ACID BLACK 32;FAST SULFON BLACK F;FAST SULFONE BLACK F;FAST SULPHON BLACK F;CI 26990;trisodium 4-hydroxy-5-[(2-hydroxynaphthyl)azo]-3-[(4-sulphonatonaphthyl)azo]naphthalene-2,7-disulphonate ;2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-(2-hydroxy-1-naphthalenyl)azo-3-(4-sulfo-1-naphthalenyl)azo-, trisodium salt;Acid black 32 (C.I. 26990)
DMSO (Slightly, Sonicated), Water (Slightly, Heated, Sonicated)
form
Powder
color
Black
Description
Fast Sulphon Black F (Technical Grade) is a complexometric indicator, used for titrations. Fast Sulphon Black F is used for titrations with EDTA. It may appear purple with a copper complexation and change to green with EDTA. Fast Sulphon Black F may also be used as a stain.