Phosphides, whether or not chemically defined, excluding ferrophosphorous; other inorganic compounds (including distilled or conductivity water and water of similar purity); liquid air (whether or not rare gases have been removed); compressed air; amalgams, other than amalgams of precious metals:

Cyanogen chloride (chloorcyan)

Other:

Fluorine, chlorine, bromine and iodine:

Sulfur, sublimed or precipitated; colloidal sulfur

Carbon (carbon blacks and other forms of carbon not elsewhere specified or included)

Hydrogen, rare gases and other nonmetals:

Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury:

Hydrogen chloride (Hydrochloric acid); chlorosulfuric acid:

Sulfuric acid; oleum