Merck
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P5504

Sigma-Aldrich

Potassium phosphate dibasic trihydrate

ReagentPlus®, ≥99.0%

Synonym(s):
Dipotassium hydrogen phosphate trihydrate, Dipotassium phosphate, di-Potassium hydrogen phosphate trihydrate
Linear Formula:
K2HPO4 · 3H2O
CAS Number:
Molecular Weight:
228.22
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.25

Quality Level

product line

ReagentPlus®

Assay

≥99.0%

form

powder or crystals

pH

9.2-9.4 (25 °C, 50 g/L)

solubility

water: 100 mg/mL, clear, colorless

storage temp.

room temp

SMILES string

O.O.O.[K+].[K+].OP([O-])([O-])=O

InChI

1S/2K.H3O4P.3H2O/c;;1-5(2,3)4;;;/h;;(H3,1,2,3,4);3*1H2/q2*+1;;;;/p-2

InChI key

XQGPKZUNMMFTAL-UHFFFAOYSA-L

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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

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Certificate of Origin

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