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Fluorescein

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  Post Date: Jul 27,2016
  Expiry Date: Jul 27,2017
  Detailed Description: Cas No. :2321-07-5 Fluorescein is a fluorophore widely used in microscopy, forensics and serology to detect latent blood stains. Fluorescein has an absorption maximum at 490 nm and emission maximum of 514 nm (in water). It has a pKa at 6.4 and multiple ionization equilibria. This leads to pH dependent absorption and emission over the range of 5 to 9. It has an isoabsorptive point at 460 nm.

  CAS Registry Number:

2321-07-5

  Synonyms: ;C.I. 45350:1;C.I. Solvent Yellow 94;Fluorescein [BAN:JAN];Fluorescein Free Acid;Fluorescein Acid;3,6-dihydroxyspiro[isobenzofuran-1(3H),9-xanthen]-3-one;2-(6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid;C.I. 45350.1;
  Molecular Formula: C20H12O5
  Molecular Weight: 332.31
  Molecular Structure: 2321-07-5 Fluorescein
  Hazard Symbols:  Xi:Irritant;
  Risk Codes: R36:;
R43:;
  Safety Description: S26:;
S37/39:;

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