12658
硫酸钾
meets analytical specification of Ph. Eur., 99-101%
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线性分子式:
K2SO4
化学文摘社编号:
分子量:
174.26
UNSPSC Code:
12352302
PubChem Substance ID:
EC Number:
231-915-5
MDL number:
Assay:
99-101%
Form:
solid
Solubility:
boiling water: soluble 1 gm in 4 ml, glycerol: soluble 1 gm in 75 ml, water: soluble 1 gm in 8.3 ml, alcohol: insoluble
InChI key
OTYBMLCTZGSZBG-UHFFFAOYSA-L
InChI
1S/2K.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
SMILES string
[K+].[K+].[O-]S([O-])(=O)=O
assay
99-101%
form
solid
quality
meets analytical specification of Ph. Eur.
impurities
acidity or alkalinity, in accordance, residual solvents, complies, ≤0.001% heavy metals (as Pb)
loss
≤0.5% loss on drying, 130 °C
solubility
boiling water: soluble 1 gm in 4 ml, glycerol: soluble 1 gm in 75 ml, water: soluble 1 gm in 8.3 ml, alcohol: insoluble
anion traces
chloride (Cl-): ≤20 mg/kg
cation traces
As: ≤2 mg/kg, Ca: ≤50 mg/kg, Fe: ≤10 mg/kg, Mg: ≤20 mg/kg, Na: ≤100 mg/kg
suitability
in accordance for appearance of solution
Quality Level
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存储类别
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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