The Tour of Collective Wisdom presents:
Highly Toxic Reagents


If possible, avoid using these reagents. If not possible, take every precaution to avoid exposure. Not all reagents to avoid are on this list.

Highly toxic reagent:
I often use this I sometimes use this I almost never use this
Verification:
Reagent Use often Use sometimes Use almost never I use this...
phosgene2638139 often sometimes almost never
thallium(III) oxide114124 often sometimes almost never
tetraazido-pentaerythritol94120 often sometimes almost never
oxalonitrile74112 often sometimes almost never
ethylene oxide1315115 often sometimes almost never
hydrazoic acid413106 often sometimes almost never
dibromodifluorometahne77109 often sometimes almost never
chloroacetaldehyde98110 often sometimes almost never
thiophosgene1414115 often sometimes almost never
Organomercury compounds1212111 often sometimes almost never
hydrogen cyanide917107 often sometimes almost never
dimethylmercury114108 often sometimes almost never
acridine95106 often sometimes almost never
white phosphorus1010106 often sometimes almost never
Magic methyl (methylflurosulfonate)1011103 often sometimes almost never
MOM-Cl (methoxymethyl chloride)4245134 often sometimes almost never
2-ethylpyridine157107 often sometimes almost never
chromyl chloride1011100 often sometimes almost never
mercuric chloride1712105 often sometimes almost never
methyl isocyanate101098 often sometimes almost never
cyanogen bromide121697 often sometimes almost never
hexafluoro-2,4-pentanedione166101 often sometimes almost never
trimethyltin hydroxide14598 often sometimes almost never
hydrogen selenide193101 often sometimes almost never
diepoxybutane18498 often sometimes almost never
fluorine8687 often sometimes almost never
thioacetone3482 often sometimes almost never
ethidium bromide182296 often sometimes almost never
selenium dioxide102587 often sometimes almost never
Dinitrophenylhydrazones151591 often sometimes almost never
hexamethylditin23799 often sometimes almost never
lead tetraacetate7782 often sometimes almost never
trimethylsilyl cyanide182192 often sometimes almost never
tetramethyl tin211294 often sometimes almost never
tributyltin choride191791 often sometimes almost never
sulfur trioxide181489 often sometimes almost never
hydrogen sulfide202088 often sometimes almost never
tellurium14481 often sometimes almost never
hydrofluoric acid (HF)173783 often sometimes almost never
chromium trioxide122978 often sometimes almost never
fluoroacetic acid201784 often sometimes almost never
diazomethane242188 often sometimes almost never
ozone282189 often sometimes almost never
acrylonitrile241785 often sometimes almost never
perchloric acid173278 often sometimes almost never
2-methoxyethanol91470 often sometimes almost never
chloroacetone221782 often sometimes almost never
hexamethylphosphoramide (HMPA)144673 often sometimes almost never
acrylamide gels151374 often sometimes almost never
NO gas12970 often sometimes almost never
AgCN5763 often sometimes almost never
Ethyl bromoacetate183675 often sometimes almost never
osmium tetroxide223279 often sometimes almost never
NaCN194274 often sometimes almost never
dimethyl sulfate242479 often sometimes almost never
Mustard compounds6660 often sometimes almost never
carbon monoxide262680 often sometimes almost never
nitrosobenzene131366 often sometimes almost never
carbon disulfide213574 often sometimes almost never
potassium cyanide184471 often sometimes almost never
BOM-Cl (benzyloxymethyl chloride)301981 often sometimes almost never
indole17967 often sometimes almost never
dimethyl acetylenedicarboxylate111060 often sometimes almost never
chromic acid reagent242970 often sometimes almost never
thiophenol273473 often sometimes almost never
Aromatic amines with a blocked para position, i.e. 2-aminonaphthalene (kidney cancer)243369 often sometimes almost never
tributyltin hydride302375 often sometimes almost never
nickel tetracarbonyl4349 often sometimes almost never
HBTU 2-(1H-benzotriazol-1-yl)-1,1,3,3-tetramethyluronium hexafluorophosphate362080 often sometimes almost never
methyl vinyl ketone342876 often sometimes almost never
thallium sulfate3243 often sometimes almost never
benzyl chloride346373 often sometimes almost never
DEAD (diethylazodicarboxylate)284067 often sometimes almost never
sodium cyanide324270 often sometimes almost never
isopropyl isocyanate3241 often sometimes almost never
boron tribromide294866 often sometimes almost never
AIBN (Azobisisobutyronitrile) (heating produces deadly tetramethylsuccinonitrile)344468 often sometimes almost never
borane372668 often sometimes almost never
chlorine gas5835 often sometimes almost never
phosphorus oxychloride334262 often sometimes almost never
KCN202549 often sometimes almost never
Sodium Nitrite92935 often sometimes almost never
trimethyltin chloride6932 often sometimes almost never
diethyl chlorophosphate10535 often sometimes almost never
carbon tetrachloride307152 often sometimes almost never
Thiols (all of them)363956 often sometimes almost never
potassium cyanide61023 often sometimes almost never
silver nitrate183634 often sometimes almost never
tin(IV) chloride019 often sometimes almost never
diethyl chlorophosphate127 often sometimes almost never
arsine013 often sometimes almost never
Chlorine204 often sometimes almost never
2-methylaziridine102 often sometimes almost never
BOC2O (di-t-butyl-dicarbonate)604060 often sometimes almost never
VX404 often sometimes almost never
thionyl chloride615056 often sometimes almost never
piperidine302025 often sometimes almost never
Pyridine8102 often sometimes almost never
Aqua Regia (HCl and HNO3)585346 often sometimes almost never
Bromine607547 often sometimes almost never
Thionyl Chloride321818 often sometimes almost never
sodium iodide585340 often sometimes almost never
methyl iodide717141 often sometimes almost never
benzene9711044 often sometimes almost never
BuLi772916 often sometimes almost never
ethanol6772 often sometimes almost never
pyridine1117923 often sometimes almost never
air1231613 often sometimes almost never
Methanol142244 often sometimes almost never
acetonitrile1854310 often sometimes almost never
Water (powerful drowning agent)2701040 often sometimes almost never
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