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About This Item
Linear Formula:
NaH2PO4 · H2O
CAS Number:
Molecular Weight:
137.99
UNSPSC Code:
12352302
NACRES:
NA.25
MDL number:
grade
Molecular Biology
Quality Level
description
Merck USA index - 14, 8660
assay
≥99% (titration)
form
crystalline solid
manufacturer/tradename
Calbiochem®
storage condition
OK to freeze, desiccated (hygroscopic)
color
white
pKa (20 °C)
7.21
solubility
water: 14 mg/mL
cation traces
heavy metals: ≤0.001%, 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+].[H]O[H].OP(O)([O-])=O
InChI
1S/Na.H3O4P.H2O/c;1-5(2,3)4;/h;(H3,1,2,3,4);1H2/q+1;;/p-1
InChI key
BBMHARZCALWXSL-UHFFFAOYSA-M
General description
Useful in conjuction with sodium phosphate, dibasic (Cat. No. 567550) in the preparation of biological buffers(absorbance: ≤0.01 at 260 nm and 280 nm).
Useful in conjunction with Sodium Phosphate, Dibasic (Cat. No. 567550 or 567547) in the preparation of biological buffers.
Preparation Note
Following reconstitution, store at room temperature. Stock solutions are stable for up to 6 months at room temperature.
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
Disclaimer
Toxicity: Standard Handling (A)
Storage Class
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| 567549-1KG | 04055977266726 |
| 567549-250GM | 04055977266733 |