photolabile

Degrades under illumination

Photolabile describes substances that break down or change when exposed to light.

The term appears in chemistry, pharmacology, and biology for compounds that are unstable under illumination: photolabile drugs should be stored in amber bottles, photolabile protecting groups in organic synthesis.

The opposite is photostable.

degradation

photodecomposition

Light-driven molecular breakdown

deteriorate · unstable · reactive · perishable · transient · ephemeral · fleeting · fugacious · evanescent · disintegrate

sensitivity

light-sensitive

Responsive to radiant energy

fragile · exposed · reactive · unstable · photoresponsive · photolysis · photoreactive

photochemistry

photoreaction

Light-induced chemical change

wavelength · absorption · excitation · emission · spectroscopy · fluorescence · luminescence · optical · photocatalysis

applications

sunscreen

UV-blocking skin cream

retinol · packaging · formulation · preservatives · antioxidants · encapsulation · shelf-life

Opposites
light stability

photolabilephotoresistant

Unharmed by luminous exposure

lightfast · UV-resistant · stable · resistant · durable

Family

photo, photon, labile, photosynthesis, photosynthetic, photosynthesize, photochemical, photophobia, photosensitive

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Used worldwide · Timeless · Rated G