Merck
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RDD019

Sigma-Aldrich

Potassium phosphate tribasic

anhydrous, free-flowing, Redi-Dri, reagent grade, ≥98%

Synonym(s):
Tripotassium phosphate
Linear Formula:
K3PO4
CAS Number:
Molecular Weight:
212.27
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.25

Quality Level

grade

anhydrous
reagent grade

product line

Redi-Dri

assay

≥98%

form

crystalline

quality

free-flowing

loss

≤5.0% loss on ignition

pH

11.9 (25 °C, 10 g/L)

solubility

water: 100 mg/mL, clear, colorless

density

2.564 g/mL at 25 °C (lit.)

SMILES string

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

InChI

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

InChI key

LWIHDJKSTIGBAC-UHFFFAOYSA-K

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Related Categories

Packaging

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

Legal Information

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

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Certificate of Analysis

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Certificate of Origin

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