Acetone Acetone Acetone (propanone) is the organic compound with the formula (CH)CO. It is a colorless, volatile, flammable liquid, and is the simplest and smallest ketone. Acetone is miscible with water and serves as an important solvent in its own right, typically for cleaning purposes in laboratories. About 6.7 million tonnes were produced worldwide in 2010, mainly for use as a solvent and production of methyl methacrylate and bisphenol A. It is a common building block in organic chemistry. Familiar household uses of acetone are as the active ingredient in nail polish remover, and as paint thinner. Acetone is produced and
PEAR of PEAR and PECL extensions. On PHP installations running on Linux, the PEAR package manager is ready for usage by default, but on Windows the PEAR package manager is only available after running a batch file called codice_2. With Pyrus an attempt was undertaken to redesign and improve PEAR from the ground up for PHP 5.3 or newer. Pyrus can be used to install packages from PEAR channels. The last release is from March 2011 and its development might have been discontinued due to the popularity of Composer. With Composer there is an alternative available for managing packages for a