Description: crystalline powder pink, purple or brown.
It is soluble in water, soluble in 95% alcohol, ether, caustic alkali solutions, ammonia and alkali metal carbonates.
Daylight color of the solution from yellow to purple at pH 5,2-6,8.
Description: crystalline powder pink, purple or brown.
It is soluble in water, soluble in 95% alcohol, ether, caustic alkali solutions, ammonia and alkali metal carbonates.
Daylight color of the solution from yellow to purple at pH 5,2-6,8.