It
is colourless or reddish-brown; it has a peculiar tar-like odour; it is
soluble in alcohol, and forms a soluble sulphate with sulphuric acid. A
solution of bleaching-powder gives with solution of the sulphate a
purple colour changing to red-brown.
_Symptoms._--Nausea, vomiting, giddiness, intoxication, drowsiness,
gasping for breath, feeble pulse, and marked cyanosis. In its
_industrial use_ it may act as a poison either by inhalation of the
fumes or by absorption through the skin. The symptoms then are mainly
those of peripheral neuritis with blindness.
_Fatal Dose._--About 6 drachms.
_Treatment._--Wash out stomach; stimulants, artificial respiration,
inhalation of oxygen, transfusion.
=Nitro-benzol= (Artificial Oil of Bitter Almonds).--It is used in
perfumery, but is very poisonous when swallowed, or inhaled, or absorbed
through skin. It is used in the manufacture of aniline dyes, and may act
as an industrial poison. The symptoms closely resemble those of aniline
poisoning, but there is perhaps greater mental confusion.
_Fatal Dose._--Eight to ten drops have caused death.
_Treatment._--Emetics, stimulants, transfusion of saline or blood,
pituitrin, strychnine, or digitalin hypodermically.
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