Product Specification and Analysis

 

PRODUCT NAME:

Indo-Mag (Potassium Salt)

 

 

 

C21H14N2O9K4

 

M.W. 595 g/mol

 

Kd =  2.7 mM

 

Store Frozen (-20°C)

 

PROTECT FROM LIGHT

 

Soluble in H2O (pH > 6)

 

DESCRIPTION:

 

Pale yellow solid. Mg2+ indicator with similar spectral response as indo-1.

 

CATALOG NUMBER:

 

0046

 

APPEARANCE:

 

Pale yellow solid

 

TLC :

 

Reverse Phase(C18)

Rf = > 0.9

Purity:  100%

 

ABSORPTION SPECTRUM:

 

l max :   354 nm

Extinction: 33,000 M-1cm-1

 

 

EMISSION:

 

l max (no calcium):   472 nm

l max (high calcium): 406 nm

 

HPLC:

Solvent System:

Column:

 

Purity: >95%

Water/MeOH gradient 40-100%

C18

 

Ref.: