High Quality METHYLTHYMOL BLUE CAS 1945-77-3

METHYLTHYMOL BLUE CAS 1945-77-3 Supplier in China 

CAS No.: 1945-77-3

C37H40N2Na4O13S=844.74

High grade

Content: ≥ 60.0%

PH range: 6.0 (yellow) ~ 7.6 (blue)

Description: dark purple to purple black powder. Soluble in water, insoluble in absolute ethanol and ether. The aqueous solution is blue, the acidic solution is yellow, the pH is 6.5-8.5 is light blue, 10.5-11.6 is gray, and above 12.7 is dark blue. There are also three sodium salt and five sodium salt

Purpose: biochemical research. Complex indicator. Metal titration indicator. The color reagents of Al3 +, Ca2 +, Mg2 +, Hf4 +, NBO and Ti4 + were determined by spectrophotometry, and the metal indicators of Zr4 +, Bi3 +, Mg2 +, SC3 +, Cu2 + were determined by titration.