5 years of studying chemical analysis told me the opposite:
https://en.m.wikipedia.org/wiki/Formic_acid
Boiling point 100.8 °C
Flash point 69 °C <- THIS
https://en.m.wikipedia.org/wiki/Flash_point
Being the simplest organic acid - Can you figure out what produces when it boils?
No chemical product are "safe" if you do not know how to handle them.