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70420 Sigma-Aldrich

Naphthofluorescein

suitable for fluorescence

  • CAS Number 61419-02-1

  • Empirical Formula (Hill Notation) C28H16O5

  • Molecular Weight 432.42

  •  Beilstein/REAXYS Number 61335

  •  MDL number MFCD00329026

  •  PubChem Substance ID 57652246

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Properties

Related Categories Alphabetical, Biochemicals and Reagents, Detection, Fluorescent Indicators and Probes, Fluorescent Probes, Labels, Particles and Stains,
pKa    7.6
mp   189 °C (dec.) (lit.)
solubility   DMF: soluble
  DMSO: soluble
  H2O: soluble (pH ≥ 8)
fluorescence   λex 594 nm; λem 663 nm in 0.1 M Tris pH 9.0
suitability   suitable for fluorescence
storage temp.   room temp
SMILES string   Oc1ccc2c3Oc4c(ccc5cc(O)ccc45)C6(OC(=O)c7ccccc67)c3ccc2c1
InChI   1S/C28H16O5/c29-17-7-9-19-15(13-17)5-11-23-25(19)32-26-20-10-8-18(30)14-16(20)6-12-24(26)28(23)22-4-2-1-3-21(22)27(31)33-28/h1-14,29-30H
InChI key   IXQIUDNVFVTQLJ-UHFFFAOYSA-N

Description

Application

suitable as pH-indicator

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Other Notes

Reference standard. Long-wavelength pH-dependent spectra

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Target organs 
Respiratory system
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles

Articles

Sensor Dyes

In 1998 R.F. Furchgott, L.J. Ignarro, and F. Murad received the Nobel Prize in Physiology and Medicine for their discoveries concerning nitric oxide as a signaling molecule in the cardiovascular syst...
Monika Baeumle
BioFiles 2011, 6.3, 23.
Keywords: Applications, Biochemistry, Biological processes, Cancer, Cardiovascular, Central Nervous System, Diseases, Extinction coefficient, Indicators, Inflammation, Methods, Microscopy, Neurotransmission, Sol-gel, Type

Peer-Reviewed Papers
15

References

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