OPA mixture

Mixture of isopropyl alcohol and isopropylamine

OPA is a mixture of isopropyl alcohol and isopropylamine that is used in the production of the sarin nerve agent. The mixture reacts with methylphosphonyl difluoride to produce sarin.^[1]^[2]

References

^ Hoenig, Steven L. (2007). Compendium of chemical warfare agents. New York, NY: Springer. ISBN 9780387346267.
^ Ellison, D. Hank (2008). Handbook of chemical and biological warfare agents (2nd ed.). Boca Raton: CRC Press. ISBN 9780849314346.

Agents used in chemical warfare
incapacitation
riot control

Blood agents

Cyanogen
Cyanogen bromide
Cyanogen chloride (CK)
Hydrogen cyanide (AC)
Arsine
Cacodyl cyanide
Cacodyl oxide
Hydrogen sulfide
Phosphine
Carbon monoxide
Phosphorus trifluoride
Methyl cyanoformate
Iron pentacarbonyl
Nickel tetracarbonyl
2,3,7,8-Tetrachlorodibenzodioxin
Glycolonitrile
Lactonitrile
Acetone cyanohydrin
Stibine
Chloral cyanohydrin

Blister agents

Arsenicals	Ethyldichloroarsine (ED) Methyldichloroarsine (MD) Phenyldichloroarsine (PD) Lewisite (L) Lewisite 2 (L2) Lewisite 3 (L3)
Sulfur mustards	Levinstein mustard (EA-229) T Q CEES
Nitrogen mustards	HN1 HN2 HN3 TL-301
Nettle agents	Phosgene oxime (CX)
Other	KB-16 Dibutylchloromethyltin chloride Selenium oxychloride

Nerve agents

G-agents	Tabun (GA) Sarin (GB) Chlorosarin (ClGB) Thiosarin (SGB) Soman (GD) Chlorosoman (ClGD) Ethylsarin (GE) GH Cyclosarin (GF) GP Fluorotabun EA-1356 EA-4352 Crotylsarin
V-agents	EA-2192 EA-3148 VE VG VM VP VR VS VX EA-1763 Chinese VX V-sub x (GD-7)
GV agents	GV (EA-5365)
Novichok agents	A-208 A-232 A-234 A-242 A-262 C01-A035 C01-A039 C01-A042
Carbamates	Dimethylcarbamoyl fluoride EA-3887 EA-3887A EA-3966 EA-3990 EA-4056 T-1123 T-1152 T-1194 Octamethylene-bis(5-dimethylcarbamoxyisoquinolinium bromide) TL-599 TL-1238 TL-1299 TL-1317 Miotine (AR-28/T-1843) 3152 CT 4-686-293-01 (Agent 1-10)
Other	Diisopropyl fluorophosphate Dicyclohexyl phosphorofluoridate EA-2012 EA-2054 EA-2098 EA-2613 2-Ethoxycarbonyl-1-methylvinyl cyclohexyl methylphosphonate Neopentylene fluorophosphate Selenophos Phospholine R-16661 Ro 3-0422 Methanesulfonyl fluoride Dimefox (TL-792) MSPI
Precursors	Acetonitrile AT ATO AlP A.P.C. complex Chlorosarin Chlorosoman Cyclohexanol 1,8-Dibromooctane N,N-Diisopropylaminoethanol (KB) EA-1250 DIHP ZS DEHP EA-1224 Dimethylamidophosphoric dichloride Dimethylamidophosphoric dicyanide DMHP Ethylphosphonoselenoic dichloride Formaldoxime Nital 4-Hydroxycoumarin Isopropyl alcohol (TB) Methyldichlorophosphine (SW) Methylphosphonyl difluoride (difluoro) (DF) Methylphosphonyl dichloride (dichloro) Nitromethane OPA mixture Phosphoryl chloride Phosphorus pentachloride Phosphorus trichloride (TH) Pinacolone Pinacolyl alcohol Phenacyl chloride QL 2,4,5-Trichlorophenol 3,3,5-Trimethylcyclohexanol Triethyl phosphite Trimethyl phosphite TC TG