Dihydroxy(dioxo)tungsten

Basic Information

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CAS Number

7783-03-1

Molecular Formula

H2O4W

Molecular Weight

249.85 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

100°C (dec.)

Boiling Point

1473°C

Density

5.5 g/mL at 25 °C

Flash Point

1473°C

Refractive Index

2.24

SMILES

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O[W](=O)(=O)O

InChI

InChI=1S/2H2O.2O.W/h2*1H2;;;/q;;;;+2/p-2

InChIKey

CMPGARWFYBADJI-UHFFFAOYSA-L

LogP

-1.3541

Topological Polar Surface Area

74.6 Å²

Hydrogen Bond Donor/Acceptor

2 / 4

Complexity

81.3

Safety Information

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Stability

Stable. Incompatible with strong oxidizing agents.

Sensitiveness

Sensitive to humidity

Synonyms & References

English

Tungstate (WO42-), dihydrogen, (T-4)-
CHEBI:36272
MFCD00011336
Tungstic acid, 99%
AKOS015960973
WOLFRAMIC ACID, ANHYDROUS
J-525145
Tungstate (WO42-), dihydrogen, (beta-4)-
NCI60_009849
Tungsten hydroxide oxide
CMPGARWFYBADJI-UHFFFAOYSA-L
UNII-J4D6K0RX2G
Tungstic acid, 99.999% trace metals basis
Tungstate (WO42-), hydrogen (1:2), (T-4)-
Q416538
PD162531
C20679
EC 231-975-2
dihydroxidodioxidotungsten
EINECS 231-975-2
H2WO4
Tungstic acid
Pyrrolidine, 1-(2,6-dimethylphenyl)-
7783-03-1
Tunstic acid
Tungstic acid (H2WO4)
SB66399
J4D6K0RX2G
Wolframsaure
Tungstic acid, >=99.0% (calcined substance, T), powder
dihydroxy(dioxo)tungsten

MDL Number

MFCD00011336

Customs Code

28259011

FAQ

What is dihydroxy(dioxo)tungsten (CAS: 7783-03-1)?

Dihydroxy(dioxo)tungsten is a tungsten compound with the chemical formula H2WO4. It is a white or colorless crystalline solid with a high melting point. This compound is known for its acidic properties and is an important intermediate in the synthesis of other tungsten compounds.

What are the main uses of dihydroxy(dioxo)tungsten (CAS: 7783-03-1)?

Dihydroxy(dioxo)tungsten is primarily used in the production of other tungsten compounds and in the manufacturing of pigments. It is also utilized in the analytical chemistry as a reagent and in the pharmaceutical industry for the synthesis of certain organic compounds.

Is dihydroxy(dioxo)tungsten (CAS: 7783-03-1) safe?

Dihydroxy(dioxo)tungsten is generally considered safe when handled appropriately. However, it can cause skin irritation and respiratory issues if inhaled or if contact is made with the skin. It is important to wear protective gear, including gloves and goggles, and to avoid inhaling the dust or fumes. Proper ventilation is essential during handling and use.

How should dihydroxy(dioxo)tungsten (CAS: 7783-03-1) be stored?

Dihydroxy(dioxo)tungsten should be stored in a cool, dry place away from direct sunlight. It should be kept in a sealed container to prevent moisture absorption. It should be stored in a well-ventilated area and away from heat sources and incompatible materials such as acids and bases. Handling should be done in a fume hood or well-ventilated area to minimize exposure to dust and fumes.