Date published: 2025-9-10

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Sodium Phosphate, Dibasic (CAS 7558-79-4)

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Alternate Names:
Sodium Phosphate, Dibasic is also known as Disodium phosphate.
Application:
Sodium Phosphate, Dibasic is reagent with high buffering capacity for molecular biology, biochemistry, and chromatography.
CAS Number:
7558-79-4
Purity:
≥98%
Molecular Weight:
141.96
Molecular Formula:
Na2HPO4
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Sodium Phosphate, Dibasic is a reagent with very high buffering capacity. Sodium Phosphate, Dibasic is widely used in molecular biology, biochemistry and chromatography. Sodium Phosphate, Dibasic is highly hygroscopic and water soluble. Sodium Phosphate, Dibasic is especially useful in conjunction with Sodium Phosphate, Monobasic (sc-202342, sc-215883 or sc-251042) in the preparation of biological buffers. Sodium Phosphate, Dibasic can be used in many applications including the purification of antibodies. Additional forms available: Sodium phosphate dibasic heptahydrate (sc-203402) Sodium phosphate dibasic dihydrate (sc-236917) Sodium phosphate dibasic dodecahydrate (sc-236918) Sodium phosphate dibasic solution (sc-301828)


Sodium Phosphate, Dibasic (CAS 7558-79-4) References

  1. Potassium and sodium chloride ion pairs are presumed to constitute a complex during elution from a Sephadex G-15 column with sodium phosphate buffer.  |  Okada, TK., et al. 2003. J Chromatogr A. 987: 49-55. PMID: 12613796
  2. The caries-inhibiting effect of dibasic sodium phosphate and dibasic calcium phosphate added to wheat flour and bread diets.  |  McCLURE, FJ. and MULLER, A. 1959. J Am Dent Assoc. 58: 36-41. PMID: 13610585
  3. Glomerular calcification induced by bolus injection with dibasic sodium phosphate solution in Sprague-Dawley rats.  |  Tsuchiya, N., et al. 2004. Toxicol Pathol. 32: 408-12. PMID: 15204963
  4. High-Performance Liquid Chromatography Method for the Determination of Folic Acid in Fortified Food Products.  |  Lebiedzińska, A., et al. 2008. Toxicol Mech Methods. 18: 463-467. PMID: 19696945
  5. Meta-analysis: randomized controlled trials of 4-L polyethylene glycol and sodium phosphate solution as bowel preparation for colonoscopy.  |  Juluri, R., et al. 2010. Aliment Pharmacol Ther. 32: 171-81. PMID: 20384609
  6. Muscarinic cholinergic receptor mediated inhibitory transduction of adenylate cyclase activity in subcellular fractions from rat heart: improved detection in sodium phosphate buffer.  |  Jagadeesh, G., et al. 1990. Mol Cell Biochem. 93: 35-45. PMID: 2329994
  7. Kounis Syndrome Secondary to Laxative Administration.  |  Zuluaga-Gómez, M., et al. 2022. Case Rep Med. 2022: 6087176. PMID: 35783461
  8. Compound treatment of thiolated citrus high-methoxyl pectin and sodium phosphate dibasic anhydrous improved gluten network structure.  |  Chen, J., et al. 2023. Food Chem. 404: 134770. PMID: 36332584
  9. Phosphate Loading Does not Improve 30-km Cycling Time-Trial Performance in Trained Cyclists.  |  Pope, H., et al. 2023. Int J Sport Nutr Exerc Metab. 33: 93-101. PMID: 37087103
  10. Influence of histone H1 on chromatin structure.  |  Thoma, F. and Koller, T. 1977. Cell. 12: 101-7. PMID: 561660

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Sodium Phosphate, Dibasic, 500 g

sc-203277
500 g
$56.00

Sodium Phosphate, Dibasic, 1 kg

sc-203277A
1 kg
$173.00

Sodium Phosphate, Dibasic, 2 kg

sc-203277D
2 kg
$234.00

Sodium Phosphate, Dibasic, 5 kg

sc-203277B
5 kg
$373.00

Sodium Phosphate, Dibasic, 10 kg

sc-203277C
10 kg
$576.00