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RDD019

Sigma-Aldrich

Potassium phosphate tribasic

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

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

grade

anhydrous
reagent grade

Quality Level

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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This Item
P5504P5629P9666
Potassium phosphate tribasic anhydrous, free-flowing, Redi-Dri™, reagent grade, ≥98%

RDD019

Potassium phosphate tribasic

Essential Grade
Potassium phosphate tribasic reagent grade, ≥98%

P5629

Potassium phosphate tribasic

Essential Grade
grade

anhydrous, reagent grade

grade

-

grade

reagent grade

grade

for molecular biology

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

200

product line

Redi-Dri

product line

ReagentPlus®

product line

-

product line

-

form

crystalline

form

powder or crystals

form

powder

form

powder or crystals

solubility

water: 100 mg/mL, clear, colorless

solubility

water: 100 mg/mL, clear, colorless

solubility

water: 100 mg/mL, clear, colorless

solubility

water: 100 mg/mL, clear, colorless

Legal Information

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

pictograms

CorrosionExclamation mark

signalword

Danger

Hazard Classifications

Eye Dam. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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