English name: petrochemistry; petroleum chemistry uses n-propyl acetate, is one of chemistry. Composition of oil, classification and properties, as well as the processing of petroleum and petroleum products, refining and chemical synthesis problems. Petrochemical is a course on oil and gas and chemical properties of the product, the composition of the structure, hydrocarbon and non-hydrocarbon conversion reactions and disciplines like chemistry and research methods and petroleum processing. Covers the contents of the oil inside the gas, the main contents include: oil and gas causes and composition, oil and gas classification, the nature of the oil and gas, oil and gas production, oil component separation and composition, the nature of petroleum products, petrochemical products, nature, natural gas and chemical nature of the product, oil production and environmental protection. The material world is colorful shelf n-propyl acetate, from ancient times to the original classification (gold, wood, water, fire and earth) to modern (as of December 12, 2013) have determined the composition of hundreds of thousands compounds, each year there are a large number of new compounds were found. The number of known compounds, n-propyl acetate, price quotes, all aspects of the statistics is not consistent. More generally accepted in the United States, "Chemical Abstracts" the editorial department statistics: artificial compounds and synthetic compounds have been found to naturally occurring, about more than three million kinds. Some of these compounds consisting of two elements, by some three, four or even more of the chemical elements. Each year there are still number of newly synthesized compounds of more than 30 million, of which 90% are organic compounds. [7] Sichuan n-propyl acetate, n-propyl acetate quotes, Xiang dry chemical (certified merchants) by Andrew dry Jinan Chemical Limited. Jinan Cheung Dry Chemical Co. (www.xiangqianhuagong.com) is specialized in the "glycol" enterprise, the company of "honesty, hard service" concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Mr.