The numbers below are internationally assigned by the Codex Alimentarius Committee to different food additives for use on labels, to allow each additive to be uniquely identified.

In the European Community, approved food additives are written with a prefix of 'E'. Australia and New Zealand have their own set of approved additives, which are not written with a prefix letter. In the table below, food additives approved for Europe are listed with an E, and those approved for Australia and New Zealand with an A.

NumberApprov. Names Type
100AEturmeric, curcumincolour
101AEriboflavin, vitamin B2colour
102AEtartrazinecolour (yellow)
103Aalkanetcolour (red)
104AEQuinoline yellowcolour
107EYellow 2Gcolour
110AESunset yellow FCFcolour
120AEcochineal, carminescolour (red)
121Citrus red 2colour
122AEazorubine, carmoisinecolour
123Eamaranthcolour (red)
124AEBrilliant Scarlet 4R, Ponceau 4Rcolour
125Ponceau SXcolour
127Eerythrosinecolour
128ERed 2Gcolour
129AEAllura red ACcolour
131EPatent blue Vcolour
132AEindigo carmine, indigotinecolour
133AEBrilliant blue FCFcolour
140AEchlorophyllscolour
141AEcopper chlorophyllscolour
142AEGreen Scolour
143AEFast green FCFcolour
150aAEcaramel I - plaincolour
150bAEcaramel II - caustic sulphite processcolour
150cAEcaramel III - ammonia processcolour
150dAEcaramel IV - ammonia sulphite processcolour
151AEBrilliant Black BNcolour
153AEvegetable carbon, carbon blackcolour
154EBrown FKcolour
155AEChocolate Brown HTcolour
160aAEcarotenescolour
160bEannatto, bixin, norbixincolour
160cAEpaprika extract, capsanthincolour
160dAElycopenecolour
160eAEbeta-apo-8'-carotenalcolour
160fAEbeta-apo-8'-carotenic acid estercolour
161aAflavoxanthincolour
161bAEluteincolour
161cAkryptoxanthincolour
161dArubixanthincolour
161eAvioloxanthincolour
161fArhodoxanthincolour
161gEcanthaxanthincolour
162AEbeet redcolour
163AEanthocyaninscolour
164ASaffron, crocetin and crocin
170Ecalcium carbonatescolour, anticaking agent, stabiliser
171AEtitanium dioxidecolour
172AEiron oxides and hydroxidescolour
173Ealuminiumcolour
174Esilvercolour
175Egoldcolour
180Elitholrubine, latolrubinecolour
181Etanninscolour, emulsifier, stabiliser, thickener
182orchilcolour
200Esorbic acidpreservative
201sodium sorbatepreservative
202Epotassium sorbatepreservative
203Ecalcium sorbatepreservative
209heptyl p-hydroxybenzoatepreservative
210Ebenzoic acidpreservative
211AEsodium benzoatepreservative
212AEpotassium benzoatepreservative
213AEcalcium benzoatepreservative
214Eethyl p-hydroxybenzoatepreservative
215Esodium ethyl p-hydroxybenzoatepreservative
216AEpropylparabenpreservative
217Epropyl sodium ethyl p-hydroxybenzoatepreservative
218AEmethylparabenpreservative
219Esodium methyl p-hydroxybenzoatepreservative
220AEsulphur dioxidepreservative, antioxidant
221AEsodium sulphitepreservative, antioxidant
222AEsodium hydrogen sulphitepreservative, antioxidant
223AEsodium metabisulphitepreservative, antioxidant, bleaching agent
224AEpotassium metabisulphitepreservative, antioxidant
225Apotassium sulphitepreservative, antioxidant
226Ecalcium sulphitepreservative, antioxidant
227Ecalcium bisulphitepreservative, antioxidant
228AEpotassium bisulphitepreservative, antioxidant
230Ebiphenyl, diphenylpreservative
231Eorthophenyl phenol, 2-hydroxybiphenylpreservative
232Esodium orthophenyl phenolpreservative
233thiabendazolepreservative
234AEnisinpreservative
235AEpimaricin, natamycinpreservative
236formic acidpreservative
237sodium formatepreservative
238calcium formatepreservative
239Ehexamethylene tetramine, hexaminepreservative
240formaldehydepreservative
241gum guaicumpreservative
242AEdimethyl dicarbonatepreservative
249AEpotassium nitritepreservative, colour fixative
250AEsodium nitritepreservative, colour fixative
