A white, crystalline compound that breaks down when affected by light.
One of the hydrogen halides, it is used for the production of alkyl bromides.
It is also used as a food additive, limescale and rust remover.
A helical molecule consisting of alpha-D-glucose units. It is one of the basic components of starch.
The compound of hydrogen and oxygen. Colourless, odourless liquid; heavier than water.
The simplest amino acid.
One of the allotropes of phosphorus.
A colourless, heavier-than-air gas with a pungent odour.
A colourless liquid with an odour similar to benzene. The monomer of polystyrene.
An aldehyde which is an important raw material and intermediate product in industry.
A basic heterocyclic organic compound; a colourless, pungent toxic liquid.
A colourless gas with a pungent odour. It is widely used in industry.
A colourless, toxic gas with the characteristic odour of rotten eggs. It occurs in certain mineral waters and spring waters.
The first member in the homologous series of 1-alkenes.
Colourless, odourless gas used as a standard in NMR spectroscopy.
A liquid with a characteristic unpleasant odour and a low boiling point.
A colourless, heavier-than-air gas. Its geometric isomer is trans-2-butene.
The first member of the homologous series of alkyne hydrocarbons.
A reddish-brown toxic gas, very reactive due to its unpaired electron.
Hypochlorite ions are formed when water is disinfected with chlorine.