Merck

1.04871

SAFC

Potassium dihydrogen phosphate

crystalline, EMPROVE® ESSENTIAL, Ph. Eur., BP, JPC, NF, E 340

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Synonym(s):
Potassium phosphate monobasic, mono-Potassium orthophosphate, Potassium biphosphate, Potassium phosphate monobasic, Monopotassium phosphate, Potassium dihydrogen phosphate, prim.-Potassium phosphate
Linear Formula:
KH2PO4
CAS Number:
Molecular Weight:
136.09
MDL number:
E Number:
E340
EC Index Number:
231-913-4

Agency

BP
JPC
NF
Ph. Eur.

Quality Level

product line

EMPROVE® ESSENTIAL

Assay

≥99.0% dry basis (alkalimetric)
98.0-100.5% (alkalimetric)

form

crystalline
solid

pH

4.2-4.6 (20 °C, 20 g/L in H2O)

mp

252.6 °C (lit.)

solubility

208 g/L

density

2.338 g/mL at 25 °C (lit.)

application(s)

liquid formulation
ophthalmics
pharmaceutical
solid formulation

storage temp.

2-30°C

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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1 of 4

This Item
1.370391551139PHR1330
Potassium dihydrogen phosphate crystalline, EMPROVE® ESSENTIAL, Ph. Eur., BP, JPC, NF, E 340

1.04871

Potassium dihydrogen phosphate

Potassium dihydrogen phosphate crystalline, EMPROVE® EXPERT, Ph. Eur., BP, JPC, NF

1.37039

Potassium dihydrogen phosphate

Monobasic potassium phosphate United States Pharmacopeia (USP) Reference Standard

1551139

Monobasic potassium phosphate

Monobasic Potassium Phosphate Pharmaceutical Secondary Standard; Certified Reference Material

PHR1330

Monobasic Potassium Phosphate

solubility

208 g/L

solubility

-

solubility

-

solubility

-

assay

≥99.0% dry basis (alkalimetric), 98.0-100.5% (alkalimetric)

assay

≥99.0% dry basis (alkalimetric), 98.0-100.5% (alkalimetric)

assay

-

assay

-

Quality Level

500

Quality Level

500

Quality Level

-

Quality Level

300

mp

252.6 °C (lit.)

mp

252.6 °C (lit.)

mp

252.6 °C (lit.)

mp

252.6 °C (lit.)

pH

4.2-4.6 (20 °C, 20 g/L in H2O)

pH

4.2-4.6 (20 °C, 20 g/L in H2O)

pH

-

pH

-

General description

Finding the right excipient that matches your needs as well as regulatory demands can be a complicated challenge in formulation. With our application know-how and regulatory expertise, we support you in every step of development, scale-up, and production.
As part of our Emprove® Program, our raw materials are offered with extensive documentation facilitating compliance of your pharma and biopharma product, full supply chain transparency and risk mitigation. Our SAFC® portfolio of high-quality products for biopharmaceutical and pharmaceutical formulation and production withstands strict quality control procedures and is produced according to applicable cGMP guidelines.

Application

Potassium hydrogen phosphate is a commonly used ingredient in both food and pharmaceutical applications. In pharmaceutical applications, potassium hydrogen phosphate is primarily used as a buffering agent.

Legal Information

Emprove is a registered trademark of Merck KGaA, Darmstadt, Germany
SAFC is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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