C-9 petroleum resin is a resin derived from petroleum, also known as petroleum resin or petroleum glue. It is a colorless to yellowish liquid with high viscosity and viscosity. C-9 petroleum resin is mainly composed of C-9 hydrocarbons, the main components of which are cyclohexane and cycloheptane. Carbon-9 petroleum resin has good solubility and adhesion, and is often used in the manufacture of glue, ink, paint, sealant, tape and other products. It can provide good adhesion and weather resistance, making it widely used in industrial and household applications. However, C9 petroleum resins also have some potential health and environmental risks. Due to its high volatility, long-term exposure or inhalation of C9 petroleum resin may cause damage to human health, such as irritation of the respiratory tract, skin and eyes. In addition, the production and use of carbon-9 petroleum resin may also cause pollution to the environment. Therefore, when using carbon-9 petroleum resin, attention should be paid to taking appropriate protective measures, such as wearing protective gloves, masks and goggles, ensuring a well-ventilated working environment, and following the relevant safe operating procedures. At the same time, alternatives should also be actively sought to reduce the dependence on C9 petroleum resins, thereby reducing potential risks to health and the environment.