Pyranine

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Pyranine
IUPAC name trisodium 8-hydroxypyrene-1,3,6-trisulfonate
Other names 8-hydroxypyrene-1,3,6-trisulfonic acid, Solvent Green 7, sulfonated hydroxy pyrene trisodium salt
Identifiers
CAS number [6358-69-6]
PubChem 4136521
EINECS number 228-783-6
SMILES C1=CC2=C3C (=C(C=C2S(=O)(=O)[O-])S(=O)(=O)[O-]) C=CC4=C (C=C(C1=C43)O) S(=O)(=O)[O-] .[Na+].[Na+].[Na+]
Properties
Molecular formula C16H7Na3O10S3
Molar mass 524.37
Appearance yellow-green crystalline powder
Solubility in water Soluble
Hazards
Main hazards XI
R-phrases 36/37/38
S-phrases 26-36
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)
Infobox disclaimer and references

Pyranine is a hydrophilic, pH-sensitive fluorescent dye from the group of chemicals known as arylsulfonates.[1][2] Pyranine is soluble in water and has applications as a coloring agent, biological stain, optical detecting reagent, and a pH indicator.[3][4] One example would be the measurement of intracellular pH.[5]

[edit] See also


[edit] External links

[edit] References

  1. ^ chem industry entry.
  2. ^ Comparative Toxicogenomics Database entry.
  3. ^ chemical land 21 entry.
  4. ^ Sci-Toys entry.
  5. ^ Loading pyranine via purinergic receptors Bing by Siang Gan.
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