Aluminum calcium oxide

CAS Number
12042-68-1
EC Number
234-931-0

What is Aluminum calcium oxide?

Aluminum calcium oxide (CAS 12042-68-1) is an inorganic mineral compound used in construction, water treatment, and metallurgical processing.

Where is Aluminum calcium oxide used?

  • Construction: active phase in calcium aluminate cements for refractory castables, industrial flooring, and sewer infrastructure
  • Water treatment: coagulant and flocculant removing suspended solids, phosphates, and turbidity from municipal and industrial effluents
  • Steelmaking and foundry: slag conditioner and flux improving melt fluidity and impurity removal
  • Specialty refractories: monolithic linings and kiln furniture formulations
  • It functions as a binder, flocculant, and flux depending on grade.

Commercial specifications

  • Particle size and alumina-to-calcium ratio vary by application
  • Technical and refractory grades
  • Cement-grade material conforms to ASTM C1157 or equivalent

Other Names (Synonyms)

Aluminum calcium oxide (Al2CaO4)|calcium oxido(oxo)alumane|Calcium aluminate

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What are the physical properties of Aluminum calcium oxide?

Melting Point 1604 °C
Density 2.88 g/cm³ (solid) (porous)
Color White
Form Powder
Water Solubility Insoluble in water.

How is Aluminum calcium oxide classified and handled safely? Learn More

Danger
GHS05· Corrosive GHS07· Irritant

Hazard Statements

H315 Causes skin irritation
H318 Causes serious eye damage

Precautionary Statements

P264 Wash … thoroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P317 Get emergency medical help.
P321 Specific treatment (see … on this label).
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