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2,4-Dimethylpentane is an alkane with the chemical formula [(H 3 C) 2 CH] 2 CH 2. This colorless hydrocarbon is produced in large quantities in oil refineries. It results from the alkylation of isobutane by propylene. [1] Often referred to as "alkylate", it is blended with other gasoline components to give a high octane fuel.
It is based on market capitalisation. Weighting of shares is conducted in proportion to the issued ordinary capital of the listed companies, valued at current market price (i.e. market capitalisation). The base year is 1985, and the base value of the index is 100. This is the longest and the broadest measure of the Sri Lankan Stock market.
[citation needed] SAFE consists of 17 exchanges from India, Pakistan, Bangladesh, Sri Lanka, Nepal, and Bhutan. Its primary objectives are to encourage cooperation among its members to promote the development of their individual securities markets, to develop an integrated regional stock trading system, and to offer to list and trade securities ...
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2,4-Dimethyl-6-tert-butylphenol is the organic compound with the formula Me 2 (tert-Bu)C 6 H 2 OH (Me = methyl, tert-Bu = tertiary butyl). It is a colorless oil that is classified as an alkylated phenol .
2,5-Dimethylthiophene is an organosulfur compound with the formula C 4 H 2 (CH 3) 2 S. It is one of four isomers of dimethylthiophene. A colorless liquid, it is prepared by sulfurization of hexane-2,5-dione. [1] It is approved as a food flavouring additive in Europe. [2]
2,6-Dimethylnaphthalene is mainly used for the preparation of 2,6-naphthalenedicarboxylic acid by oxidation of 2,6-dimethylnaphthalene in the liquid phase. 2,6-Naphthalenedicarboxylic acid is a monomer for the production of high-performance polymers, in particular poly (ethylene-2,6-naphthalene dicarboxylate) or shorter polyethylene naphthalate (PEN). [4]
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