Merck
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S0876

Sigma-Aldrich

Sodium phosphate dibasic

ReagentPlus®, ≥99.0%

Synonym(s):
sec-Sodium phosphate, Disodium hydrogen phosphate, Disodium phosphate, Sodium hydrogenphosphate
Linear Formula:
Na2HPO4
CAS Number:
Molecular Weight:
141.96
EC Number:
MDL number:
eCl@ss:
38070211
PubChem Substance ID:
NACRES:
NA.25

Quality Level

product line

ReagentPlus®

Assay

≥99.0%

form

powder or crystals

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 100 mg/mL

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

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1 of 4

This Item
7163671642RDD022
product line

ReagentPlus®

product line

BioUltra

product line

-

product line

ReagentPlus®, Redi-Dri

assay

≥99.0%

assay

≥99.5% (T)

assay

≥98.0% (T)

assay

≥99.0%

form

powder or crystals

form

coarse powder, fine crystals

form

powder

form

powder

pH

8.9-9.2 (25 °C, 50 g/L in water)

pH

8.8-9.4 (25 °C, 0.5 M in H2O)

pH

8.8-9.4 (25 °C, 50 mg/mL in H2O)

pH

8.9-9.2 (25 °C, 50 g/L in water)

solubility

water: soluble 100 mg/mL

solubility

H2O: 0.5 M at 20 °C, clear, colorless

solubility

water: soluble 50 mg/mL at 25 °C

solubility

water: 100 mg/mL, clear, colorless

Quality Level

200

Quality Level

200

Quality Level

300

Quality Level

100

Application

Sodium phosphate dibasic has been used in the establishment of epithelial cell lines from individual rabbit lenses.

Legal Information

ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC

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

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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