PBFI K+ Salt Documentation

PBFI TMA+ Salt Product Specifications

PBFI is the K+ analog of the Na+ indicator SBFI. Potassium sensitive dye, 1.5 times more selective for potassium ion (K+) than sodium ion (Na+).

Molecular Weight

1175 g/mol

CAS#

124549-11-7

Solubility

Methanol or water

Kd

5 nm

Odor

None

Fire and Explosion Hazards

None

Toxicology Data

Not known

Handling and Storage

Store at -20°C; protect from light and moisture

Shelf Life

Valid for one year after delivery, if stored properly


TLC on Reverse-Phase Plate

Solvent

7:3 Methanol / Water

Rf

solvent front

HPLC

Column

C18

Detector Settings

254 nm and 336 nm

Purity

> 95%

Absorbance Spectrum

Solvent

500mM KCl, 10mM MOPS, pH 7.2

λ max

336 nm ± 3 nm

ε

41,000 M-1cm-1

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