Carbamide (urea) (CO(NH₂)₂)

An organic compound in the urine of mammals, used in the production of fertilisers as a source of nitrogen.

Cellobiose (C₁₂H₂₂O₁₁)

Cellobiose is the basic structural unit of cellulose.

Hydroxide ion (OH⁻)

A compound ion formed when a water molecule releases a proton.

Ammonia (NH₃)

Ammonia is a colourless gas with a characteristic pungent smell. Its solution in water is called ammonium hydroxide or household ammonia.

Water (H₂O)

Water is a very stable compound of hydrogen and oxygen, vital for all known forms of life. In nature it occurs in liquid, solid and gaseous state.

Formamide (methanamide) (HCONH₂)

A colourless, slightly viscous, hygroscopic liquid used in the production of formic acid, hydrogen cyanide and other organic compounds.

Methanol (methyl alcohol) (CH₃OH)

The simplest saturated alcohol. A highly toxic compound, easily confusable with ethanol.

Methane (CH₄)

The first member in the homologous series of alkanes.

Hydrogen-fluoride (HF)

One of the hydrogen halides, a highly aggressive substance - it even attacks glass.

Nitrogen monoxide (Nitric oxide) (NO)

A colourless, heavier-than-air gas, an intermediate in the production of nitric acid.

Isoprene (2-methyl-1,3-butadiene) (C₅H₈)

Synthetic rubber is produced by the polymerisation of isoprene.

Purine (C₅H₄N₄)

A heterocyclic aromatic organic compound, its derivatives include guanine and adenine.

Beryllium dichloride (BeCl₂)

Used in the production of beryllium and as a catalyst.

Iodine (I₂)

A solid, grey substance which sublimates when heated. Its solution in alcohol is called tincture of iodine, it is a disinfectant.

Handball stadium

Handball is one of the most popular team sports.

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