Skip to Content
MilliporeSigma
All Photos(3)

Documents

255793

Sigma-Aldrich

Sodium phosphate dibasic

99.95% trace metals basis

Synonym(s):

sec-Sodium phosphate, Disodium hydrogen phosphate, Disodium phosphate, Sodium hydrogenphosphate

Sign Into View Organizational & Contract Pricing
All Photos(3)

About This Item

Linear Formula:
Na2HPO4
CAS Number:
7558-79-4
Molecular Weight:
141.96
EC Number:
231-448-7
MDL number:
MFCD00003496
UNSPSC Code:
12352302
eCl@ss:
38070211
PubChem Substance ID:
24855481
NACRES:
NA.23

assay

99.95% trace metals basis

form

solid

impurities

≤550.0 ppm Trace Metal Analysis

pH

8.9-9.2 (25 °C, 50 g/L in water)

pKa (25 °C)

(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)

solubility

water: soluble

SMILES string

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

InChI

1S/2Na.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2

InChI key

BNIILDVGGAEEIG-UHFFFAOYSA-L

Looking for similar products? Visit Product Comparison Guide

Application

Sodium phosphate dibasic is widely used to prepare phosphate buffer for mobilephase for HPLC and cell separation techniques.

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Kaisorn L Chaichana et al.
Journal of neuroscience methods, 180(1), 116-125 (2009-05-12)
The discoveries of neural (NSCs) and brain tumor stem cells (BTSCs) in the adult human brain and in brain tumors, respectively, have led to a new era in neuroscience research. These cells represent novel approaches to studying normal phenomena such
Janelle M Spinazzola et al.
Human molecular genetics, 24(9), 2470-2481 (2015-01-22)
Loss of gamma-sarcoglycan (γ-SG) induces muscle degeneration and signaling defects in response to mechanical load, and its absence is common to both Duchenne and limb girdle muscular dystrophies. Growing evidence suggests that aberrant signaling contributes to the disease pathology; however
Natalie K Binder et al.
Molecular human reproduction, 21(5), 424-434 (2015-03-04)
The rate of obesity among men of reproductive age has tripled in the last three decades. Previously, we demonstrated that paternal obesity resulted in impaired preimplantation developmental kinetics, compromised post-compaction metabolism and decreased blastocyst cell number when embryos were generated
Megan A Rees et al.
Journal of proteome research, 14(1), 120-132 (2014-10-21)
Interactions between a host and a bacterial pathogen are mediated by cross-talk between molecules present on, or secreted by, pathogens and host binding-molecules. Identifying proteins involved at this interface would provide substantial insights into this interaction. Although numerous studies have
Filis Kazazi-Hyseni et al.
Pharmaceutical research, 31(10), 2844-2856 (2014-05-16)
The aim of this study was the development of poly(D,L-lactide-co-glycolide) (PLGA) microspheres with controlled porosity, to obtain microspheres that afford continuous release of a macromolecular model compound (blue dextran). PLGA microspheres with a size of around 40 μm and narrow size
View All Related Papers

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