Nope, you can get it on amazon. https://www.amazon.com/TissuePro-NFB03-32R-Neutral-Buffered-Formalin/dp/B018REELP0/ref=sr_1_5?crid=R3OQDTB9T826&dchild=1&keywords=formalin&qid=1592164034&sprefix=formalin%2Caps%2C204&sr=8-5
You're probably thinking of Formaldehyde.