FAST SULPHON BLACK F Chemical Properties

storage temp. 

4°C, Inert atmosphere

solubility 

DMSO (Slightly, Sonicated), Water (Slightly, Heated, Sonicated)

form 

Powder

color 

Black

Safety Information

Safety Statements 

24/25

WGK Germany 

3

MSDS

• Language:English Provider:ACROS
• Language:English Provider:SigmaAldrich

FAST SULPHON BLACK F Usage And Synthesis

Chemical Properties

black powder

Uses

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.

Preparation

4-Aminonaphthalene-1-sulfonic acid diazo, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, its product to diazo, and Naphthalen-2-ol coupling.

Properties and Applications

green and black. Soluble in water for black, soluble in ethanol, slightly soluble in soluble fiber element. The strong sulfuric acid as dark blue light in purple, diluted solution for olive. In water solution to join 10% of sulfuric acid discoloration; Add 10% sodium hydroxide solution for dark blue light red.

FAST SULPHON BLACK F(3682-47-1)Related Product Information

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