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31890 Sigma-Aldrich

4-(4-Diethylaminophenylazo)-1-(4-nitrobenzyl)pyridinium bromide

for spectrophotometric det. of anionic surfactants

Synonym: NDPP

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Properties

Related Categories Analytical Reagents, Analytical/Chromatography, Spectroscopy, UV/Vis Reagents, UV/Visible (UV/VIS) Spectroscopy More...
InChI Key   SYSMUNIWXNOGPA-UHFFFAOYSA-M
assay   ≥90% (UV)
quality   for spectrophotometric det. of anionic surfactants

Description

Application

for spectrophotometric determination of anionic surfactants

Other Notes

Reagent for the simple and fast determination of anionic detergents in water

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

General description

4-(4-Diethylaminophenylazo)-1-(4-nitrobenzyl) pyridinium bromide is the derivative of cationic azo dye. It is a very stable reagent and can react effectively with anionic surfactant, to form ion associates, which can be extracted into chlorobenzene.

Price and Availability

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis

Protocols & Articles
Peer-Reviewed Papers
15

References

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