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Ethyl acetate (systematically ethyl ethanoate, commonly abbreviated EtOAc or EA) is the organic compound with the formula CH3–COO–CH2–CH3, simplified to C4H8O2. This colorless liquid has a characteristic sweet smell (similar to pear drops) and is used in glues, nail polish removers, decaffeinating tea and coffee, and cigarettes (see a list of additives in cigarettes). Ethyl acetate is the ester of ethanol and acetic acid; it is manufactured on a large scale for use as a solvent. The combined annual production in 1985 of Japan, North America, and Europe was about 400,000 tonnes.

Metalbrite contains rust dissolving acidic ingredient, which is free from Hydrochloric, Nitric, Sulphuric and any such acidic mixture which is corroding metal surface rapidly. Metal Brite very important role during Ship holds cleaning process for removal of rust stain and rust deposition from joint and unprotected area. As during loading of clean cargo like Urea, Salt etc. presence of rust can spoil cargo physical properties.

Nitric acid (HNO3), also known as aqua fortis and spirit of niter, is a highly corrosive mineral acid.The pure compound is colorless, but older samples tend to acquire a yellow cast due to decomposition into oxides of nitrogen and water. Most commercially available nitric acid has a concentration of 68% in water. When the solution contains more than 86% HNO3, it is referred to as fuming nitric acid.