STRONTIUM STANNATE
- Product Name
- STRONTIUM STANNATE
- CAS No.
- 12143-34-9
- Chemical Name
- STRONTIUM STANNATE
- Synonyms
- Einecs 235-264-8;STRONTIUM STANNATE;stannate, strontium;STRONTIUM TIN OXIDE;strontium tin trioxide;STRONTIUM (II) STANNATE;Strontium tin(IV) oxide;strontium,dioxido(oxo)tin;Stannic acid strontium salt;Strontium tin oxide (srsno3)
- CBNumber
- CB3134759
- Molecular Formula
- O3SnSr
- Formula Weight
- 254.33
- MOL File
- 12143-34-9.mol
STRONTIUM STANNATE Property
- Density
- 5.35 g/cm3
- EPA Substance Registry System
- Strontium tin oxide (SrSnO3) (12143-34-9)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P321Specific treatment (see … on this label).
P332+P313IF SKIN irritation occurs: Get medical advice/attention.
P362Take off contaminated clothing and wash before reuse.
STRONTIUM STANNATE Chemical Properties,Usage,Production
Physical properties
BaSnO3 crystallizes in a cubic perovskite structure. The lattice constant of BaSnO3 is a=4.1163 ?.
Uses
BaSnO3 with cubic perovskite structure exhibits good dielectric properties. Because of these characteristic properties, BaSnO3 ceramic is becoming more and more important in material technology. It can be used to prepare thermally stable capacitors and to fabricate ceramic boundary layer capacitors. In recent years, BaSnO3 has been found to be a very promising sensor material and has therefore received the most attention. In pure as well as doped forms, stannates have been investigated as potential solid-state sensor materials for many gases, including CO, NOx, H2 and CO2. BaSnO3 has also been used in the preparation of multifunctional temperature–humidity–gas sensors by combining it with BaTiO3. Detection of gas in BaSnO3 sensors is achieved by measurement of the electrical properties changes such as resistance and conductivity. The changes are induced in the semiconducting oxide form of BaSnO3 following adsorption of any given gases on the solid surface. The gas sensitivity of this semiconducting oxide is related to the surface reaction process.
Preparation
BaSnO3 powder with a crystallite size of 27.6 nm was prepared through a hydrothermal reaction of a peptized SnO2·xH3O and Ba(OH)3 at 250°C. This was followed by crystallization of this hydrothermal product at 330°C. The peptization of the SnO3·xH3O gel is dependent on the pH value. Through peptization, the mean particle size of SnO3·xH3O in the aqueous solution has been decreased by a factor of 100 to 8 nm. A limited agglomeration in the sol-prepared powder was observed under the microscope. The structure evolution and crystallization behaviors of the solprepared powders were investigated by TG-DTA, IR and XRD. The BaSn(OH)6 phase in the as-prepared powder transforms into an amorphous phase at 260°C, from which the BaSnO3 particles nucleate and grow with an increase in temperature. The single-phase BaSnO3 powder has been obtained at a temperature as low as 330°C. This sol-prepared powder is more sinterable than the gel-prepared powder and can be sintered to a ceramic at 340°C with 90.7% of the theoretic density.
STRONTIUM STANNATE Preparation Products And Raw materials
Raw materials
Preparation Products
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