Starting at around 175-203°C, citric acid can degrade to form citraconic anhydride and its isomer itaconic anhydride. These anhydrides are respiratory sensitizers - chemicals that, on inhalation ...

Starting at around 175-203 degree Celsius, citric acid can degrade to form citraconic anhydride and its isomer itaconic anhydride. These anhydrides are respiratory sensitisers--chemicals that ...

Starting at around 175-203°C, citric acid can degrade to form citraconic anhydride and its isomer itaconic anhydride. These anhydrides are respiratory sensitisers--chemicals that, on inhalation ...

Among the interesting preparations are itaconic anhydride and acid (from citric acid), citraconic anhydride and acid (from itaconic anhydride), mesaconic acid (from citraconic anhydride), cyanogen ...