SELENIUM DIOXIDE 25 grams

SELENIUM DIOXIDE SeO2 99.99% CAS# 7446-08-4 UN#3283 The active ingredient in some cold-bluing solutions. It was also used as a toner in photographic developing. It is used in small quantities to counteract the color due to iron impurities to create colorless glass. In larger quantities, it gives a deep ruby red color. he active ingredient in some cold-bluing solutions. It was also used as a toner in photographic developing. Used to make pigments for ceramics, paint and plastics. Selenium has both a photovoltaic action (converts light to electricity) and a photoconductive action (electrical resistance decreases with increased illumination). It is therefore useful in photocells, solar cells and photocopiers. Wear personal protective equipment/face protection. Avoid dust formation. Avoid ingestion and inhalation.