For example, in Colorado, benzene, a Class 1 solvent, is allowed at a level of up to two parts per million (ppm). We discuss state-by-state regulations for residual solvents in a separate article, but as an example, here are acceptable levels for Colorado:Acceptable levels of residual solvents in ColoradoSubstanceAcceptable limits per gramButanes<5,000 ppmHeptanes<5,000 ppmBenzene<2 ppmToluene<890 ppmHexane<290 ppmTotal Xylenes<1 ppmCanada, where cannabis products were legalized across the country in 2018, has its own set of regulations.Health implications of ingesting common solventsThe main solvents used in cannabis extraction are carbon dioxide, butane, and ethanol. For example, benzene, toluene, and xylenes (known collectively as BTX) are found in natural gas, from which butane is sourced.This explains why you’ll find some pretty harmful substances on residual solvent lists. However, it’s possible that some Class 1 and 2 solvents can end up in final products, often as contaminants of Class 3 solvents. Class 3 solvents have low toxic potential and are the only ones recommended for use in the production of cannabis extracts. In this article we’ll look at the regulations surrounding residual solvents and the risks these substances might pose to human health as a result of overconsumption.Restrictions on solvent levelsKnowing that the presence of some residual solvents in cannabis products is inevitable, relevant authorities impose limits on the levels allowed for each type of solvent.Solvents are classified in three divisions: Class 1, 2, and 3. That’s why it’s always important to get your cannabis products from a legal, licensed store.When consumed at high levels, these solvents could pose health risks, some of which aren’t entirely established. But when it comes to products that are not regulated, such as those sold illicitly, it can be difficult to know how much of a solvent remains. In regulated markets, there are specified levels of solvents that are allowed in products sold or prescribed to consumers. However, there are still plenty of concentrate products available that involve the use of hydrocarbons-such as butane and propane-ethanol, or carbon dioxide to pull THC, CBD, terpenes, and more from raw cannabis plants.While efforts are made to remove these solvents, it’s likely that some amount will end up in the final product. Last updated July 28, 2020(HubbardSteve/AdobeStock)Many cannabis producers have moved beyond using solvent extractions to isolate cannabinoids and other desirable compounds from cannabis plants.I confirm that this is not a shared device.By accessing this site, you accept the Terms of Use and Privacy Policy.Įxplore more topicsNewsCannabis 101GrowingStrains & productsCBDPoliticsHealthLifestyleScience & techIndustryReportsCanadaPodcastsLeafly TVLeafly ListsScience & techWhen you should worry about leftover solvents in cannabis oilAimee O'DriscollPublished on Janu Get cannabis.Where are you from?United StatesCanadaAre you 21 or older?not yetyou bet!Remember me for 30 days. See our Cookie Policy and Privacy Policy to learn moreSign inCreate accountStrainsShopDeliveryDealsDispensariesCBD StoresBrandsProductsLearnCannabis 101NewsLeafly LearnScience of cannabisDoctorsSocial impactLab partners Download the Leafly AppAdvertise on Leafl圜. When you should worry about leftover solvents in cannabis oil | Leafly LeaflyShop legal, local weed.Openadvertise on LeaflyLocating.changeDeliveryDispensariesDealsStrainsBrandsProductsCBDDoctorsCannabis 101Social impactWe use cookies for certain features and to improve your experience.
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