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39255 Sigma

4-Dimethylamino-4′-nitrostilbene

≥99.8% (T)

Synonym: N,N-Dimethyl-4′-nitro-4-stilbenamine, DANS

  • CAS Number 2844-15-7

  • Linear Formula (CH3)2NC6H4CH=CHC6H4NO2

  • Molecular Weight 268.31

  •  Beilstein Registry Number 1379389

  •  MDL number MFCD00041877

  •  PubChem Substance ID 57649889

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Properties

Related Categories Biochemicals and Reagents, Detection, Fluorescent Labels, Fluorescent Probes, Labels, Particles and Stains, Luminescent Compounds/Detection,
InChI Key   NVLSIZITFJRWPY-ONEGZZNKSA-N
assay   ≥99.8% (T)
mp   256-259 °C(lit.)
  256-259 °C
fluorescence   λex 500 nm; λem ~700 nm in methylene chloride

Description

Other Notes

Standard for the correction of emission of fluorescence spectrometers

Packaging

500 mg in glass bottle

Application

4-Dimethylamino-4′-nitrostilbene (DANS, DMANS) may be used as a proton/acid indicator and physical chemistry probe to study state energy and photoexcitation dynamics of molecules.

Price and Availability


Laboratory Gloves
Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
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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