CALCIUM ALUMINATE
- CAS NO.：12042-68-1
- Empirical Formula: AlCaH7O
- Molecular Weight: 90.11
- MDL number: MFCD00049722
- EINECS: 234-931-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-24 14:58:13
What is CALCIUM ALUMINATE?
Chemical properties
white, monoclinic, tricl, or rhomb; -200 mesh 99% powder(s) [CER91] [CRC10]
Physical properties
Calcium aluminate is a white powder and exhibits a monoclinic crystalline form. Its density is 2.98 g/cc and its melting point is 1605 °C.
The Uses of CALCIUM ALUMINATE
The major use found for CaAl2O4 has been as a hydrous cement. Alternative names are “aluminous cement”, “high-alumina cement” (HAC) and “Ciment fondu”. They are used in a number of small-scale, specialized applications.
The Uses of CALCIUM ALUMINATE
Calcium aluminum oxide is used as a precursor in the production of naphtha steam reforming catalysts, refinery gas steam reforming catalysts, aluminum chlorohydrate, secondary hydrocarbon steam reforming catalysts. It is also used in the production of refractory and cements.
Preparation
Calcium aluminate can be formed by heating the
oxides together at about 900–1250 °C:
CaO + Al2O3 + heat→CaAl2O4
Properties of CALCIUM ALUMINATE
| Melting point: | 1600°C |
| Density | 2.981 |
| solubility | reacts with H2O |
| form | Powder |
| Specific Gravity | 2.981 |
| color | White |
| Water Solubility | Insoluble in water. |
| Sensitive | Hygroscopic |
| Exposure limits | ACGIH: TWA 1 mg/m3 |
| CAS DataBase Reference | 12042-68-1(CAS DataBase Reference) |
| EPA Substance Registry System | Aluminum calcium oxide (Al2CaO4) (12042-68-1) |
Safety information for CALCIUM ALUMINATE
Computed Descriptors for CALCIUM ALUMINATE
New Products
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