Z744032 Sigma-Aldrich

420nm Light Source



General description

The 420nm LED Light Module is used with the Penn PhD Photoreactor M2 for chemists and researchers to accelerate chemical reactions using photoredox catalysis.

Features and Benefits of Penn PhD Photoreactor M2
• Modular design allows for use with a variety of wavelengths 365nm – 450nm
• 360 degree reflective environment maximizes surface area photon capture
• Light shield interlock prevents user exposure to harmful light rays
• Interactive touch screen controls reaction parameters
• Intertek ETL, CE, and CB approved
• User defined parameters including temperature, light intensity, fan speed and stirring
• Auto stop, pause and reset options
• Supports vial sizes gc, 4, 8, 20, 40 ml
• Temp feedback using a k-type thermocouple

Photocatalysis Technology Spotlight

Safety & Documentation

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Certificate of Analysis (COA)

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Protocols & Articles


Nicewicz Photoredox Catalysts for Anti-Markovnikov Alkene Hydrofunctionalization

While Markovnikov alkene reactivity is very well developed and utilized commonly in the synthesis of commodity and research chemicals, catalytic access to the anti-Markovnikov-selective adducts is a ...
Keywords: Catalysis, Cyclizations, Cycloadditions, Decarboxylations, Hydroaminations, Infrared spectroscopy, Oxidations


Visible light photoredox catalysis has emerged as a powerful tool in organic synthesis, building upon the foundation set by early pioneers in the areas of radical chemistry and photochemistry. Photor...
Keywords: Capillary electrophoresis, Catalysis, Cross couplings, Cycloadditions, Degradations, Drug discovery, Gas chromatography, Infrared spectroscopy, Organic synthesis, Oxidations, Reductions, Scintillation, transformation

Photoredox Iridium Catalyst for Single Electron Transfer (SET) Cross-Coupling

C(sp2)- and C(sp)-hybridized coupling reactions are established catalytic approaches. However, multi-step C(sp3)- and C(sp2)-coupling reactions of boronic acids and related derivatives are still limi...
Keywords: Asymmetric synthesis, Catalysis, Coupling reactions, Cross couplings, Eliminations, Reductive eliminations, Transmetalation

Reducing Organic Photoredox Catalysts for Visible Light-Driven Polymer and Small Molecule Synthesis

Photoredox catalysis has emerged as a powerful synthetic methodology to form challenging covalent bonds under mild reaction conditions using light irradiation. Recently, phenoxazine (901111) and dihy...
Keywords: Absorption, Catalysis, Cross couplings, Polymerization reactions, Radical polymerization

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