Skip to Content
Merck
All Photos(3)

Key Documents

342483

Sigma-Aldrich

Sodium phosphate

96%

Synonym(s):

Sodium orthophosphate, Trisodium phosphate

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
Na3PO4
CAS Number:
Molecular Weight:
163.94
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.23
form:
solid
solubility:
H2O: slightly soluble(lit.)

Quality Level

Assay

96%

form

solid

mp

1583 °C (lit.)

solubility

H2O: slightly soluble(lit.)

SMILES string

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

InChI

1S/3Na.H3O4P/c;;;1-5(2,3)4/h;;;(H3,1,2,3,4)/q3*+1;/p-3

InChI key

RYFMWSXOAZQYPI-UHFFFAOYSA-K

Looking for similar products? Visit Product Comparison Guide

General description

Sodium phosphate is a colorless to white crystalline powder or granules. It is prepared by neutralization of phosphoric acid under controlled conditions with sodium hydroxide or sodium carbonate .

Application

Sodium phosphate is used as a:
  • component in the preparation of solid crystals of calcium hydroxyapatite substituted by strontium
  • block buffer to study segmental and subcellular distribution of CFTR in the kidney

Other general uses are as pH control agent, water hardness precipitation, laboratory reagent, phosphatizing reagent.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

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

Visit the Document Library

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