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342483

Sigma-Aldrich

Sodium phosphate

96%

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Synonym(s):
Sodium orthophosphate, Trisodium phosphate
Linear Formula:
Na3PO4
CAS Number:
Molecular Weight:
163.94
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

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

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This Item
71650S9763S0876
Sodium phosphate 96%

Sigma-Aldrich

342483

Sodium phosphate

-
Sodium phosphate dibasic ACS reagent, ≥99.0%

Sigma-Aldrich

S9763

Sodium phosphate dibasic

Essential Grade
Sodium phosphate dibasic ReagentPlus®, ≥99.0%

Sigma-Aldrich

S0876

Sodium phosphate dibasic

-
form

solid

form

crystals

form

powder

form

powder or crystals

mp

1583 °C (lit.)

mp

-

mp

-

mp

-

solubility

H2O: slightly soluble(lit.)

solubility

water: soluble 35.8 g/L at 20 °C

solubility

water: 5% at 25 °C, clear

solubility

water: soluble 100 mg/mL

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

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

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