SX0723
Sodium phosphate dibasic
anhydrous, HPLC, Meets ACS Specifications
Synonym(s):
Disodium Hydrogen Phosphate, Anhydrous, Disodium Hydrogen Phosphate, sec-Sodium phosphate, Disodium hydrogen phosphate, Disodium phosphate, Sodium hydrogenphosphate
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About This Item
Product Name
Sodium phosphate dibasic, anhydrous, HPLC, Meets ACS Specifications
InChI
1S/2Na.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2
SMILES string
[Na+].[Na+].[H]OP([O-])([O-])=O
InChI key
BNIILDVGGAEEIG-UHFFFAOYSA-L
grade
ACS reagent
assay
≥99.0%
form
crystalline powder
technique(s)
HPLC: suitable
impurities
≤0.01% Insoluble matter
loss
≤0.2% loss on drying
pH
8.7-9.3 (20 °C, 10 g/L in H2O)
pKa (25 °C)
(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
mp
250 °C (decomposition)
solubility
77 g/L
anion traces
chloride (Cl-): ≤0.002%
sulfate (SO42-): ≤0.005%
cation traces
Fe: ≤0.002%
heavy metals (as Pb): ≤0.001%
UV absorption
λ: 280 nm Amax: ≤0.05
shipped in
ambient
storage temp.
room temp
Quality Level
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Analysis Note
Application
Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Regulatory Information
Certificates of Analysis (COA)
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