Barium titanate
Synonym(s):Barium metatitanate;Barium titanate (IV);Barium titanium oxide;Titanium barium oxide
- CAS NO.:12047-27-7
- Empirical Formula: BaO3Ti
- Molecular Weight: 233.19
- MDL number: MFCD00003447
- EINECS: 234-975-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-04-23 16:18:34
What is Barium titanate?
Description
Attributing to its ferroelectricity, barium titanate is applied as a semiconductor with positive temperature coefficient of resistivity. It is one of the most important electroceramic materials among all the ferroelectric materials. Barium titanate has also dielectric properties, which can be used in the manufacture of ceramic capacitors. Furthermore, barium titanate has piezoelectric property and can be used in electrical devices such as actuators, accelerators, ultrasonic generators, piezoelectric transducers, filters, and sensors.
The Uses of Barium titanate
Barium titanate has many important commercial applications. It has both ferroelectric and piezoelectric properties. Also, it has a very high dielectric constant (about 1,000 times that of water). The compound has five crystalline modifications, each of which is stable over a particular temperature range. Ceramic bodies of barium titanate find wide applications in dielectric amplifiers, magnetic amplifiers, and capacitors. These storage devices are used in digital calculators, radio and television sets, ultrasonic apparatus, crystal microphone and telephone, sonar equipment, and many other electronic devices.
Properties of Barium titanate
Melting point: | 1625 °C |
Density | 6.08 g/mL at 25 °C(lit.) |
storage temp. | no restrictions. |
solubility | Soluble in alcohols |
form | powder |
color | White to gray |
Water Solubility | INSOLUBLE |
Safety information for Barium titanate
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P271:Use only outdoors or in a well-ventilated area. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. |
Computed Descriptors for Barium titanate
InChIKey | WNKMTAQXMLAYHX-UHFFFAOYSA-N |
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