CAS 12028-48-7: Ammonium metatungstate

Description: Ammonium metatungstate, with the CAS number 12028-48-7, is an inorganic compound characterized by its chemical formula (NH4)6[H2W12O40]. It is a white crystalline solid that is highly soluble in water, making it useful in various applications, particularly in the field of catalysis and as a precursor for tungsten-based materials. This compound is known for its high thermal stability and is often used in the preparation of tungsten oxide and other tungsten compounds. Ammonium metatungstate exhibits properties typical of tungstate salts, including the ability to form complexes with various metal ions. It is also utilized in the production of advanced materials, such as ceramics and coatings, due to its unique chemical properties. Safety considerations include handling it with care, as it can be harmful if ingested or inhaled, and appropriate safety measures should be taken to avoid exposure. Overall, ammonium metatungstate is a versatile compound with significant industrial and research applications.

Formula: H₄NH₂O₄₀W₁₂

InChI: InChI=1S/6H3N.2H2O.38O.12W/h6*1H3;2*1H2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/q;;;;;;;;;;;;;;;;;;;;26*-2;12*+4/p+4

InChI key: InChIKey=HFRXDLTZJDKYHB-UHFFFAOYSA-R

SMILES: O=[W+4]1234[O-2][W+4]567(=O)[O-2][W+4]89%10(=O)[O-2][W+4]%11%12(=O)([O-2]1)[O-2][W+4]%13(=O)([O-2]8)([O-2][W+4]%14%15%16(=O)[O-2][W+4]%17(=O)([O-2]2)([O-2]%11)[O-2][W+4]%18(=O)([O-2][W+4](=O)([O-2]3)([O-2]5)([O-2][W+4]%19%20(=O)([O-2][W+4]%21(=O)([O-2]6)([O-2]9)[O-2][W+4](=O)([O-2]%13)([O-2]%14)([O-2]%19)[OH-]%21%20)[O-2]%18)[O-2]47)([O-2]%15)[OH-]%17%16)[O-2]%12%10.[NH4+]

Synonyms:

• Ammonium isopolytungstate ((NH₄)₆[H₂W₁₂O₄₀])
• Ammonium metatungstate
• Ammonium metatungstate ((NH₄)₆H₂W₁₂O₄₀)
• Ammonium tungstate (NH₄)₆H₂W₁₂O₄₀
• Ammonium tungstate (meta)
• Ammonium tungstate(VI) ((NH₄)₆H₂W₁₂O₄₀)
• Hexaammonium Trioxido-[[(Oxido-Dioxo-Tungstenio)Oxy-Dioxo-Tungstenio]Oxy-Dioxo-Tungstenio]Oxy-Bis[[[[(Oxido-Dioxo-Tungstenio)Oxy-Dioxo-Tungstenio]Oxy-Dioxo-Tungstenio]Oxy-Dioxo-Tungstenio]Oxy]Tungsten Hydrate
• Hexaammonium wolframate
• Hexammonium metatungstate
• MW 2 (inorganic compound)
• Tungstate (W12(OH)2O386-), ammonium (1:6)
• Tungstate (W12(OH)2O386-), hexaammonium
• Tungstate (W₁₂(OH)₂O₃₈^6-), ammonium (1:6)
• Tungstate (W₁₂(OH)₂O₃₈^6-), hexaammonium
• Tungstic acid (H₈W₁₂O₄₀), hexaammonium salt
• Tungstic acid (H8W12O40), hexaammonium salt
• Ammonium tungstate(VI) ((NH4)6H2W12O40)

Ammonium metatungstate hydrate (99.9+%-W)

CAS: 12028-48-7

• Formula: (NH₄)₆H₂W₁₂O₄₀·XH₂O
• Purity: (99.9+%-W)
• Color and Shape: white pwdr.
• Molecular weight: 2956.45

Ammonium tungstate hydrate (meta)

CAS: 12028-48-7

Ammonium tungstate hydrate (meta) is a chemical compound that is used as a signal detector. …

• Formula: H₆NO₂W
• Purity: Min. 95%
• Molecular weight: 235.89 g/mol