ALUMINUM SILICATE
- CAS NO.：14504-95-1
- Empirical Formula: Al2O5Si
- Molecular Weight: 162.05
- MDL number: MFCD00077645
- EINECS: 238-509-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-31 14:38:37
What is ALUMINUM SILICATE?
The Uses of ALUMINUM SILICATE
ALUMINUM SILICATE (Sillimanite) is extensively mined as a byproduct of beach mineral sand operations in South Africa and Australia. Sillimanite minerals are predominantly used in refractories and technical porcelains. Sillimanite refractories cut into various shapes and sizes or made out of bonded particles are used in industries like cement, ceramics, glass making, metal smelting, refinery and treatment, tar distillation, coal carbonization, chemical manufacture, and iron foundries.
Reactions
ALUMINUM SILICATE (Sillimanite), kyanite, and andalusite are all mullite-forming minerals, that is, on firing they
decompose into mullite and vitreous silica according to the chemical reaction:
3Al2SiO5
—> Al6Si2O13 + SiO2
However, sillimanite
does not change into mullite until the temperature reaches 1545°C with a volume expansion
of 5 to 6 vol.%.
Properties of ALUMINUM SILICATE
| Density | 3.1-3.2 |
| form | fibers |
| EPA Substance Registry System | Silicic acid (H2SiO3), aluminum salt (3:2) (14504-95-1) |
Safety information for ALUMINUM SILICATE
Computed Descriptors for ALUMINUM SILICATE
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