Indigo carmine, analytical reagent, 99.93%, 70 gr

Description

Indigo carmine, or 5,5′-indigodisulfonic acid sodium salt, is an organic salt derived from indigo by sulfonation, which renders the compound soluble in water.
CAS:
860-22-0
FORMULA:
C
16
H
8
N
2
Na
2
O
8
S
2