MilliporeSigma
All Photos(3)

RDD020

Sigma-Aldrich

Potassium phosphate monobasic

anhydrous, free-flowing, Redi-Dri, ReagentPlus®, ≥99.0% (titration)

Synonym(s):
Monopotassium phosphate, Potassium dihydrogen phosphate, prim.-Potassium phosphate
Linear Formula:
KH2PO4
CAS Number:
Molecular Weight:
136.09
EC Number:
MDL number:
PubChem Substance ID:

grade

anhydrous

Quality Level

product line

ReagentPlus®
Redi-Dri

assay

≥99.0% (titration)

form

crystalline

quality

free-flowing

pKa (25 °C)

(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)

mp

252.6 °C (lit.)

solubility

water: 100 mg/mL, clear, colorless

density

2.338 g/mL at 25 °C (lit.)

SMILES string

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

InChI

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

InChI key

GNSKLFRGEWLPPA-UHFFFAOYSA-M

Looking for similar products? Visit Product Comparison Guide

Related Categories

Packaging

500 g in poly bottle
1 kg in poly bottle
2.5 kg in poly drum
500 g in poly bottle
1 kg in poly bottle
2.5 kg in poly drum

Legal Information

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

Storage Class Code

13 - Non Combustible Solids

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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).

More Documents

SDS

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