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Potassium sulfate
Product Details
Category
Buffering Agents
Molecular Formula
K2O4S
CAS Number
7778-80-5
Purity
0.98
Quality Level
200
Storage
Store at RT.
Boiling Point
1689°C
Melting Point
1067°C
Density
2.662 g/cm3
Product Description
Potassium sulfate (K2SO4)is a colorless compound having rhombic or hexagonal crystals. It readily forms double salts with the sulfate of trivalent metals, which are known as Alums. It also forms double salts with calcium, magnesium and sodium sulfates. It is widely employed as a fertilizer. K2SO4 can be extracted from various complex salts in nature, such as Kainite, langbeinite and carpathein mineral ores. It can be synthesized by reacting KCl and sulfuric acid, via Mannheim process.
EC Number
231-915-5
Molecular Weight (g/mol)
174.259
Flash Point
1689°C
Physical State
Powder
MDL number
MFCD00011388
NACRES
NB.24
InChI Key
OTYBMLCTZGSZBG-UHFFFAOYSA-L
SMILES
[K+].[K+].[O-]S([O-])(=O)=O
InChI
1S/2K.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
Stability
Stable.
Safety Statements
22-24/25
WGK Germany
1
RTECS
TT5900000
HS Code
31043000
Color
White Crystalline
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