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Peroxide. In chemistry, peroxides are a group of compounds with the structure R−O−O−R, where the R's represent a radical (a portion of a complete molecule; not necessarily a free radical [1]) and O's are single oxygen atoms. [2] [3] Oxygen atoms are joined to each other and to adjacent elements through single covalent bonds, denoted by ...
Hydrogen peroxide ( H2O2) is a nonplanar molecule with (twisted) C 2 symmetry; this was first shown by Paul-Antoine Giguère in 1950 using infrared spectroscopy. [9] [10] Although the O−O bond is a single bond, the molecule has a relatively high rotational barrier of 386 cm −1 (4.62 kJ / mol) for rotation between enantiomers via the trans ...
Acetone peroxide ( ⫽ æsəˈtəʊn pɛrˈɒksaɪd ⫽ ⓘ also called APEX and mother of Satan [3] [4]) is an organic peroxide and a primary explosive. It is produced by the reaction of acetone and hydrogen peroxide to yield a mixture of linear monomer and cyclic dimer, trimer, and tetramer forms. The monomer is dimethyldioxirane.
Trello is a web-based, kanban-style, list-making application developed by Atlassian. Created in 2011 by Fog Creek Software , [5] it was spun out to form the basis of a separate company in New York City in 2014 [6] [7] [8] and sold to Atlassian in January 2017.
The peroxide value is defined as the amount of peroxide oxygen per 1 kilogram of fat or oil. Traditionally this was expressed in units of milliequivalents, although in SI units the appropriate option would be in millimoles per kilogram (N.B. 1 milliequivalents = 0.5 millimole; because 1 mEq of O2 =1 mmol/2=0.5 mmol of O2, where 2 is valence).
Benzoyl peroxide is a chemical compound (specifically, an organic peroxide) with structural formula (C6H5−C (=O)O−)2, often abbreviated as (BzO) 2. In terms of its structure, the molecule can be described as two benzoyl ( C6H5−C (=O)−, Bz) groups connected by a peroxide ( −O−O− ). It is a white granular solid with a faint odour of ...
Peracetic acid (also known as peroxyacetic acid, or PAA) is an organic compound with the formula CH 3 CO 3 H. This peroxy acid is a colorless liquid with a characteristic acrid odor reminiscent of acetic acid. It can be highly corrosive . Peracetic acid is a weaker acid than the parent acetic acid, with a p Ka of 8.2.
High-test peroxide ( HTP) is a highly concentrated (85 to 98%) solution of hydrogen peroxide, with the remainder consisting predominantly of water. In contact with a catalyst, it decomposes into a high-temperature mixture of steam and oxygen, with no remaining liquid water. It was used as a propellant of HTP rockets and torpedoes, and has been ...