1-Ethynyl pyrene

Cat. # Quantity Price Lead time
515B0 50 mg $30.00 in stock
615B0 100 mg $50.00 in stock

Pyrene is one of the simplest polyaromatic hydrocarbons (PAHs). Pyrene derivatives are known for their ability to intercalate dsDNA.

Pyrene possesses intrinsic fluorescence. When two pyrene residues are located in close proximity, excimer formation can be observed by fluorescence spectroscopy. Pyrene has been therefore used to probe structures of biomolecules.

Ethynylpyrene molecule contains terminal triple bond fragment for Click Chemistry, as well as other coupling reactions such as Sonogashira coupling.

Absorption and emission spectra of pyrene fluorophore

Absorption and emission spectra of pyrene fluorophore

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General properties

Appearance: light yellow solid
Molecular weight: 226.27
CAS number: 34993-56-1
Molecular formula: C18H10
Solubility: good in chloroform, dichloromethane, toluene, low in water
Quality control: NMR 1H (95%) and 13C, TLC
Storage conditions: Storage: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light.
MSDS: Download
Product specifications

Spectral properties

Excitation maximum, nm: 343; 326; 313; 276; 265; 242; 234
Emission maximum, nm: 377; 397

Product citations

  1. Vega, B.; Wondraczek, H.; Bretschneider, L.; Näreoja, T.; Fardim, P.; Heinze, T. Preparation of reactive fibre interfaces using multifunctional cellulose derivatives. Carbohydrate Polymers, 2015, 132, 261–273. doi: 10.1016/j.carbpol.2015.05.048
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