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
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
250 g | Check Cart for Availability | $69.80 |
1 kg | Check Cart for Availability | $225.00 |
About This Item
description
Merck USA index - 14, 8659
Quality Segment
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
SMILES string
[Na+].[Na+].[H]OP([O-])([O-])=O
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
General description
Legal Information
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This Item | |||
|---|---|---|---|
| description Molecular Biology Grade; Useful in conjunction with Sodium Phosphate, Monobasic in the preparation of biological buffers. | description BioXtra, ≥99.0% | description Molecular Biology, ≥98.5% (titration) | description puriss., meets analytical specification of Ph. Eur., BP, USP, anhydrous, 98-100.5% (calc. to the dried substance) |
| assay ≥98.5% (titration) | assay ≥99.0% | assay ≥98.5% (titration) | assay 98-100.5% (calc. to the dried substance) |
| Quality Level 100 | Quality Level 200 | Quality Level 300 | Quality Level 200 |
| form solid | form powder or crystals | form powder | form powder |
| storage temp. 10-30°C | storage temp. - | storage temp. - | storage temp. - |
| solubility water: 10% | solubility H2O: 1 M at 20 °C, clear, colorless | solubility H2O: 100 mg/mL | solubility H2O: soluble 8 parts, H2O: very soluble (Hot), alcohol: insoluble |
| storage condition desiccated (hygroscopic), OK to freeze | storage condition - | storage condition - | storage condition - |
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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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