Search results
Results from the Tech24 Deals Content Network
When H2O2 acts as a reducing agent, oxygen gas is also produced. For example, hydrogen peroxide will reduce sodium hypochlorite and potassium permanganate, which is a convenient method for preparing oxygen in the laboratory: NaOCl + H2O2 → O2 + NaCl + H2O. 2 KMnO4 + 3 H2O2 → 2 MnO2 + 2 KOH + 2 H2O + 3 O2.
Peroxide. In chemistry, peroxides are a group of compounds with the structure R−O−O−R, where the R's represent any element and O's are single oxygen molecules. [1] [2] Oxygens are joined to each other and to adjacent elements through single covalent bonds, denoted by dashes or lines. The O−O group in a peroxide is often called the ...
From hydrogen peroxide. Dialkyl peroxides, e.g., dicumyl peroxide, are synthesized by addition of hydrogen peroxide to alkenes or by O-alkylation of hydroperoxides. Diacyl peroxides are typically prepared by treating hydrogen peroxide with acid chlorides or acid anhydrides in the presence of base: H 2 O 2 + 2 RCOCl → (RCO 2) 2 + 2 HCl
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 (C 6 H 5 −C(=O)O−) 2, often abbreviated as (BzO) 2. In terms of its structure, the molecule can be described as two benzoyl ( C 6 H 5 −C(=O)− , Bz) groups connected by a peroxide ( −O−O− ).
Calcium peroxide. Chlorine peroxide. Chromium (VI) oxide peroxide. Copper peroxide.
HAZMAT 5.1 placard on a pail of UN 2468,Trichloroisocyanuric acid for use in swimming pools. An oxidizer is a material that may, generally by yielding oxygen, cause or enhance the combustion of other materials.
Reactions with aldehydes and ketones yield a series of compounds depending on conditions. Specific reactions include addition of hydrogen peroxide across the C=O double bond: R2C=O + H2O2 → R2C (OH)OOH. In some cases, these hydroperoxides convert to give cyclic diperoxides: [R2C (O2H)]2O2 → [R2C]2(O2)2 + 2 H2O.
Hydrogen peroxide - urea is a readily water-soluble, odorless, crystalline solid, which is available as white powder or colorless needles or platelets. [2] Upon dissolving in various solvents, the 1:1 complex dissociates back to urea and hydrogen peroxide. So just like hydrogen peroxide, the (erroneously) so-called adduct is an oxidizer but the ...
Main group peroxides are peroxide derivatives of the main group elements. Many compounds of the main group elements form peroxides, and a few are of commercial significance. Examples. With thousands of tons/year being produced annually, the peroxydisulfates, S 2 O 2− 8, are preeminent members of this class.