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Medical Aspects of Chemical Warfare (2008) - The Black Vault

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Riot Control AgentsTable 13-1CHARACTERISTICS OF CS AND OCProperties Cs oCMolecular formula C 10H 5ClN 2C 18H 27NO 3Former/current use RCA/rca food additive/Food additive, RCAPhysical state* White crystalline solid. colorless solidOdor Pungent pepper-like Pungent, irritatingFreezing or melting point Melting point: 95°C–96°C freezing point: 65°CVapor pressure 0.00034 mm Hg at 20°C 1.5 × 10 -7 mm Hg at 65°C (extrapolated)Density:Vapor (relative to air) 6.5 times heavier (calculated) 10.5 times heavier (calculated)Solid Bulk: 0.24-0.26 g/cm 3 Data not availableC crystal: 1.04 g/cm 3Solubility:In water insoluble in water Solubility in water is 0.090 g at 37°CIn other solvents Moderate in alcohol; good in organic Soluble in alcohol, ether, oil, chlor<strong>of</strong>orm, aromaticsolvents such as acetone, chlor<strong>of</strong>orm, solvents, hydrocarbons, ketones, and aqueous alkalimethylene dichloride, ethyl acetate,and benzeneHydrolysis products Data not available alkaline hydrolysis yields vanillylamine and isomericdecenoic acidDecontamination:Clothing Stand in front <strong>of</strong> a fan or flap arms to Sticks to clothing if in liquid solution. If in powder form,remove dry powder, protect airway. remove dry powder. Wash clothing after removalWash clothing after removalSkin copious soap and water; do not use Copious soap and water. Can also use alcohol, babyoil-based lotions or bleachshampoo, or flush skin with vegetable oil followedby soap and water (not for OC/CS-CN mixtures);flush eyes with copious water or baby shampoo; usemilk or ice packs to reduce painEquipment Wash with soap and water Wash with soap and water or place in sun to degradePersistency:In soil Varies Degrades with sun and moistureOn material Varies Degrades with sun and moistureSkin and eye effects Skin irritant; itching, stinging and Causes sensation <strong>of</strong> intense pain and burning througherythema; may cause blistering and the activation <strong>of</strong> the TRPV1 sensory neuron, causingallergic contact dermatitis. Burning release <strong>of</strong> substance P. May cause allergic dermatitisand irritation to eyes with lacrimation with excessive skin exposure. Lacrimation, redness,and accompanying blepharospasm burning sensation in the eyes and blepharospasmRespiratory effects Salivation, coughing, choking, and a Tingling sensation followed by coughing and defeeling<strong>of</strong> chest tightness. May cause creased inhalation rates. Pain, vasodilation, andreactive airway disease syndrome secretion can occur in the airways depending on therequiring medical intervention dose inhaled*At standard temperature and pressure.RCA: riot control agentTPRV1: transient receptor potential, vallinoid subtype 1Data sources: (1) Sidell F. Riot control agents. In: Sidell F, Takafuji E, Franz D, eds. <strong>Medical</strong> <strong>Aspects</strong> <strong>of</strong> <strong>Chemical</strong> and Biological <strong>Warfare</strong>. In: ZajtchukR, Bellamy RF, eds. Textbook <strong>of</strong> Military Medicine. Washington, DC: Department <strong>of</strong> the Army, Office <strong>of</strong> <strong>The</strong> Surgeon General, BordenInstitute; 1997: Chap 12. (2) US Department <strong>of</strong> the Army. Potential Military <strong>Chemical</strong>/Biological Agents and Compounds, Multiservice Tactics,Techniques, and Procedures. Washington, DC: DA; January 10, 2005. FM 3-11.9. (3) Somani SM, Romano JA Jr, eds. <strong>Chemical</strong> <strong>Warfare</strong> Agents:Toxicity at Low Levels. Boca Raton, Fla: CRC Press; 2001.445

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