Synonym(s): Yttria
Empirical Formula: O3Y2
Linear Formula: Y2O3
Formula Weight: 225.81
MDL Number: MFCD00011473
Purity: ≥99.9% trace metals basis
Boiling Point: 81-83 °C
Melting Point: −89 °C
Density: 0.785 g/mL at 25 °C
Signal Word: Danger
Hazard statements: H225-H315-H319-H336
Precautionary statements: P210-P261-P305 + P351 + P338
Risk Statements (Europe): 11-36-67
Safety Statements (Europe): 16-26
Hazard Codes (Europe): F,Xi