Is (3,4-Difluorophenyl)hydrazine hydrochloride (CAS: 40594-37-4) safe?

(3,4-Difluorophenyl)hydrazine hydrochloride is generally considered safe when handled with appropriate precautions. However, it is important to follow safety guidelines, including the use of appropriate personal protective equipment (PPE) such as gloves and goggles. Exposure to skin or inhalation can cause irritation, so it should be stored and used in a well-ventilated area. Avoid contact with eyes and skin, and seek medical attention if exposure occurs.