Diphosphoric acid, tetrapotassium salt

Basic Information

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CAS Number

7320-34-5

Molecular Formula

H6K4O10P2

Molecular Weight

384.38 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Agricultural Chemicals Pesticides Insecticides

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Melting Point

1300 °C

Density

2.33

SMILES

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[O-]P(=O)(OP(=O)([O-])[O-])[O-].O.O.O.[K+].[K+].[K+].[K+]

InChI

1S/4K.H4O7P2/c;;;;1-8(2,3)7-9(4,5)6/h;;;;(H2,1,2,3)(H2,4,5,6)/q4*+1;/p-4

InChIKey

RYCLIXPGLDDLTM-UHFFFAOYSA-J

LogP

0.94120

Complexity

124

Safety Information

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GHS Hazard Pictograms

H315

H319

Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Sensitiveness

Hygroscopic

Synonyms & References

English

Potassium Diphosphate
Diphosphoric acid, tetrapotassium salt
Potassium Pyrophosphate
Tetra-Potassium Pyrophosphate
TKPP
Tetrapotassium pyrophosphate
diphosphoric acid, monopotassium salt
Potassium pyrophospate
Tetrapotassium Pyrophosphate Anhydrous
ED-509S

MDL Number

MFCD00799110

Customs Code

2835399000

FAQ

What is Diphosphoric acid, tetrapotassium salt (CAS: 7320-34-5)?

Diphosphoric acid, tetrapotassium salt (CAS: 7320-34-5) is a white, crystalline solid with the chemical formula K4P2O7. It is highly soluble in water and exhibits acidic properties. This compound is commonly used as a buffering agent and chelating agent in various industries. Its stability and reactivity make it valuable in chemical processes requiring pH control and ion binding.

What are the main uses of Diphosphoric acid, tetrapotassium salt (CAS: 7320-34-5)?

Diphosphoric acid, tetrapotassium salt (CAS: 7320-34-5) is primarily used in pharmaceuticals as a stabilizer, in agriculture for fertilizer formulations, and in industrial applications like water treatment. It serves as an acidulant in food processing and is essential in research for pH adjustment and analytical chemistry. Its versatility in buffering and chelation makes it a key component in multiple sectors.

Is Diphosphoric acid, tetrapotassium salt (CAS: 7320-34-5) safe?

Diphosphoric acid, tetrapotassium salt (CAS: 7320-34-5) is generally considered safe when handled properly. It has low toxicity but may cause skin and eye irritation. Safety precautions include wearing protective gloves, goggles, and ensuring adequate ventilation. Compliance with OSHA and EPA guidelines is recommended, and a safety data sheet (SDS) should be consulted for detailed handling protocols.

How should Diphosphoric acid, tetrapotassium salt (CAS: 7320-34-5) be stored?

Store Diphosphoric acid, tetrapotassium salt (CAS: 7320-34-5) in a cool, dry place (below 25°C) in airtight containers to prevent moisture absorption. Keep it away from light and ensure proper ventilation. Avoid exposure to incompatible substances. This compound is stable under normal conditions but should be stored in a sealed container to maintain its integrity and safety.