Limits for Residual Solvents in Cannabis Products
As of October 17, 2019, the document entitled Limits for Residual Solvents in Cannabis Products is no longer incorporated by reference in the Cannabis Regulations. During the 12-month transition period (October 17, 2019 to October 16, 2020), cannabis oil remains subject to the residual solvent limits set out below.
Solvent | Class | Limit (parts per million) |
---|---|---|
Acetic acid | Cannabis oil | 5000 |
Acetone | Cannabis oil | 5000 |
Anisole | Cannabis oil | 5000 |
1-Butanol | Cannabis oil | 5000 |
2-Butanol | Cannabis oil | 5000 |
Butane (sum of n- and iso-) | Cannabis oil | 5000 |
Butyl acetate | Cannabis oil | 5000 |
Tert-Butylmethyl ether | Cannabis oil | 5000 |
Carbon dioxide | Cannabis oil | No limit |
Dimethyl sulfoxide | Cannabis oil | 5000 |
Ethanol | Cannabis oil | 5000 |
Ethyl acetate | Cannabis oil | 5000 |
Ethyl ether | Cannabis oil | 5000 |
Ethyl formate | Cannabis oil | 5000 |
Formic acid | Cannabis oil | 5000 |
Heptane | Cannabis oil | 5000 |
Isobutyl acetate | Cannabis oil | 5000 |
Isopropyl acetate | Cannabis oil | 5000 |
Methyl acetate | Cannabis oil | 5000 |
3-Methyl-1-butanol | Cannabis oil | 5000 |
Methylethyl ketone | Cannabis oil | 5000 |
2-Methyl-1-propanol | Cannabis oil | 5000 |
Nitrogen | Cannabis oil | No limit |
Pentane | Cannabis oil | 5000 |
1-Pentanol | Cannabis oil | 5000 |
1-Propanol | Cannabis oil | 5000 |
2-Propanol | Cannabis oil | 5000 |
Propane | Cannabis oil | 5000 |
Propyl acetate | Cannabis oil | 5000 |
Triethylamine | Cannabis oil | 5000 |
Water | Cannabis oil | No limit |
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