Tear gasTear gas

Brno University of technologyBrno University of technology, Faculty of , Faculty of chemistrychemistry

Emergency and crisis managementEmergency and crisis management

Jan BrzobohatýJan Brzobohatý

Chemical warfareChemical warfare

► Nerve paralytic agents – Sarin, Soman, TabunNerve paralytic agents – Sarin, Soman, Tabun► Vesicant agents – Mustard gas (sulphuric or Vesicant agents – Mustard gas (sulphuric or

nitrogenic)nitrogenic)► Afterdamp agents – Hydrocyanic acid, Afterdamp agents – Hydrocyanic acid,

phosgene, chlorinephosgene, chlorine► Generally poisonous agentsGenerally poisonous agents► Irritant agents – non letal weapons – tear Irritant agents – non letal weapons – tear

gases groupgases group► [ [ Vesicant = zpuchýřující, mustard gas = yperit,Vesicant = zpuchýřující, mustard gas = yperit, afterdamp = afterdamp =

dusivý dusivý ]]

Kinds of tear gasesKinds of tear gases

► 1) CN gas – main agent is 1) CN gas – main agent is chloroacetophenone.chloroacetophenone.

Kinds of tear gasesKinds of tear gases

► CS gas – main agent is CS gas – main agent is chlorobenzalmalononitrilechlorobenzalmalononitrile

Kinds of tear gasesKinds of tear gases

►OC gas – the main OC gas – the main agent is organic agent is organic compound compound capsaicine. OC gas capsaicine. OC gas is known as pepper is known as pepper spray too. OC gas is spray too. OC gas is the most used kind the most used kind of tear gas.of tear gas.

Applications of tear gasApplications of tear gas

►Classic pepper spray – the most usedClassic pepper spray – the most used►Fluid shotFluid shot►Foam – the most modern and effective wayFoam – the most modern and effective way►Gas grenade – used in armyGas grenade – used in army

Fluid shot Fluid shot Pepper sprayPepper spray

Tear gas effectsTear gas effects

►Eyes and skin inflammation and Eyes and skin inflammation and irritation irritation

►Respiration problemsRespiration problems►High concetration, long exposition – High concetration, long exposition –

damage of kidney and liverdamage of kidney and liver

Effect of tearEffect of tear gas gas is very individual. is very individual.

First aid and protection against First aid and protection against tear gastear gas

►First aid First aid : 1) Leaving contaminated : 1) Leaving contaminated areaarea 2) Washing 2) Washing contaminated parts of contaminated parts of

bodybody 3) Staing in open air 3) Staing in open air

►Protection Protection : 1) Wet hanky or towel: 1) Wet hanky or towel 2) Protection spray2) Protection spray

3) Gas mask 3) Gas mask

Information sourcesInformation sources

►www.chemfinder.comwww.chemfinder.com►http://temneuzemi.webzdarma.czhttp://temneuzemi.webzdarma.cz►www.answers.comwww.answers.com►www.wikepedia.com www.wikepedia.com ►www.google.comwww.google.com