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242969 Sigma-Aldrich

Sodium diphenylamine-4-sulfonate

ACS reagent

Synonym: 4-(Phenylamino)benzenesulfonic acid sodium salt, Diphenylamine-4-sulfonic acid sodium salt

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Properties

Related Categories Analytical Reagents, Analytical/Chromatography, Essential Chemicals, Indicators, Redox Indicators,
grade   ACS reagent
InChI Key   DGXTZMPQSMIFEC-UHFFFAOYSA-M

Description

Packaging

25 g in poly bottle

5 g in glass bottle

Application

Sodium diphenylamine-4-sulfonate may be used in the synthesis of poly-(aniline-co-N-(4-sulfophenyl)aniline via polymerization with aniline. It may also be used as a reductant in the synthesis of branched gold nanocrystals from gold(III) chloride trihydrate in the presence of polyethylene glycol. These nanocrystals have potential application as electrocatalysts.

General description

Sodium diphenylamine-4-sulfonate has the ability to form colored complexes with metal ions. Hence it is commonly used as an indicator to estimate the concentration of metal ions. It is also an efficient quencher of electrochemiluminescence of tris (2, 2′-bipyridine)-ruthenium (II).

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
3
Protocols & Articles
Peer-Reviewed Papers
15

References

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