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...
phosgene2436127 often sometimes almost never
thallium(III) oxide114112 often sometimes almost never
tetraazido-pentaerythritol94108 often sometimes almost never
ethylene oxide1211107 often sometimes almost never
oxalonitrile74101 often sometimes almost never
chloroacetaldehyde87101 often sometimes almost never
hydrazoic acid41296 often sometimes almost never
dibromodifluorometahne7798 often sometimes almost never
thiophosgene1413104 often sometimes almost never
Organomercury compounds1210101 often sometimes almost never
hydrogen cyanide91697 often sometimes almost never
dimethylmercury11498 often sometimes almost never
acridine9495 often sometimes almost never
white phosphorus101095 often sometimes almost never
chromyl chloride9793 often sometimes almost never
Magic methyl (methylflurosulfonate)101094 often sometimes almost never
MOM-Cl (methoxymethyl chloride)4242124 often sometimes almost never
2-ethylpyridine15796 often sometimes almost never
mercuric chloride171096 often sometimes almost never
methyl isocyanate10988 often sometimes almost never
cyanogen bromide111588 often sometimes almost never
hexafluoro-2,4-pentanedione16691 often sometimes almost never
trimethyltin hydroxide14588 often sometimes almost never
hydrogen selenide19391 often sometimes almost never
fluorine7578 often sometimes almost never
diepoxybutane18489 often sometimes almost never
ethidium bromide172187 often sometimes almost never
thioacetone3472 often sometimes almost never
selenium dioxide102478 often sometimes almost never
Dinitrophenylhydrazones141582 often sometimes almost never
hexamethylditin23789 often sometimes almost never
trimethylsilyl cyanide181883 often sometimes almost never
lead tetraacetate7772 often sometimes almost never
tributyltin choride191483 often sometimes almost never
tetramethyl tin211284 often sometimes almost never
sulfur trioxide181480 often sometimes almost never
hydrofluoric acid (HF)163477 often sometimes almost never
hydrogen sulfide191779 often sometimes almost never
chromium trioxide122672 often sometimes almost never
fluoroacetic acid181477 often sometimes almost never
acrylonitrile201478 often sometimes almost never
tellurium14471 often sometimes almost never
diazomethane242080 often sometimes almost never
perchloric acid163071 often sometimes almost never
ozone281881 often sometimes almost never
2-methoxyethanol91362 often sometimes almost never
chloroacetone221674 often sometimes almost never
hexamethylphosphoramide (HMPA)144366 often sometimes almost never
Ethyl bromoacetate173368 often sometimes almost never
carbon disulfide183268 often sometimes almost never
NO gas12762 often sometimes almost never
acrylamide gels151365 often sometimes almost never
osmium tetroxide222871 often sometimes almost never
AgCN5654 often sometimes almost never
nitrosobenzene12960 often sometimes almost never
carbon monoxide252473 often sometimes almost never
dimethyl sulfate242271 often sometimes almost never
potassium cyanide184164 often sometimes almost never
NaCN193965 often sometimes almost never
Mustard compounds5450 often sometimes almost never
indole16560 often sometimes almost never
thiophenol253068 often sometimes almost never
BOM-Cl (benzyloxymethyl chloride)291772 often sometimes almost never
dimethyl acetylenedicarboxylate10951 often sometimes almost never
Aromatic amines with a blocked para position, i.e. 2-aminonaphthalene (kidney cancer)232964 often sometimes almost never
benzyl chloride285868 often sometimes almost never
HBTU 2-(1H-benzotriazol-1-yl)-1,1,3,3-tetramethyluronium hexafluorophosphate341873 often sometimes almost never
chromic acid reagent242962 often sometimes almost never
tributyltin hydride292266 often sometimes almost never
nickel tetracarbonyl4340 often sometimes almost never
methyl vinyl ketone332768 often sometimes almost never
DEAD (diethylazodicarboxylate)253560 often sometimes almost never
boron tribromide264460 often sometimes almost never
AIBN (Azobisisobutyronitrile) (heating produces deadly tetramethylsuccinonitrile)304262 often sometimes almost never
sodium cyanide323963 often sometimes almost never
thallium sulfate3233 often sometimes almost never
isopropyl isocyanate3231 often sometimes almost never
phosphorus oxychloride303757 often sometimes almost never
Sodium Nitrite82332 often sometimes almost never
borane362459 often sometimes almost never
KCN182341 often sometimes almost never
chlorine gas5826 often sometimes almost never
carbon tetrachloride286548 often sometimes almost never
Thiols (all of them)303750 often sometimes almost never
diethyl chlorophosphate9327 often sometimes almost never
trimethyltin chloride6823 often sometimes almost never
silver nitrate143329 often sometimes almost never
potassium cyanide6716 often sometimes almost never
BOC2O (di-t-butyl-dicarbonate)553556 often sometimes almost never
thionyl chloride524352 often sometimes almost never
piperidine241622 often sometimes almost never
Thionyl Chloride211215 often sometimes almost never
Aqua Regia (HCl and HNO3)535339 often sometimes almost never
Bromine577041 often sometimes almost never
sodium iodide564836 often sometimes almost never
methyl iodide686537 often sometimes almost never
ethanol4762 often sometimes almost never
benzene8810540 often sometimes almost never
BuLi732314 often sometimes almost never
pyridine1047223 often sometimes almost never
air1091512 often sometimes almost never
Methanol120244 often sometimes almost never
acetonitrile1723910 often sometimes almost never
Water (powerful drowning agent)2471037 often sometimes almost never
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