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Sigma-Aldrich 221325 Potassium sulfate ACS reagent, ≥99.0%, powder or crystals 2.5 kg

Kategori
Stok Kodu
LB.SA.221325-2.5KG
Kısa Bilgi
Linear Formula: K2SO4 CAS Number: 7778-80-5 Molecular Weight: 174.26 EC Number: 231-915-5 MDL number: MFCD00011388 PubChem Substance ID: 329752258 NACRES: NB.24
Sigma-Aldrich 221325 Potassium sulfate ACS reagent, ≥99.0%, powder or crystals
Linear Formula: K2SO4
CAS Number: 7778-80-5
Molecular Weight: 174.26
EC Number: 231-915-5
MDL number: MFCD00011388
PubChem Substance ID: 329752258
NACRES: NB.24
Sigma-Aldrich 221325 Potassium sulfate ACS reagent, ≥99.0%, powder or crystals  
PROPERTIES
grade ACS reagent 
Assay ≥99.0% 
form powder or crystals 
impurities
≤0.01% insolubles
≤5 ppm N compounds 
pH 5.5-5.8 (25 °C, 5%) 
anion traces
chloride (Cl-): ≤0.001% 
cation traces
Ca: ≤0.01%
Fe: ≤5 ppm
Mg: ≤0.005%
Na: ≤0.02%
heavy metals: ≤5 ppm (by ICP) 
SMILES string [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 
InChI key OTYBMLCTZGSZBG-UHFFFAOYSA-L
 
DESCRIPTION
General description
Potassium sulfate is a water-soluble inorganic salt that is commonly used in fertilizers. It can be prepared by reacting phosphogypsum and potassium chloride.[1] K2SO4 can form needle-like mullite particles on heating with aluminum sulfate and silicon dioxide.[2] Its application to the soil has shown to minimize bronzing of rice plants.[3]
Application
Potassium sulfate may be used as a sulfonating agent in the preparation of 4′-dibenzo-18-crown-6-sulfonic acid via sulfonation of dibenzo-18-crown-6.[4]
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Sigma-Aldrich 221325 Potassium sulfate ACS reagent, ≥99.0%, powder or crystals
Sigma-Aldrich 221325 Potassium sulfate ACS reagent, ≥99.0%, powder or crystals 2.5 kg Linear Formula: K2SO4 CAS Number: 7778-80-5, Molecular Weight: 174.26 EC Number: 231-915-5, MDL number: MFCD00011388, PubChem Substance ID: 329752258 LB.SA.221325-2.5KG
Sigma-Aldrich 221325 Potassium sulfate ACS reagent, ≥99.0%, powder or crystals 2.5 kg

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