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Merck
CN

S0751

Sodium phosphate monobasic

ReagentPlus®, ≥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
PubChem Substance ID:
eCl@ss:
38070208
UNSPSC Code:
12161700
NACRES:
NA.21
EC Number:
231-449-2
MDL number:
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Product Name

Sodium phosphate monobasic, ReagentPlus®, ≥99.0%

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

SMILES string

[Na+].OP(O)([O-])=O

product line

ReagentPlus®

assay

≥99.0%

form

powder or crystals

technique(s)

DNA extraction: suitable
electrophoresis: suitable
immunocytochemistry: suitable

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)

solubility

water: 100 mg/mL, clear, colorless

application(s)

detection

Quality Level

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Application

Sodium phosphate monobasic has been used:
  • as a reagent for virus transfection and fiber implantation in mouse
  • in phosphate buffer for immunocytochemistry and to detect individual catalase activity by PAGE (polyacrylamide gel electrophoresis)
  • as a buffer for cycling assay
  • in automated DNA extraction method
  • as a chemical in artificial cerebro-spinal fluid (aCSF) solution for the preparation of brainstem-spinal cord from rats

General description

Sodium phosphate monobasic acts as an acidulant in laxatives and effervescent powders. It is used in beverages, cheese and soft drink formulations.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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In vitro Brainstem-spinal Cord Preparation from Newborn Rat
Le Gal JP, et al.
The Journal of Neuroscience (2016)
Two Different Methods of Quantification of Oxidized Nicotinamide Adenine Dinucleotide (NAD+) and Reduced Nicotinamide Adenine Dinucleotide (NADH) Intracellular Levels: Enzymatic Coupled Cycling Assay and Ultra-performance Liquid Chromatography (UPLC)-Mass Spectrometry
Kanamori KS, et al.
Bio-protocol, 8(14) (2018)
Dictionary of Food ingredients (2001)
Mild blast injury produces acute changes in basal intracellular calcium levels and activity patterns in mouse hippocampal neurons
Hansen KR, et al.
Journal of Neurotrauma, 35(13), 1523-1536 (2018)
Detection of Catalase Activity by Polyacrylamide Gel Electrophoresis (PAGE) in Cell Extracts from Pseudomonas aeruginosa
Pezzoni M, et al.
Microbiology (2016)

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