251AEsodium nitratepreservative, colour fixative
252Apotassium nitratepreservative, colour fixative
260AEglacial acetic acidpreservative, acidity regulator
261AEpotassium acetatespreservative, acidity regulator
262AEsodium acetatespreservative, acidity regulator
263AEcalcium acetatepreservative, acidity regulator
264Aammmonium acetatepreservative, acidity regulator
265dehydroacetic acidpreservative
266sodium dehydroacetatepreservative
270AElactic acidacidity regulator
280AEpropionic acidpreservative
281AEsodium propionatepreservative
282AEcalcium propionatepreservative
283AEpotassium propionatepreservative
284Eboric acidpreservative
285Esodium tetraborate, boraxpreservative
290AEcarbon dioxidepropellant
296AEmalic acidacidity regulator
297AEfumaric acidacidity regulator
300AEascorbic acidantioxidant (water soluble)
301AEsodium ascorbateantioxidant (water soluble)
302AEcalcium ascorbateantioxidant (water soluble)
303Apotassium ascorbateantioxidant (water soluble)
304AEascorbyl palmitate, ascorbyl stearate antioxidant (fat soluble)
306AEtocopherol concentrateantioxidant
307AEdl-alpha-tocopherolantioxidant
308AEgamma-tocopherolantioxidant
309AEdelta-tocopherolantioxidant
310AEpropyl gallateantioxidant
311AEoctyl gallateantioxidant
312AEdodecyl gallateantioxidant
315AEerythorbic acidantioxidant
316AEsodium erythorbateantioxidant
319Atert-butylhydroquinoneantioxidant
320AEbutylated hydroxyanisole, BHAantioxidant (fat soluble)
321AEbutylated hydroxytoluene, BHTantioxidant (fat soluble)
322AElecithinsantioxidant, emulsifier
325AEsodium lactatefood acid
326AEpotassium lactatefood acid
327AEcalcium lactatefood acid
328Aammonium lactatefood acid
329Amagnesium lactatefood acid
330AEcitric acidfood acid
331AEsodium citratesfood acid
332AEpotassium citratesfood acid
333AEcalcium citratefood acid
334AEtartaric acidfood acid
335AEsodium tartratesfood acid
336AEpotassium tartratesfood acid
337AEpotassium sodium tartratefood acid
338AEphosphoric acidfood acid
339AEsodium phosphatesmineral salt
340AEpotassium phosphatesmineral salt
341AEcalcium phosphatesmineral salt
342Aammonium phosphatesmineral salt
343AEmagnesium phosphatesmineral salt
349Aammonium malatefood acid
350AEsodium malatesfood acid
351AEpotassium malatefood acid
352AEcalcium malatesfood acid
353AEmetatartaric acidfood acid
354AEcalcium tartratefood acid
355AEadipic acidfood acid
356Esodium adipatefood acid
357AEpotassium adipatefood acid
363Esuccinic acidfood acid
365Asodium fumaratefood acid
366Apotassium fumaratefood acid
367Acalcium fumaratefood acid
368Aammonium fumaratefood acid
3701,4-heptonolactonefood acid
375Aniacin, (vitamin B3)colour retention agent
380AEtriammonium citratefood acid
381Aferric ammonium citratefood acid
385AEcalcium disodium EDTApreservative
400AEalginic acidthickener, vegetable gum
401AEsodium alginatethickener, vegetable gum
402AEpotassium alginatethickener, vegetable gum
403AEammonium alginatethickener, vegetable gum
404AEcalcium alginatethickener, vegetable gum
405AEpropylene gloycol alginatethickener, vegetable gum
406AEagarthickener, vegetable gum
407AEcarrageenanthickener, vegetable gum
407aAEprocessed eucheuma seaweedthickener, vegetable gum
409Aarabinogalactanthickener, vegetable gum
410AElocust bean gumthickener, vegetable gum
412AEguar gumthickener, vegetable gum
413AEtragacanththickener, vegetable gum
414AEacacia, gum arabicthickener, vegetable gum
415AExanthan gumthickener, vegetable gum
416AEkaraya gumthickener, vegetable gum
417Etara gumthickener, vegetable gum
418AEgellan gumthickener, vegetable gum
420AEsorbitolhumectant
421AEmannitolhumectant
422AEglycerinhumectant
425Ekonjacthickener, vegetable gum
431Epolyoxyethylene (40) stearateemulsifier
432Epolysorbate 20emulsifier
