567547
Sodium phosphate dibasic
Molecular Biology Grade; Useful in conjunction with Sodium Phosphate, Monobasic in the preparation of biological buffers.
Synonym(s):
Sodium phosphate dibasic, Sodium Phosphate, Dibasic, sec-Sodium phosphate, Disodium hydrogen phosphate, Disodium phosphate, Sodium hydrogenphosphate, Na2HPO4
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About This Item
description
Merck USA index - 14, 8659
Quality Level
assay
≥98.5% (titration)
form
solid
manufacturer/tradename
Calbiochem®
storage condition
OK to freeze, desiccated (hygroscopic)
color
white
pKa (25 °C)
(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
solubility
water: 10%
cation traces
heavy metals (as Pb): ≤0.001%
absorption
≤0.01 at 260 nm, ≤0.01 at 280 nm
foreign activity
DNases, proteases, RNases, none detected
shipped in
ambient
storage temp.
10-30°C
InChI
1S/2Na.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2
InChI key
BNIILDVGGAEEIG-UHFFFAOYSA-L
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Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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