solubility  Insoluble in water.
Exposure limits ACGIH: TWA 5 mg/m3; STEL 10 mg/m3
NIOSH: IDLH 25 mg/m3; TWA 5 mg/m3; STEL 10 mg/m3
Uses
Manufacture of a white, easily colored silicone rubber compound having good heat stability at temperatures up to 500F; electronics.
CAS DataBase Reference 12009-21-1(CAS DataBase Reference)
EPA Substance Registry System 12009-21-1(EPA Substance)

Safety Data

Hazard Codes  Xn
Risk Statements 
R20/22:Harmful by inhalation and if swallowed .
Safety Statements 
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) .
WGK Germany  1
RTECS  CR0875000
TSCA  Yes
Safety Profile
Moderately toxic by ingestion and intraperitoneal routes. Inhalation produces interstitial pneumonitis. See also ZIRCONIUM COMPOUNDS and BARIUM COMPOUNDS.
Toxicity
LD50 orl-rat: 1980 mg/kg AIHAAP 24,131,63

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