433AEpolysorbate 80emulsifier
434Epolysorbate 40emulsifier
435AEpolysorbate 60emulsifier
436AEpolysorbate 65emulsifier
440AEpectinvegetable gum
441AEgelatine (not classified as an additive)gelling agent
442AEammonium phosphatidesemulsifier
444AEsucrose acetate isobutyrateemulsifier, stabiliser
445Eglycerol esters of wood rosinemulsifier
450AEdiphosphatesmineral salt
451AEtriphosphatesmineral salt
452AEpolyphosphatesmineral salt
459Ebeta-cyclodextrine-
460AEpowdered celluloseanti-caking agent
461AEmethylcellulosethickener, vegetable gum
463Ehydroxypropyl cellulosethickener, vegetable gum
464AEhydroxypropyl methylcellulosethickener, vegetable gum
465AEmethyl ethyl cellulosethickener, vegetable gum
466AEsodium carboxymethylcellulosethickener, vegetable gum
470Amagnesium stearateemulsifier, stabiliser
470Esalts of fatty acidsemulsifier, stabiliser
471AEmono- and diglycerides of fatty acidsemulsifier
472aAEacetic acid esters of 471emulsifier
472bAElactic acid esters of 471emulsifier
472cAEcitric acid esters of 471emulsifier
472dAEtartaric acid esters of 471emulsifier
472eAEdiacetyltartaric acid esters of 471emulsifier
472fEmixed acetic and tartaric acid esters of 471emulsifier
473AEsucrose esters of fatty acidsemulsifier
474Esucroglyceridesemulsifier
475AEpolyglycerol esters of fatty acidsemulsifier
476AEpolyglycerol polyricinoleateemulsifier
477AEpropylene glycol esters of fatty acidsemulsifier
479bEthermally oxidised soya bean oilemulsifier
480Adioctyl sodium sulphosuccinateemulsifier
481AEsodium stearoyl lactylateemulsifier
482AEcalcium stearoyl lactylateemulsifier
483Estearyl tartarateemulsifier
491AEsorbitan monostearateemulsifier
492AEsorbitan tristearateemulsifier
493sorbitan monolaurateemulsifier
494Esorbitan monooleateemulsifier
495Esorbitan monopalmitateemulsifier
500AEsodium carbonate, sodium bicarbonatemineral salt
501AEpotassium carbonate, potassium bicarbonatemineral salt
503AEammonium carbonate, ammonium bicarbonatemineral salt
504AEmagnesium carbonateanti-caking agent, mineral salt
507AEhydrochloric acidacidity regulator
508AEpotassium chloridemineral salt
509AEcalcium chloridemineral salt
510Aammonium chloridemineral salt
511AEmagnesium chloridemineral salt
512AEstannous chloridecolour retention agent
513Esulphuric acidacidity regulator
514AEsodium sulphatemineral salt
515AEpotassium sulphatemineral salt
516AEcalcium sulphateflour treatment agent, mineral salt
517Eammonium sulphatemineral salt
518Amagneisum sulphatemineral salt
519Acupric sulphatemineral salt
520Ealuminium sulphatemineral salt
521Ealuminium sodium sulphatemineral salt
522Ealuminium potassium sulphatemineral salt
523Ealuminium ammonium sulphatemineral salt
524Esodium hydroxidemineral salt
525Epotassium hydroxidemineral salt
526AEcalcium hydroxidemineral salt
527Eammonium hydroxidemineral salt
528Emagnesium hydroxidemineral salt
529AEcalcium oxidemineral salt
530Emagnesium oxideanti-caking agent
535AEsodium ferrocyanideanti-caking agent
536AEpotassium ferrocyanideanti-caking agent
538Ecalcium ferrocyanideanti-caking agent
540dicalcium diphosphateanti-caking agent
541AEsodium aluminium phosphateacidity regulator, emulsifier
542Abone phosphateanti-caking agent
544calcium polyphosphatesanti-caking agent
545ammonium polyphosphatesanti-caking agent
551AEsilicon dioxideanti-caking agent
552AEcalcium silicateanti-caking agent
553aEmagnesium silicateanti-caking agent
553bAEtalcanti-caking agent
554AEsodium aluminium silicateanti-caking agent
555Epotassium aluminium silicateanti-caking agent
556AEcalcium aluminium silicateanti-caking agent
558AEbentoniteanti-caking agent
559AEkaolin, aluminium silicateanti-caking agent
570AEstearic acidanti-caking agent
575AEglucono-delta-lactoneacidity regulator
576sodium gluconate?
