Residual Solvents

What Are Residual Solvents?

There are a variety of processing methods that are used when manufacturing extracted cannabis products. These extracted cannabis products may retain solvent residues, if proper processing and purging methods are not utilized.

Residual solvents are byproducts found in processed cannabis. The following products may have residual solvents, impurities or toxic odorants : BHO, Rick Simpson Oil (RSO), Budder, Honeycombs, Crumbles, Waxes, Honey Oils, Shatter, Amber Glass, and Hash.

How Can I Protect Myself From Ingesting Residual Solvents?

To ensure that you are consuming clean medicine, ask your dispensary, grower, or care provider for residual solvent test results. This will help protect you and your patient’s health and well-being.

Residual Solvent Testing

Green Leaf Lab tests for the following residual solvents:

  • Acetone
  • Ethanol
  • 2-propanol (Isopropyl alcohol)
  • Hexane
  • Chloroform
  • Carbon Tetrachloride
  • Butane
  • Pentane
  • Heptane
  • Propane
  • Benzene
  • Toluene
  • Ethyl Benzene
  • Xylene