Prohibited and Limited Chemicals


Perchloric Acid* Formation of potentially explosives salts.  Benchtop work prohibited, fume hood work prohibited (*use in CASES building perchloric acid hood is allowed), expiry 2 years from manufacture (must be tracked in ErPortal).
Radioactive Materials Lakehead University does not currently hold a license for use of radioactive materials on Campus
Asbestos Asbestos is a designated substance.  Equipment purchased or acquired by Lakehead University must be free from asbestos. 
Limited Chemicals/Items 
Picric Acid Picric acid crystals are highly shock sensitive.  Only purchase quantities which will be used up in 2 years.  Expiry is 2 years from date of manufacture (must be tracked in ErPortal).
Biohazardous Materials May only be acquired through purchasing on approval of the Biosafety Officer and Lakehead University Biosafety Committee.
Lasers Class 3A + lasers must be on the University Inventory, contact the Lab Safety Officer
X-rays Devices X-ray producing devices must be registered with the Ontario government and may require use of personnel dosimeters.  Contact the Lab Safety Officer.
Hydrofluoric Acid Hydrofluoric Acid can cause fatalities with a very small exposure.  Use and storage requires availability of an antidote.  Only labs that have rigorous training programs will be able to purchase and use hydrofluoric acid.  Antidote expiry must be tracked in ErPortal.
AzidesForms shock sensitive compounds with some metals, produces a highly toxic and explosive acid when reacts with strong acids, reacts violently with oxidizing agents.  Purchase only quantities that can be used up within one year (expiry date to be tracked on ErPortal).  Do not accept stock from laboratory close-outs.
Metal Fulminates 
Mercury or Mercury Compounds 
Lead or Lead Compounds 
Acrylamide monomer 
Chemicals on the Montreal Accord 
Chemicals With Expiry Dates 
 Sodium Azide 
  Diethyl Ether 
 Tetrahydrofuran (THF) 
 Picric Acid 
 Sodium Amide