RDD007
Sodium phosphate monobasic
anhydrous, free-flowing, Redi-Dri™, ≥99.0%
Synonym(s):
Monosodium dihydrogen orthophosphate, Monosodium phosphate, Sodium dihydrogen phosphate
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About This Item
Linear Formula:
NaH2PO4
CAS Number:
Molecular Weight:
119.98
NACRES:
NA.25
PubChem Substance ID:
UNSPSC Code:
12161700
EC Number:
231-449-2
MDL number:
grade
anhydrous
Quality Level
product line
Redi-Dri™
assay
≥99.0%
form
powder
quality
free-flowing
pH
4.0-4.5 (25 °C, 50 g/L in water)
pKa (25 °C)
(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
application(s)
PFAS testing
SMILES string
[Na+].OP(O)([O-])=O
InChI
1S/Na.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
InChI key
AJPJDKMHJJGVTQ-UHFFFAOYSA-M
General description
Sodium phosphate is a salt of sodium hydroxide and phosphoric acid. It is commonly used in buffers for molecular biology applications. It can also be used as a catalyst in some organic reactions.
Application
Sodium phosphate monobasic can be used:
- As a catalyst in the synthesis of non-ionic surfactants used for adhesive and detergent applications.
- As a component of phosphate buffer saline (PBS buffer) used in the study of glucose biosensor.
Legal Information
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
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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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Articles
Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.