STRONTIUM TELLURATE
- CAS NO.：15852-10-5
- Empirical Formula: O4SrTe
- Molecular Weight: 279.22
- MDL number: MFCD00054064
- EINECS: 239-972-8
- SAFETY DATA SHEET (SDS)
What is STRONTIUM TELLURATE?
Description
Strontium tellurate has the molecular formula of
SrTeO4 and the molecular weight of 279.216 grams per
mole. Its CAS number is 15852-10-5. It can be prepared
by the solid-state reaction of TeO3 and SrO:
SrO + TeO3+ heat ? SrTeO4
TeO3 melts at 430°C and a temperature of 600°C
serves to drive the reaction to completion. This is the
tetragonal meta-tellurate composition. It can also be formed in the same manner by solid-state reaction of
telluric acid:
SrO(solid) + H2TeO4(solid) ? SrTeO4(solid) +H2O(gas)
This is also tetragonal in structure, with the meta-tellurate
configuration. Of the two possible configurations,
the meta-tellurate is said to be the most stable.
Telluric acid is soluble in water and produces
Te(OH)4O2-
anions in solutions. If strontium chloride
is added, the product is a tetrahydrate:
SrCl2(aq) +H2Te(OH)4(aq)? SrTeO2(OH)4
Properties of STRONTIUM TELLURATE
| EPA Substance Registry System | Telluric acid (H2TeO4), strontium salt (1:1) (15852-10-5) |
Safety information for STRONTIUM TELLURATE
Computed Descriptors for STRONTIUM TELLURATE
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