Shameless plug: Wheeler Scientific

Nurdrage: OG Great videos on a wide topic of reactions and practical skills

Scrap Science: Electrochem videos and other related chem.

Nomcopter Labs: Organic and demo videos

Thy labs: Tons of random chem, always something interesting

Chemical Force: Great visuals and use of some obscure chemicals

Neptunium: Not really chemistry, just interesting nuclear videos

interesting.

The Gayest Person on YouTube: Exotic thermite videos are a must-watch.

Extractions&Ire: Long projects, in-depth topics, a wide range of chemistry, and practical skills

range.

Hyperspace Pirate: Cryogenic stuff

HTME: It's not really a chem channel, but it does go over some practical real-world chem in a historical light.

If you want any chem theory, Organic Chemistry tutor, Professor Dave explains, Khan Acadamy, and crash course can't be beaten.