2-Ethylhexyl Nitrate (EHN) | High-Performance Cetane Improver Diesel Fuel Additive Supplier Professional Manufacturer and Global Exporter of 2-Ethylhexyl Nitrate (EHN) from China 2-Ethylhexyl Nitrate (EHN) , also known as Isooctyl Nitrate , is a highly effective diesel fuel additive widely used as a cetane improver to enhance diesel ignition and combustion performance. EHN promotes faster ignition during fuel combustion, shortens ignition delay, improves combustion efficiency