Tungsten Trioxide
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Cite "Tungsten Trioxide"
Tungsten Trioxide. (n.d.). In Compound. Retrieved from /th/compound/tungsten-trioxide/
"Tungsten Trioxide." Compound, /th/compound/tungsten-trioxide/.
@misc{tungsten-trioxide, title={Tungsten Trioxide}, url={/th/compound/tungsten-trioxide/}}
IUPAC: Tungsten(VI) oxide
CAS: 1314-35-8
ภาพรวม
Tungsten trioxide is a yellow powder that is the primary intermediate in tungsten metal production. It is reduced with hydrogen or carbon to produce tungsten metal. It also has photochromic and electrochromic properties, changing color when exposed to light or electric fields.
องค์ประกอบ
การใช้งาน
- • Tungsten metal production
- • Electrochromic smart windows
- • Catalyst
- • Yellow ceramic pigment
ข้อเท็จจริงที่น่าสนใจ
- ✦ Electrochromic smart windows using WO₃ can darken or lighten with an applied voltage
ความปลอดภัย
- ⚠ Low toxicity
- ⚠ Dust inhalation should be avoided
Structure
SMILES
O=[W](=O)=O
คุณสมบัติ
- ประเภท
- oxide
- สถานะ
- solid
- มวลโมลาร์
- 231.84 g/mol
- ความหนาแน่น
- 7.1600 g/cm³
- จุดหลอมเหลว
- 1473.0 °C
- จุดเดือด
- 1700.0 °C
- การละลาย
- insoluble
Molecular Descriptors
- Exact Mass
- 231.9357
- TPSA
- 51.2 Ų
- H-Bond Donors
- 0
- H-Bond Acceptors
- 3
- Rotatable Bonds
- 0
- Heavy Atoms
- 4
- Complexity
- 61.0