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At room temperature, pure succinic acid is a solid that forms colorless, odorless crystals. It has a melting point of 185 °C and a boiling point of 235 °C. It is a diprotic acid. The carboxylate anion is called 'succinate and esters of succinic acid are called alkyl succinates.
This is catalysed by the enzyme succinate dehydrogenase (or complex II of the mitochondrial ETC). The complex is a 4 subunit membrane-bound lipoprotein which couples the oxidation of succinate to the reduction of ubiquinone. Intermediate electron carriers are FAD and three Fe2S2 clusters part of subunit B.
Mark Donnelly from Argonne National Laboratory developed one of the best strains (AFP 184) to convert raw hydrolysates from biomass to succinate.
The acid is combustible and corrosive, capable of causing burns. "Harmful by inhalation, ingestion and through skin absorption. Wash after handling. Eye contact may cause serious damage."
Succinic acid can be converted to fumaric acid by oxidation.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Succinic_acid". A list of authors is available in Wikipedia.|