Mellitic anhydride

  • 2,5,8 - Trioxatrinden -1 ,3,4,6,7,9 - hexaon
  • Benzo [1,2- c :3,4 -c ' :5,6 - c'' ] trifuran - 1,3,4,6,7,9 - hexaon
  • Mellitsäuretrianhydrid
  • Dodecakohlenstoffnonaoxid

White solid

Fixed

1.81 g · cm -3

> 320 ° C ( decomposition)

Insoluble in cold water Decomposition in hot water and ethanol Soluble in acetic acid, acetone, ethyl acetate and quinol Insoluble in diethyl ether, benzene, chloroform

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Mellitsäureanhydrid (more precisely: Mellitsäuretrianhydrid ) is the Trianhydrid the mellitic ( benzenehexacarboxylic C6 ( COOH) 6). It consists of only carbon and oxygen, and is thus formally an oxide of carbon ( Dodecakohlenstoffnonaoxid ).

It is a white, vacuum sublimatable solid, Liebig and Wohler in 1830 in their study of mellit (honey stone) have isolated and initially assigned the formula C4O3. The substance was characterized in 1913 by H. Meyer and K. Steiner. The benzene ring retains the aromatic character.

Mellitsäureanhydrid can be used to improve the properties of the thermoplastic resin, polyethylene terephthalate ( PET), or are esterified with cellulose or collagen, to give products with new properties.

CAS registry number PubChem Mellite Annalen der Physik Helvetica Chimica Acta Digital Object Identifier
243558
de