577AEpotassium gluconatestabiliser
578AEcalcium gluconateacidity regulator
579AEferrous gluconatecolour retention agent
585Eferrous lactate-
620AEglutamic acidflavour enhancer
621AEmonosodium glutamate, MSGflavour enhancer
622AEmonopotassium glutamateflavour enhancer
623AEcalcium diglutamateflavour enhancer
624AEmonoammonium glutamateflavour enhancer
625AEmagnesium diglutamateflavour enhancer
626guanylic acidflavour enhancer
627AEdisodium guanylateflavour enhancer
628Edipotassium guanylateflavour enhancer
629Ecalcium guanylateflavour enhancer
630Einosinic acidflavour enhancer
631AEdisodium inosinateflavour enhancer
632Edipotassium inosinateflavour enhancer
633Ecalcium inosinateflavour enhancer
634Ecalcium 5'-ribonucleotidesflavour enhancer
635AEdisodium 5'-ribonucleotidesflavour enhancer
636Amaltolflavour enhancer
637Aethyl maltolflavour enhancer
640AEglycineflavour enhancer
641Aleucineflavour enhancer
650Ezinc acetateflavour enhancer
900AEdimethylpolysiloxaneemulsifier, anti-caking agent
901AEbeeswaxglazing agent
902Ecandelilla waxglazing agent
903AEcarnauba waxglazing agent
904AEshellacglazing agent
905AEparaffinsglazing agent
907refined microcrystalline waxglazing agent
912Emontanic acid estershumectant
914AEoxidised polyethylene waxhumectant
920AEL-cysteineflour treatment agent
924potassium bromateflour treatment agent
925Achlorineflour treatment agent
926Achlorine dioxideflour treatment agent
927bEcarbamideflour treatment agent
928Abenzoyl peroxideflour treatment agent
938Eargonpropellant
939Eheliumpropellant
941AEnitrogenpropellant
942AEnitrous oxidepropellant
943aEbutanepropellant
943bEisobutanepropellant
950AEacesulphame potassiumartificial sweetener
951AEaspartameartificial sweetener
952AEcyclamic acid, cyclamatesartificial sweetener
953AEisomalthumectant
954AEsaccharinartificial sweetener
955Asucraloseartificial sweetener
956Aalitameartificial sweetener
957AEthaumatinflavour enhancer, artificial sweetener
959Eneohesperidine DC?
965AEmaltitolhumectant, stabiliser
966AElactitolhumectant
967AExylitolhumectant, stabiliser
999Equillaia extracthumectant
1001Acholine salts and estersemulsifier
1100Aamylasesflour treatment agent
1102Aglucose oxidaseantioxidant
1103Einvertase?
1104Alipasesflavour enhancer
1105AElysozymepreservative
1200AEpolydextrosehumectant
1201AEpolyvinylpyrrolidonemineral salt
1202AEpolyvinylpolypyrrolidonecolour stabiliser
1400Adextrin roasted starchthickener, vegetable gum
1401Aacid treated starchthickener, vegetable gum
1402Aalkaline treated starchthickener, vegetable gum
1403Ableached starchthickener, vegetable gum
1404AEoxidised starchthickener, vegetable gum
1405Aenzyme treated starchthickener, vegetable gum
1410AEmonostarch phosphatethickener, vegetable gum
1412AEdistarch phosphatethickener, vegetable gum
1413AEphosphated distarch phosphatethickener, vegetable gum
1414AEacetylated distarch phosphatethickener, vegetable gum
1420AEacetylated starchthickener, vegetable gum
1422AEacetylated distarch adipatethickener, vegetable gum
1440AEhydroxypropyl starchthickener, vegetable gum
1442AEhydroxypropyl distarch phosphatethickener, vegetable gum
1450AEstarch sodium octenylsuccinatethickener, vegetable gum
1451Eacetylated oxidised starchthickener, vegetable gum
1505AEtriethyl citratethickener, vegetable gum
1510ethanol (not classified as an additive)alcohol
1518AEtriacetinhumectant
1520AEpropylene glycolhumectant
1521Apolyethylene glycol 8000antifoaming agent

Sources