Yes, HHC is legal in Alabama under state law , which coincides with federal law. As a result, Alabama has specifically legalized all hemp products that contain less than 0.3% THC.
Most US states don’t have any laws covering HHC. Despite this compound being around for decades, it seems lawmakers haven’t heard of it yet. Because of this, HHC is legal in most but not all US states. Here’s a snapshot of the current state of HHC legality in the United States.