2-Ethylhexyl Nitrate (EHN) | High-Efficiency Diesel Cetane Improver Supplier Professional Supplier and Exporter of 2-Ethylhexyl Nitrate from China 2-Ethylhexyl Nitrate (EHN), also known as Isooctyl Nitrate , is an effective diesel fuel additive primarily used to improve cetane performance and enhance diesel ignition characteristics. By accelerating the ignition process and reducing ignition delay, EHN helps promote more efficient combustion and improve engine starting