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1551139

USP

Monobasic potassium phosphate

United States Pharmacopeia (USP) Reference Standard

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

grade

pharmaceutical primary standard

API family

monobasic potassium phosphate

manufacturer/tradename

USP

pKa (25 °C)

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

mp

252.6 °C (lit.)

density

2.338 g/mL at 25 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

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

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This Item
NIST2186IP066260220
vibrant-m

1551139

Monobasic potassium phosphate

-
vibrant-m

NIST2186I

Potassium phosphate monobasic

-
vibrant-m

P0662

Potassium phosphate monobasic

-
vibrant-m

60220

Potassium phosphate monobasic

Essential Grade
manufacturer/tradename

USP

manufacturer/tradename

NIST®

manufacturer/tradename

-

manufacturer/tradename

-

application(s)

pharmaceutical (small molecule)

application(s)

general analytical

application(s)

-

application(s)

-

format

neat

format

neat

format

-

format

-

API family

monobasic potassium phosphate

API family

-

API family

-

API family

-

pKa (25 °C)

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

pKa (25 °C)

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

pKa (25 °C)

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

pKa (25 °C)

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

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Monobasic potassium phosphate USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia.

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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