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ercial product or benzole, and also, but rarely, to a similar mixed product of petroleum. Benzene nucleus, Benzene ring (Chem.), a closed chain or ring, consisting of six carbon atoms, each with one hydrogen atom attached, regarded as the type from which the aromatic compounds are derived. This ring formula is provisio…

A substance (C6H5.N2.C6H5) derived from nitrobenzene, forming orange red crystals which are easily fusible.

A yellow aromatic liquid (C6H5.NO2), produced by the action of nitric acid on benzene, and called from its odor imitation oil of bitter almonds, or essence of mirbane. It is used in perfumery, and is manufactured in large quantities in the preparation of aniline. Fornerly called also nitrobenzol.

Hydroxy benzene. Same as Phenol.

maceration and distillation; benzoic aldehyde. -- Imitation oil of bitter almonds, nitrobenzene. -- Almond tree (Bot.), the tree bearing the almond. -- Almond willow (Bot.), a willow which has leaves that are of a light green on both sides; almond-leaved willow (Salix amygdalina). Shenstone.

An explosive consisting of ammonium nitrate, a derivative of nitrobenzene, chlorated napthalene, and wood meal.

obtained from indigo by distillation, but now largely manufactured from coal tar or nitrobenzene as a base from which many brilliant dyes are made.

nclude many of the most important of the carbon compounds and may all be derived from the benzene group, C6H6. The term is extended also to many of their derivatives. -- Aromatic vinegar. See under Vinegar.

compounds containing a two atom nitrogen group uniting two hydrocarbon radicals, as in azobenzene, azobenzoic, etc. These compounds furnish many artificial dyes. See Diazo-.

Same as Benzene. [R.]

An impure benzene, used in the arts as a solvent, and for various other purposes. See Benzene.

inity. It is often represented in graphic formulæ by a short line or dash. See Diagram of Benzene nucleus, and Valence. Arbitration bond. See under Arbitration. -- Bond crediter (Law), a creditor whose debt is secured by a bond. Blackstone. -- Bond debt (Law), a debt contracted under the obligation of a bond. Burrows…

An explosive composed of nitrobenzene, saltpeter, sulphur, and kieselguhr.

mpounds whose rational formulæ are written respectively in the form of a closed ring (see Benzene nucleus, under Benzene), or in an open extended form. -- Endless chain, a chain whose ends have been united by a link.

l4.O2, regarded as a derivative of quinone, obtained by the action of chlorine on certain benzene derivatives, as aniline.

5.C2H2C2H2.CO2H, formerly obtained from storax and oil of cinnamon, now made from certain benzene derivatives in large quantities, and used for the artificial production of indigo.

lex mixture from which many substances have been obtained, especially hydrocarbons of the benzene or aromatic series.

uction and complex structure. In general they are diazo and sulphonic acid derivatives of benzene and naphthol.

do compounds are derivatives of ammonia, and the hydrocarbons are derivatives of methane, benzene, etc.

aining a radical of two nitrogen atoms, united usually to an aromatic radical; as, diazo- benzene, C6H5.N2.OH.