Dipotassium sulfate

Basic Information

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CAS Number

7778-80-5

Molecular Formula

K2O4S

Molecular Weight

174.26 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

1067 ºC

Boiling Point

1689°C

Density

2.662

Water Solubility

110 g/L (20 ºC)

Flash Point

1689°C

Solubility

H2O: 0.5 M at 20 °C, clear, colorless

Refractive Index

INDEX OF REFRACTION: 1.494, 1.495, 1.497

SMILES

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[O-]S(=O)(=O)[O-].[K+].[K+]

InChI

InChI=1S/2K.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2

InChIKey

OTYBMLCTZGSZBG-UHFFFAOYSA-L

LogP

-0.25720

Complexity

62.2

Safety Information

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Stability

Stable.

Sensitiveness

对湿度敏感

Synonyms & References

English

Potassium sulfate
Arcanum duplicatum
dipotassiumsulfate
Glazier's salt
K2SO4
kaliumsulphuricum
Potassium sulfate, alpha
potassiumsulfate(2:1)
Potassium sulfate(VI)
POTASSIUM SULFATE, ANHYDROUS
Potassium Sulphate
ACS
Kalii sulfas
Kaliumsulfat
KJELTABS IB 61
PotassiuM in PotassiuM SuIfate
PotassiuM sodiuM tartrate tetrahydrate
salpolychrestum
Salt of leMery
Tartarus vitriolatus
Sulfuricacid dipotassium salt (8CI,9CI)
Sulfuric acid potassiumsalt (1:2)
Potassium sulfate (K2(SO4))
Potassium sulfate (K2SO4)
Sulfuric acid, dipotassium salt
Dipotassium sulfate
Sal polychrestum
Tartarusvitriolatus
Sulfuric acid dipotassium salt
Sulfuric acid, potassium salt
Potassiumsulfate

MDL Number

MFCD00011388

Customs Code

3105100090

FAQ

What is Dipotassium sulfate (CAS: 7778-80-5)?

Dipotassium sulfate is a chemical compound with the formula K₂SO₄. It is a white, crystalline solid that is highly soluble in water. This compound is commonly used as a source of potassium ions in various applications. It is non-toxic in its pure form and has a neutral pH, making it suitable for use in food and pharmaceutical industries. Its CAS number is 7778-80-5, and it is often referred to as a potassium salt in chemical contexts.

What are the main uses of Dipotassium sulfate (CAS: 7778-80-5)?

Dipotassium sulfate has diverse applications, including use as a food additive, pharmaceutical excipient, and industrial chemical. It is used in the production of fertilizers, as a buffer in laboratory settings, and in the manufacture of certain ceramics and dyes. Additionally, it serves as a source of potassium in nutritional supplements. Its CAS number, 7778-80-5, ensures accurate identification in chemical databases and product listings.

Is Dipotassium sulfate (CAS: 7778-80-5) safe?

Dipotassium sulfate is generally considered safe when handled properly. It is non-toxic and has minimal health risks under normal conditions. However, direct skin or eye contact should be avoided, and protective gloves or goggles are recommended during handling. It complies with safety standards for use in food and pharmaceuticals, and its CAS number, 7778-80-5, is registered with regulatory agencies to ensure safe application.

How should Dipotassium sulfate (CAS: 7778-80-5) be stored?

Dipotassium sulfate should be stored in a cool, dry, and well-ventilated area away from moisture and direct sunlight. It is stable under normal storage conditions and does not require refrigeration. Use airtight containers to prevent contamination and maintain purity. Its CAS number, 7778-80-5, ensures proper identification and handling in storage and transportation.