Is Diesel Exhaust Fluid Toxic?
2 Answers
No, it is not toxic, but slightly alkaline and not suitable for drinking. The water used in automotive urea is ultra-pure water, containing virtually no metal ions, making it undrinkable. Diesel Exhaust Fluid (commonly known in China as automotive urea, vehicle urea, or automotive environmental urea) is a consumable required in SCR technology. Here is some relevant information: 1. SCR: The SCR system includes a urea tank (containing Diesel Exhaust Fluid) and an SCR catalytic reaction tank. 2. Operation process: The SCR system operates by automatically spraying Diesel Exhaust Fluid when nitrogen oxides are detected in the exhaust pipe. The Diesel Exhaust Fluid and nitrogen oxides undergo a redox reaction in the SCR catalytic reaction tank, producing harmless nitrogen and water vapor that are then expelled.
I've been driving diesel vehicles for many years and frequently use this exhaust purification fluid, which is mainly made of urea solution mixed with water, chemically known as Diesel Exhaust Fluid (DEF). To answer directly, is it toxic? Strictly speaking, it's not highly toxic, but it must never be consumed as a beverage because the urea concentration can cause nausea, vomiting, or more severe stomach issues, especially dangerous if accidentally ingested by children. Skin contact is generally not a major issue, but if it splashes into the eyes, rinse immediately with clean water for at least ten minutes to avoid irritation and redness. I always wear gloves when handling it to prevent itching or allergic reactions. Avoid storing it in high-temperature areas to prevent decomposition. From an environmental perspective, it's beneficial as it reduces nitrogen oxide emissions, helping to keep our city's air cleaner. However, improper handling can backfire. Overall, it's safe—just don't misuse it.
