Sign In
We are manufacturing and exporting huge range of 1,4-Benzoquinones in Tianjin, China.
1,4-Benzoquinone, commonly known as para-quinone, is a chemical compound with the formula C6H4O2. In a pure state, it forms bright-yellow crystals with a characteristic irritating odor, resembling that of chlorine, bleach, and hot plastic. This six-membered ring compound is the oxidized derivative of 1,4-hydroquinone. The molecule is multifunctional: it exhibits properties of a ketone, forming an oxime; an oxidant, forming the dihydroxy derivative; and an alkene, undergoing addition reactions, especially those typical for I ,I -unsaturated ketones. 1,4-Benzoquinone is sensitive toward both strong mineral acids and alkali, which cause condensation and decomposition of the compound.
Industrial routes
1,4-Benzoquinone is prepared by oxidation of diisopropylbenzene via a reaction related to the Hock rearrangement:
C6H4(CHMe2)2 + 3 O2 a C6H4O2 + 2 OCMe2 + H2O
The reaction proceeds via the bis(hydroperoxide). Acetone is a coproduct.
Another major process involves the direct hydroxylation of phenol by acidic hydrogen peroxide: C6H5OH + H2O2 a C6H4(OH)2 + H2O Both hydroquinone and catechol are produced. Subsequent oxidation of the hydroquinone gives the quinone.
Applications
Quinone is mainly used as a precursor to hydroquinone, which is used in photography and rubber manufacture as a reducing a
Established in 1995 , TIANJIN ZHONGXIN CHEMTECH CO., LTD. has made a name for itself in the list of top suppliers of Chemical Additives, Chemical Additives in China. The supplier company is located in Tianjin, Tianjin and is one of the leading sellers of listed products.TIANJIN ZHONGXIN CHEMTECH CO., LTD. is listed in Trade India's list of verified sellers offering supreme quality of Tri (2,3-dichloropropyl) Phosphate etc. Buy Chemical Additives, Chemical Additives in bulk from us for the best quality products and service.
