Sodium phosphate A water-soluble reagent widely used as a cleaning agent and often used in the formulation of various buffers

Sodium phosphate (CAS 7601-54-9)

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Synonym: Trisodium phosphate; TSP
Application: A water-soluble reagent widely used as a cleaning agent and often used in the formulation of various buffers
CAS Number: 7601-54-9
Purity: ≥98%
Molecular Weight: 163.94
Molecular Formula: Na3PO4
* Refer to Certificate of Analysis for lot specific data (including water content).
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Sodium phosphate (TSP) is water-soluble and widely used as a cleaning agent. The pH of a 1% solution is typically around 12, making this reagent sufficiently alkaline for saponification of grease and oils. Often used in the formulation of various buffers; complementary buffer components may include: Sodium phosphate monobasic (sc-215883; sc-251042), Sodium phosphate dibasic (sc-203277; sc-236917) or Potassium Phosphate, Dibasic (sc-203210). Trisodium phosphate is used in the isolation of mycobacteria, including culturing of tubercle bacilli. It has been used as a protein precipitant in certain applications and in co-precipitation and fractionization of nucleotides. Sodium phosphate may be used for the preservation of biologically active soil samples. Because of the alkaline pH, TSP disrupts cytoplasmic and outer membranes of Salmonella enterica cells making it useful in preventing the spread of bacteria.
Also available: Sodium phosphate tribasic dodecahydrate (sc-203403).


References

1. Armstrong, A.R. 1948. Can Med Assoc J. 59: 73. PMID: 18864250
2. Martin, M.E., et al. 1968. Appl Microbiol. 16: 506-508. PMID: 4967759
3. Chan, P.S. and Lin, M.C. 1974. Meth. Enzymol. 38: 38-41. PMID: 4375771
4. MacGregor, C.H. 1978. Meth. Enzymol. 53: 347-355. PMID: 362126
5. Sampathkumar, B., et al. 2003. Appl. Environ. Microbiol. 69: 122-129. PMID: 12513986
6. Rosell, M., et al. 2006. J Chromatogr A. 1132: 28-38. PMID: 16904119

Physical State :
Solid
Solubility :
Soluble in water (121 mg/ml at 20° C).
Storage :
Store at room temperature
Melting Point :
1583° C (lit.)
Density :
1.62 g/cm3 at 20° C
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
WGK Germany :
1
RTECS :
TC9490000
PubChem CID :
24243
Merck Index :
14: 8662
MDL Number :
MFCD00003510
EC Number :
231-509-8
SMILES :
[O-]P(=O)([O-])[O-].[Na+].[Na+].[Na+]

Download SDS (MSDS)

Certificate of Analysis

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