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Commission Regulation (EU) No 231/2012Show full title
Commission Regulation (EU) No 231/2012 of 9 March 2012 laying down specifications for food additives listed in Annexes II and III to Regulation (EC) No 1333/2008 of the European Parliament and of the Council (Text with EEA relevance)
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- 2012 No. 231
- ANNEX
- E 102 TARTRAZINE
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- Revised 02/07/20202.48 MB
- Revised 23/10/20192.44 MB
- Revised 25/10/20182.39 MB
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- Revised 27/05/20182.38 MB
- Revised 07/02/20182.38 MB
- Revised 18/08/20172.43 MB
- Revised 17/03/20172.40 MB
- Revised 03/11/20162.39 MB
- Revised 20/10/20152.21 MB
- Revised 15/05/20152.31 MB
- Revised 09/04/20153.29 MB
- Revised 03/10/20143.76 MB
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- Revised 18/09/20133.70 MB
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- Revised 06/02/20132.70 MB
- Revised 29/11/20122.69 MB
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E 102 TARTRAZINE
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E 102 TARTRAZINE U.K.
| Synonyms | CI Food Yellow 4 |
| Definition | Tartrazine is prepared from 4-amino-benzenesulphonic acid, which is diazotized using hydrochloric acid and sodium nitrite. The diazo compound is then coupled with 4,5-dihydro-5-oxo-1-(4sulphophenyl)-1H-pyrazole-3-carboxylic acid or with the methyl ester, the ethyl ester, or a salt of this carboxylic acid. The resulting dye is purified and isolated as the sodium salt. Tartrazine consists essentially of trisodium 5-hydroxy-1-(4-sulfonatophenyl)-4-(4-sulfonatophenylazo)-H-pyrazole-3-carboxylate and subsidiary colouring matters together with sodium chloride and/or sodium sulphate as the principal uncoloured components. Tartrazine is described as the sodium salt. The calcium and the potassium salt are also permitted. |
| Colour Index No | 19140 |
| Einecs | 217-699-5 |
| Chemical name | Trisodium-5-hydroxy-1-(4-sulfonatophenyl)-4-(4-sulfonatophenylazo)-H-pyrazole-3-carboxylate |
| Chemical formula | C16H9N4Na3O9S2 |
| Molecular weight | 534,37 |
| Assay | Content not less than 85 % total colouring matters calculated as the sodium salt |
| Description | Light orange powder or granules |
| Appearance of the aqueous solution | Yellow |
| Identification | |
|---|---|
| Spectrometry | Maximum in water at ca. 426 nm |
| Purity | |
| Water insoluble matter | Not more than 0,2 % |
| Subsidiary colouring matters | Not more than 1,0 % |
| Organic compounds other than colouring matters: | |
| 4-hydrazinobenzene sulfonic acid | Total not more than 0,5 % |
| 4-aminobenzene-1-sulfonic acid | |
| 5-oxo-1-(4-sulfophenyl)-2-pyrazoline-3-carboxylic acid | |
| 4,4′-diazoaminodi(benzene sulfonic acid) | |
| Tetrahydroxysuccinic acid | |
| Unsulfonated primary aromatic amines | Not more than 0,01 % (calculated as aniline) |
| Ether extractable matter | Not more than 0,2 % under neutral conditions |
| Arsenic | Not more than 3 mg/kg |
| Lead | Not more than 2 mg/kg |
| Mercury | Not more than 1 mg/kg |
| Cadmium | Not more than 1 mg/kg |
Aluminium lakes of this colour may be used. U.K.
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