is a clear, pale to yellow mono aromatic solvent that is manufactured from petroleum products. Due to 100% Aromatic content & high solvency performance used to cleaning polymer buildup in process compressors, Wash Oil is having a sweet aromatic smell because it mainly consists of C12-13 aromatic hydrocarbon & flash point above 85 deg C. Wash Oil is also known by industrial names as Exxwash. The CAS number for Wash Oil is 64742-95-5