E 1277
Mordant Black 11
1787-61-7
AR / GR
C20H12N3NaO7S
32049000
461.38
Bottle / Drum
18%
Eriochrome Black T is a complexometric indicator that is used in complexometric titrations, e.g. in the water hardness determination process. It is an azo dye.
E 1277 (OTTO) Eriochrome black T, GR - used to detect the presence of rare earth metals.
Hematology & histology
Powder
Black
λmax 503 nm
Passes test
passes test for complexometric indicator
WGK Germany 2
573-58-0
132-86-5
1260-17-9
3248-91-7