MilliporeSigma
All Photos(7)

Documents

S9638

Sigma-Aldrich

Sodium phosphate monobasic monohydrate

ACS reagent, ≥98%

Sign Into View Organizational & Contract Pricing

Synonym(s):
Monosodium phosphate, Sodium dihydrogen phosphate monohydrate
Linear Formula:
NaH2PO4 · H2O
CAS Number:
Molecular Weight:
137.99
EC Number:
MDL number:
PubChem Substance ID:

grade

ACS reagent

Quality Level

assay

≥98%
98.0-102.0%

form

crystalline

impurities

≤0.01% Insoluble matter

pH

4.1-4.5 (25 °C, 5% in solution)

anion traces

chloride (Cl-): ≤5 ppm
sulfate (SO42-): ≤0.003%

cation traces

Ca: ≤0.005%
Fe: ≤0.001%
K: ≤0.01%
heavy metals: ≤0.001% (by ICP-OES)

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

Looking for similar products? Visit Product Comparison Guide

Related Categories

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
71507S3522567545
vibrant-m

71507

Sodium phosphate monobasic monohydrate

Premium Grade
vibrant-m

S3522

Sodium phosphate monobasic monohydrate

Essential+ Grade
vibrant-m

567545

Sodium Phosphate, Monobasic

Essential Grade
Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

100

form

crystalline

form

crystals

form

powder

form

solid

pH

4.1-4.5 (25 °C, 5% in solution)

pH

4.0-4.5 (25 °C, 1 M in H2O)

pH

4.1-4.5 (25 °C, 5% in solution)

pH

-

grade

ACS reagent

grade

for molecular biology

grade

-

grade

ACS reagent

anion traces

chloride (Cl-): ≤5 ppm, sulfate (SO42-): ≤0.003%

anion traces

chloride (Cl-): ≤5 mg/kg, sulfate (SO42-): ≤30 mg/kg

anion traces

chloride (Cl-): ≤5 ppm, sulfate (SO42-): ≤0.003%

anion traces

-

Application

Sodium phosphate monobasic monohydrate has been used for the preparation of modified Tyrode′s calcium-free buffer, citrate-albumin buffer, lysis buffer for Sf9 cells and phosphate buffer.

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Customers Also Viewed

Protocol for Murine/Mouse Platelets Isolation and Their Reintroduction in vivo.
Im JH and Muschel RJ
Bio-protocol null
?-Aminobutyric Acid Type A (GABAA) Receptor Subunits Play a Direct Structural Role in Synaptic Contact Formation via Their N-terminal Extracellular Domains.
Brown LE, et al.
The Journal of Biological Chemistry, 291, 13926-13926 (2016)
Joanne S Kays et al.
Brain sciences, 9(12) (2019-11-30)
RNA sequencing (RNAseq) can be a powerful tool in the identification of transcriptional changes after drug treatment. RNAseq was utilized to determine expression changes in Fluorescence-activated cell sorted (FACS) CD11b/c+ cells from the striatum (STR) and prefrontal cortex (PFC) of
Rou Jun Toh et al.
Langmuir : the ACS journal of surfaces and colloids, 35(30), 9896-9903 (2019-07-10)
In the last few years, the development of versatile coating chemistries has become a hot topic in surface science after the discovery that catecholamines can lead to conformal coatings upon oxidation from aqueous solutions. Recently, it was found that aminomalononitrile
Peri H Tate et al.
Methods (San Diego, Calif.), 53(4), 331-338 (2011-02-04)
The EUCOMM and KOMP programs have generated targeted conditional alleles in mouse embryonic stem cells for nearly 10,000 genes. The availability of these stem cell resources will greatly accelerate the functional analysis of genes in mice and in cultured cells.

Protocols

To measure alcohol dehydrogenase activity, this assay uses β-nicotinamide adenine dinucleotide phosphate and a continuous spectrophotometric rate determination at 340 nm.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service