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P8281

Sigma-Aldrich

Potassium phosphate dibasic

reagent grade, ≥98.0%

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Synonym(s):
Dipotassium hydrogenphosphate, Dipotassium phosphate, sec.-Potassium phosphate
Linear Formula:
K2HPO4
CAS Number:
Molecular Weight:
174.18
EC Number:
MDL number:
eCl@ss:
38070212
PubChem Substance ID:
NACRES:
NA.25

grade

reagent grade

Quality Level

Assay

≥98.0%

form

powder

pH

8.7-9.3 (25 °C, 50 g/L)

solubility

water: 200 mg/mL, clear to slightly hazy, colorless

SMILES string

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

InChI

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

InChI key

ZPWVASYFFYYZEW-UHFFFAOYSA-L

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This Item
P378679549660356
Potassium phosphate dibasic reagent grade, ≥98.0%

P8281

Potassium phosphate dibasic

Essential Grade
Potassium phosphate dibasic ACS reagent, ≥98%

P3786

Potassium phosphate dibasic

-
Potassium phosphate dibasic anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥98%

795496

Potassium phosphate dibasic

-
Potassium phosphate dibasic puriss. p.a., ACS reagent, anhydrous, ≥99.0% (T)

60356

Potassium phosphate dibasic

Essential Grade
assay

≥98.0%

assay

≥98%

assay

≥98%

assay

≥99.0% (T)

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

300

form

powder

form

powder

form

powder

form

powder or crystals

pH

8.7-9.3 (25 °C, 50 g/L)

pH

8.5-9.6 (25 °C, 5% in solution)

pH

8.5-9.6 (25 °C, 5% in solution)

pH

8.5-9.6 (25 °C, 50 mg/mL in H2O)

solubility

water: 200 mg/mL, clear to slightly hazy, colorless

solubility

-

solubility

-

solubility

-

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

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