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anhydride

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anhydride

Chemical compound obtained by the removal of water from another compound; usually a dehydrated acid. For example, sulphur(VI) oxide (sulphur trioxide, SO3) is the anhydride of sulphuric acid (H2SO4).

For monobasic acids, such as carboxylic acids, the formation of an anhydride involves the loss of a molecule of water from two molecules of acid or from two carboxylic groups within one molecule, the latter resulting in a ring closure.



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? Mentioned in ? References in periodicals archive
 
Part of the Sartomer Asia division, the office will serve formulators and chemists throughout Japan, providing technical and sales support for Sartomer's entire line of specialty chemicals, including monomers, oligomers, polybutadiene resins and styrene maleic anhydride resins.
Sartomer by Rubber World
The researchers make the strength-giving component by reacting trimellitic anhydride with an amino acid such as glycine.
Making polymers for surgical implants by Science News
Huntsman Corporation has made significant progress towards realizing the addition of a new 100 million-pound per year maleic anhydride (MA) unit at its joint venture.
Huntsman Hires Engineer and Seeks C/M for New Maleic Anhydride Unit ... by Business Wire
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