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HomeProduct name list1,2-Diphenylethylenediamine

1,2-Diphenylethylenediamine

Synonym(s):trans-1,2-Diphenylethylene;trans-1,2-Diphenylethylene;trans-Stilbene

  • CAS NO.:16635-95-3
  • Empirical Formula: C14H16N2
  • Molecular Weight: 212.29
  • MDL number: MFCD00064300
  • EINECS: 605-438-1
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-01-16 11:47:08
1,2-Diphenylethylenediamine Structural

What is 1,2-Diphenylethylenediamine?

The Uses of 1,2-Diphenylethylenediamine

1,2-Diphenylethylenediamine (DPE) has been found to react in a neutral medium with catecholamines and other catechol compounds in the presence of hexacyanoferrate(III) to give a compound that fluoresces intensely. The reaction is accelerated by amino acids such as glycine. Nohta et al. described a sensitive spectrofluorimetric method for determining catecholamines with 1,2diphenylethylenediamine. The method is based on the reaction of catechol compounds in a neutral medium with 1,2-diphenylethylenediamine in the presence of hexacyanoferrate(II1) and glycine at ambient temperature. The fluorescence shows excitation and emission maxima around 345 and 480 nm, respectively. The method is simple, selective for catechol compounds, and very sensitive. Catecholamines can be determined at concentrations as low as 15-20 pmol ml-1[1].

References

[1] H. Nohta, Y. Ohkura, A. Mitsui. “Spectrofluorimetric determination of catecholamines with 1,2-diphenylethylenediamine.” Analytica Chimica Acta 165 1 (1984): 171–176.

Properties of 1,2-Diphenylethylenediamine

Melting point: 123-125 °C(lit.)
Boiling point: 305-307 °C744 mm Hg(lit.)
Density  0.97 g/mL at 25 °C(lit.)
storage temp.  Keep in dark place,Inert atmosphere,2-8°C
solubility  soluble in Methanol
pka 9.78±0.10(Predicted)
form  powder to crystal
color  White to Yellow to Orange
CAS DataBase Reference 16635-95-3(CAS DataBase Reference)

Safety information for 1,2-Diphenylethylenediamine

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
Precautionary Statement Codes P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P280:Wear protective gloves/protective clothing/eye protection/face protection.

Computed Descriptors for 1,2-Diphenylethylenediamine

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