Pyranine

Pyranine (HPTS; Solvent Green 7) is a pH-sensitive fluorescent indicator. Pyranine acts as a class of fluorescent chemosensor for the Cu+ ion. Pyranine is used as a coloring agent, biological stain, optical detecting reagent, and pH indicator (Ex/Em = 450/510 nm) [1][2][3].

Product Specifications

CAS Number

[6358-69-6]

Product Name Alternative

HPTS; Solvent Green 7

UNSPSC

12171500

Hazard Statement

H302, H315, H319, H335

Target

Fluorescent Dye

Type

Dye Reagents

Related Pathways

Others

Field of Research

Others

Assay Protocol

https://www.medchemexpress.com/Pyranine.html

Purity

98.0

Solubility

H2O : 20 mg/mL (ultrasonic; warming; heat to 60°C)

Smiles

O=S(C1=C(C2=C34)C=CC4=C(O)C=C(S(=O)(O[Na])=O)C3=CC=C2C(S(=O)(O[Na])=O)=C1)(O[Na])=O

Molecular Formula

C16H7Na3O10S3

Molecular Weight

524.39

Precautions

H302, H315, H319, H335

References & Citations

[1]Saha T, et al. In vitro sensing of Cu (+) through a green fluorescence rise of pyranine. Photochem Photobiol Sci. 2014 Oct;13 (10) :1427-33.|[2]Thomas JV, et al. The fluorescent indicator pyranine is suitable for measuring stromal and cameral pH in vivo. Exp Eye Res. 1990 Mar;50 (3) :241-9.|[3]Evingür GA, et al. Kinetic models for the dynamical behavior of polyacrylamide (PAAm) -κ-carrageenan (κC) composite gels. J Biol Phys. 2015 Jan;41 (1) :37-47.