e500–e599 (acidity regulators, anti-caking agents) |
| code | name | purpose | status |
| e500 | sodium carbonates (i) sodium carbonate (ii) sodium bicarbonate (sodium hydrogen carbonate) (iii) sodium sesquicarbonate (acidity regulator) | raising agent | n/a |
| e501 | potassium carbonates (i) potassium carbonate (ii) potassium bicarbonate (potassium hydrogen carbonate) | acidity regulator | n/a |
| e503 | ammonium carbonates (i) ammonium carbonate (ii) ammonium bicarbonate (ammonium hydrogen carbonate) | acidity regulator | n/a |
| e504 | magnesium carbonates (i) magnesium carbonate (ii) magnesium bicarbonate magnesium hydrogen carbonate | acidity regulator, anti-caking agent | n/a |
| e505 | ferrous carbonate | acidity regulator | n/a |
| e507 | hydrochloric acid | acid | n/a |
| e508 | potassium chloride (gelling agent) | seasoning | n/a |
| e509 | calcium chloride (sequestrant) | firming agent | n/a |
| e510 | ammonium chloride, ammonia solution (acidity regulator) | improving agent | n/a |
| e511 | magnesium chloride | firming agent | n/a |
| e512 | stannous chloride | antioxidant | unpermitted |
| e513 | sulphuric acid | acid | n/a |
| e514 | sodium sulphates (i) sodium sulphate (ii) | acid | n/a |
| e515 | potassium sulphates (i) potassium sulphate (ii) | | n/a |
| e516 | calcium sulphate | | n/a |
| e517 | ammonium sulphate | improving agent | n/a |
| e518 | magnesium sulfate (epsom salts), (acidity regulator) | firming agent | n/a |
| e519 | copper(ii) sulphate | preservative | n/a |
| e520 | aluminium sulphate | firming agent | n/a |
| e521 | aluminium sodium sulphate | firming agent | n/a |
| e522 | aluminium potassium sulphate | acidity regulator | n/a |
| e523 | aluminium ammonium sulphate | acidity regulator | n/a |
| e524 | sodium hydroxide | acidity regulator | n/a |
| e525 | potassium hydroxide | acidity regulator | n/a |
| e526 | calcium hydroxide (acidity regulator) | firming agent | n/a |
| e527 | ammonium hydroxide | acidity regulator | n/a |
| e528 | magnesium hydroxide | acidity regulator | n/a |
| e529 | calcium oxide (acidity regulator) | improving agent | n/a |
| e530 | magnesium oxide (acidity regulator) | anti-caking agent | n/a |
| e535 | sodium ferrocyanide (acidity regulator) | anti-caking agent | n/a |
| e536 | potassium ferrocyanide | anti-caking agent | n/a |
| e537 | ferrous hexacyanomanganate | anti-caking agent | unpermitted |
| e538 | calcium ferrocyanide | anti-caking agent | n/a |
| e539 | sodium thiosulphate | antioxidant | n/a |
| e540 | dicalcium diphosphate (acidity regulator) | emulsifier | n/a |
| e541 | sodium aluminium phosphate (i) acidic (ii) basic | emulsifier | n/a |
| e542 | bone phosphate (essentiale calcium phosphate, tribasic) | anti-caking agent | n/a |
| e543 | calcium sodium polyphosphate | emulsifier | n/a |
| e544 | calcium polyphosphate | emulsifier | n/a |
| e545 | ammonium polyphosphate | emulsifier | n/a |
| e550 | sodium silicates (i) sodium silicate (ii) sodium metasilicate | anti-caking agent | n/a |
| e551 | silicon dioxide (silica) | anti-caking agent | n/a |
| e552 | calcium silicate | anti-caking agent | n/a |
| e553a | (i) magnesium silicate (ii) magnesium trisilicate | anti-caking agent | n/a |
| e553b | talc | anti-caking agent | n/a |
| e554 | sodium aluminosilicate (sodium aluminium silicate) | anti-caking agent | n/a |
| e555 | potassium aluminium silicate | anti-caking agent | n/a |
| e556 | calcium aluminosilicate (calcium aluminium silicate) | anti-caking agent | n/a |
| e557 | zinc silicate | anti-caking agent | unpermitted |
| e558 | bentonite | anti-caking agent | n/a |
| e559 | aluminium silicate (kaolin) | anti-caking agent | n/a |
| e560 | potassium silicate | anti-caking agent | n/a |
| e561 | vermiculite | | n/a |
| e562 | sepiolite | | n/a |
| e563 | sepiolitic clay | | n/a |
| e565 | lignosulphonates | | n/a |
| e566 | natrolite-phonolite | | n/a |
| e570 | stearic acid (fatty acid) | anti-caking agent | n/a |
| e572 | magnesium stearate, calcium stearate (emulsifier) | anti-caking agent | n/a |
| e574 | gluconic acid | acidity regulator | n/a |
| e575 | glucono delta-lactone (acidity regulator) | sequestrant | n/a |
| e576 | sodium gluconate | sequestrant | n/a |
| e577 | potassium gluconate | sequestrant | n/a |
| e578 | calcium gluconate | firming agent | n/a |
| e579 | ferrous gluconate | food colouring | n/a |
| e580 | magnesium gluconate | | n/a |
| e585 | ferrous lactate | food colouring | n/a |
| e586 | 4-hexylresorcinol | antioxidant | n/a |
| e598 | synthetic calcium aluminates | | n/a |
| e599 | perlite | | n/a |
