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Compounds
Particulate
Metal Oxide
Calcium Oxide
Todd Dunning
MA
United States
Optical Materials for Laser Systems
Published
Dec 24, 2025
Calcium Oxide (CaO)
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Chemical Properties
Chemical Identity
CAS Number
1305-78-8
Formula
CaO
Molecular Weight
56.08 g/mol
Health Effects
Respiratory Irritation
Yes
Skin Burns
Yes
Produced From Contaminants
Concrete Efflorescence
Limescale Deposits
Limescale Deposits
Mineral Scale / Hard Water Deposits
Mineral Scale / Hard Water Deposits
Concrete Dust Deposits
Concrete Efflorescence
Engine Coolant Scale
Hard Water Mineral Scale
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