It is chemical feedstock for the manufacture of sulfa drugs, other pharmaceuticals, herbicides, pesticides and the manufacture of hydrocyanic acid.
12.
-- 1942 : The Germans begin using Zyklon B ( hydrocyanic acid ) in gas chambers for the mass murder of concentration camp prisoners.
13.
It said they were blowing up containers of poisonous chlorine and pouring hydrocyanic acid, also highly toxic, in the path of advancing Russian troops.
14.
Smoke billowed from the factory and formed into a cloud containing of ammonia and hydrocyanic acid that started to drift toward the city, police said.
15.
The revolutionaries knew that hydrocyanic acid produced a very toxic gas and that an antidote would need to be available if those manufacturing it were not to suffer.
16.
It said they were blowing up containers of poisonous chlorine and pouring hydrocyanic acid, which is used as a poison gas, in the path of advancing Russian troops.
17.
The PH Helmet ( Phenate Hexamine ) replaced it in October 1915, and added hexamethylene tetramine, which greatly improved protection against phosgene and added protection against hydrocyanic acid.
18.
The Russian press service also claimed Chechen guerrillas were blowing up containers of poisonous chlorine and pouring hydrocyanic acid, used as a poison gas, in the path of advancing Russian troops.
19.
First hydrocyanic acid is added to benzaldehyde, and the resulting nitrile is subsequently hydrolysed to mandelic acid . ( The scheme above depicts only one of the two formed enantiomers ).
20.
The land no longer sustained any agricultural productivity and was covered with alang-alang grass ( " Imperata cylindrica " ) which produces hydrocyanic acid that prevents the germination of tree seeds.
