Phosphotungstic acid, also known as PTA or tungstophosphoric acid, is a strong acid with the molecular formula H3PW12O40. It is a polyoxometalate compound composed of phosphorus and tungsten oxides. This highly corrosive substance has various applications in industries due to its unique chemical properties.
Where To Use Phosphotungstic Acid
Phosphotungstic acid is used in various industries, including:
Catalysts for organic synthesis and oxidation reactions.
Electrolytes in fuel cells and other electrochemical devices.
Pigment production for ceramics, glass, and paint.
Biological staining reagents in histology and microscopy.
Key Features Of Phosphotungstic Acid
Highly soluble in water.
Strong acid with a pH of around 1.
Moderate oxidizing properties.
Stable over a wide temperature range.
How To Use Phosphotungstic Acid
Handle with caution and proper protective equipment.
Dissolve in water slowly, avoiding sudden heat release.
Maintain temperature below 60°C for storage and handling.
How Phosphotungstic Acid Is Manufactured
Phosphotungstic acid production typically involves mixing tungsten and phosphorus oxides, then reacting them with sulfuric acid under controlled conditions.
Technical Specification Of Phosphotungstic Acid
Purity:
99.9%
Form:
Powder, liquid, or solution.
Usage:
Catalyst, electrolyte, pigment, etc.
Packaging:
Drums, IBCs, or bulk containers.
Phosphotungstic acid is widely used due to its unique properties and versatility. Its applications range from catalysis in organic synthesis to pigment production for various materials. The technical specifications ensure its quality and safety for handling. However, it's essential to follow proper procedures when working with this substance, as it can be highly corrosive.
Description Of Phosphotungstic Acid
Phosphotungstic acid has a molecular weight of approximately 2042 g/mol and an appearance that can vary from white to yellowish depending on the purity level.
Related Products & Synonyms Of Phosphotungstic Acid
PTA (Phosphotungstic acid) is a common synonym.
Tungstophosphoric acid shares the same molecular formula and structure.
H3PW12O40 represents its chemical formula, emphasizing the composition of phosphorus, tungsten, hydrogen, oxygen atoms.
1343-93-7 is the CAS number for this compound, facilitating identification in chemical databases and literature.
