Cadmium metasilicate is an inorganic compound, a salt of cadmium and silicic acid with the formula CdSiO 3 , colorless crystals, insoluble in water.
| Cadmium Metasilicate | |
|---|---|
| Are common | |
| Systematic name | Cadmium Metasilicate |
| Traditional names | Cadmium silicate; cadmium silicate |
| Chem. formula | CdSiO 3 |
| Physical properties | |
| condition | colorless crystals |
| Molar mass | 188.49 g / mol |
| Density | 4.93; 4.962 g / cm³ |
| Thermal properties | |
| T. melt. | 1242; 1285 ° C |
| Chemical properties | |
| Solubility in water | not soluble |
| Classification | |
| Reg. CAS number | 13477-19-5 |
| Reg. EINECS number | 236-765-4 |
Content
Getting
- Fusion (sintering) of stoichiometric amounts of silicon and cadmium oxides :
Physical Properties
Cadmium metasilicate forms colorless crystals of monoclinic syngony , space group P 2 1 / c , cell parameters a = 0.69463 nm, b = 0.72563 nm, c = 1.50697 nm, β = 94.791 °, Z = 12.
Not soluble in water.
Application
Cadmium metasilicate doped with rare-earth elements is used as a phosphor.
Literature
- Handbook of a chemist / Redkoll: B.P. Nikolsky et al. - 3rd ed., Rev. - L .: Chemistry, 1971. - T. 2. - 1168 p.
- Inorganic Synthesis Guide: 6 vol. / Ed. G. Brower. - M .: Mir, 1985 .-- T. 4 .-- 447 p.