P3786
Potassium phosphate dibasic
ACS reagent, ≥98%
Synonym(s):
Dipotassium hydrogenphosphate, Dipotassium phosphate, sec.-Potassium phosphate
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About This Item
Linear Formula:
K2HPO4
CAS Number:
Molecular Weight:
174.18
UNSPSC Code:
12352302
PubChem Substance ID:
eCl@ss:
38070212
NACRES:
NA.21
EC Number:
231-834-5
MDL number:
Assay:
≥98%
Grade:
ACS reagent
Form:
powder
Solubility:
water: soluble (completely)
grade
ACS reagent
Quality Segment
agency
suitable for SM 5210
assay
≥98%
form
powder
impurities
≤0.001% Nitrogen compounds (as N), ≤0.01% Insoluble matter
loss
≤1.0% loss on drying, 105°C
pH
8.5-9.6 (25 °C, 5% in solution)
solubility
water: soluble (completely)
anion traces
chloride (Cl-): ≤0.003%, sulfate (SO42-): ≤0.005%
cation traces
Fe: ≤0.001%, Na: ≤0.05%, heavy metals: ≤5 ppm (by ICP-OES)
SMILES string
[K+].[K+].OP([O-])([O-])=O
InChI
1S/2K.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2
InChI key
ZPWVASYFFYYZEW-UHFFFAOYSA-L
Application
Potassium phosphate dibasic has been used in the preparation of MMG (maltose, methyl green) medium, phosphate buffered saline and hypotonic solution.
Other Notes
Legal Information
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
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Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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