567545
Sodium Phosphate, Monobasic
ACS Reagent Grade. Useful in conjunction with Sodium Phosphate, Dibasic in the preparation of biological buffers.
Synonym(s):
Sodium phosphate monobasic monohydrate, Monosodium phosphate, Sodium dihydrogen phosphate monohydrate, NaH2PO4
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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
ACS reagent
Quality Level
description
Merck USA index - 14, 8660
assay
≥98% (by assay)
form
solid
manufacturer/tradename
Calbiochem®
storage condition
OK to freeze
color
white
pKa (20 °C)
7.21
solubility
water: soluble
cation traces
heavy metals: ≤0.001%
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
ACS Reagent Grade. Useful in conjunction with Sodium Phosphate, Dibasic (Cat. No. 567550 or 567547) in the preparation of biological buffers. Has a pH of 4.1-4.5.
Preparation Note
Following reconstitution, store at room temperature. Stock solutions are stable for several 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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