Skip to Content
Merck
CN
All Photos(1)

Key Documents

View All Documentation

Safety Information

74056

Sigma-Aldrich

Potassium Phosphate Monobasic solution

BioUltra, 1.5 M in H2O

Synonym(s):

Monopotassium phosphate, Potassium dihydrogen phosphate solution

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

CAS Number:
7778-77-0
MDL number:
MFCD00011401
UNSPSC Code:
12161700

product line

BioUltra

concentration

1.5 M in H2O

impurities

insoluble matter, passes filter test
≤0.001% total nitrogen (N)

pH

4.0-4.5 (20 °C, 1.5 M in H2O)

solubility

H2O: 1.5 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤5 mg/kg
sulfate (SO42-): ≤30 mg/kg

cation traces

Al: ≤1 mg/kg
As: ≤0.1 mg/kg
Ba: ≤1 mg/kg
Bi: ≤1 mg/kg
Ca: ≤5 mg/kg
Cd: ≤1 mg/kg
Co: ≤1 mg/kg
Cr: ≤1 mg/kg
Cu: ≤1 mg/kg
Fe: ≤5 mg/kg
Li: ≤1 mg/kg
Mg: ≤1 mg/kg
Mn: ≤1 mg/kg
Mo: ≤1 mg/kg
Na: ≤100 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Sr: ≤1 mg/kg
Zn: ≤1 mg/kg

λ

1.5 M in H2O

UV absorption

λ: 260 nm Amax: 0.046
λ: 280 nm Amax: 0.040

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

Looking for similar products? Visit Product Comparison Guide

Regulatory Information

新产品

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Sorry, we don't have COAs for this product available online at this time.

If you need assistance, please contact Customer Support.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service