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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 24864466

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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

Suggested Laboratory Gloves


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.



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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