Tungsten oxide (WO3) | CAS No. 1314-35-8

Q: What is Tungsten Oxide (CAS: 1314-35-8)?

Tungsten oxide (WO3) is a chemical compound with the formula WO3. It appears as a yellowish solid, is insoluble in water, and exhibits high melting and boiling points. Tungsten oxide is known for its stability, electrical conductivity, and use in various industrial and technological applications. Its CAS number is 1314-35-8, ensuring accurate identification in chemical databases.

Q: What are the main uses of Tungsten Oxide (CAS: 1314-35-8)?

Tungsten oxide (CAS: 1314-35-8) is widely used in the production of tungsten metal, ceramics, and electronic components. It serves as a catalyst in chemical reactions, a pigment in paints and coatings, and a key material in thermoelectric devices. Additionally, it is applied in gas sensors, optical coatings, and pharmaceuticals. Its unique properties make it valuable in research and manufacturing sectors.

Q: Is Tungsten Oxide (CAS: 1314-35-8) safe?

Tungsten oxide (CAS: 1314-35-8) is generally considered safe when handled properly. However, inhalation of its dust may cause respiratory irritation, and prolonged skin contact could lead to irritation. Safety standards recommend using protective equipment, such as gloves and masks, during handling. It is not classified as highly toxic, but standard safety protocols should be followed to minimize risks.

Q: How should Tungsten Oxide (CAS: 1314-35-8) be stored?

Tungsten oxide (CAS: 1314-35-8) should be stored in a cool, dry place, away from moisture and strong reducing agents. It is stable under normal conditions but requires airtight containers to prevent contamination. Avoid exposure to high temperatures and direct light to maintain its integrity. Proper storage ensures safety and prolongs its shelf life.

Tungsten oxide (WO3)

Basic Information

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CAS Number

1314-35-8

Molecular Formula

WO3

Molecular Weight

231.84 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Melting Point

1470-1475 ºC

Boiling Point

1837°C (estimate)

Solubility

Tungsten (VI) oxide is soluble in hot alkali solutions. Insoluble in water and acids. Slightly soluble in hydrofluoric acid.

Refractive Index

1.3678

SMILES

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O=[W](=O)=O

InChI

InChI=1S/3O.W

InChIKey

ZNOKGRXACCSDPY-UHFFFAOYSA-N

LogP

-0.3589

Topological Polar Surface Area

51.21 Å²

Hydrogen Bond Donor/Acceptor

0 / 3

Complexity

61.8

Safety Information

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GHS Hazard Pictograms

H302

H315

H319

H335

Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Sensitiveness

Sensitive to humidity

Synonyms & References

English

Tungsten(VI) oxide
AKOS024256456
Tungsten Oxide Nanopowder
Tungsten Oxide Powder, 99+% Nano
EINECS 215-231-4
MFCD00011466
Tungsten Oxide Nanorods
FT-0696537
NS00093612
Tungsten(VI) oxide, nanopowder, <100 nm particle size (TEM)
Tungsten Dioxide Nanowires
Tungsten(VI) oxide, powder, puriss., 99.9%
BAA31435
Tungsten(VI) oxide, Puratronic?
Tungstic anhydride
trioxotungsten
Q417406
Tungstic oxide
Wolframic acid, anhydride
TUNGSTEN TRIOXIDE
Tungstic acid anhydride
Tungsten(VI) oxide, powder, 99.995% trace metals basis
HSDB 5800
ZNOKGRXACCSDPY-UHFFFAOYSA-N
UNII-940E10M08M
Tungsten(VI) oxide, nanowires, diam. x L ~50 nm x 10 mum
1314-35-8
2-Heptylmalonicacid
EC 215-231-4
CS-0198133
Tungsten Oxide nanowire

MDL Number

MFCD00011466

Customs Code

2825901200

FAQ

What is Tungsten Oxide (CAS: 1314-35-8)?

Tungsten oxide (WO3) is a chemical compound with the formula WO3. It appears as a yellowish solid, is insoluble in water, and exhibits high melting and boiling points. Tungsten oxide is known for its stability, electrical conductivity, and use in various industrial and technological applications. Its CAS number is 1314-35-8, ensuring accurate identification in chemical databases.

What are the main uses of Tungsten Oxide (CAS: 1314-35-8)?

Tungsten oxide (CAS: 1314-35-8) is widely used in the production of tungsten metal, ceramics, and electronic components. It serves as a catalyst in chemical reactions, a pigment in paints and coatings, and a key material in thermoelectric devices. Additionally, it is applied in gas sensors, optical coatings, and pharmaceuticals. Its unique properties make it valuable in research and manufacturing sectors.

Is Tungsten Oxide (CAS: 1314-35-8) safe?

Tungsten oxide (CAS: 1314-35-8) is generally considered safe when handled properly. However, inhalation of its dust may cause respiratory irritation, and prolonged skin contact could lead to irritation. Safety standards recommend using protective equipment, such as gloves and masks, during handling. It is not classified as highly toxic, but standard safety protocols should be followed to minimize risks.

How should Tungsten Oxide (CAS: 1314-35-8) be stored?

Tungsten oxide (CAS: 1314-35-8) should be stored in a cool, dry place, away from moisture and strong reducing agents. It is stable under normal conditions but requires airtight containers to prevent contamination. Avoid exposure to high temperatures and direct light to maintain its integrity. Proper storage ensures safety and prolongs its shelf life.