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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 300 ASCORBIC ACID,...
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E 300 ASCORBIC ACID, L-ASCORBIC ACID
| Synonyms | L-xylo-Ascorbic acid; L(+)- Ascorbic acid |
| Definition | |
|---|---|
| Einecs | 200-066-2 |
| Chemical name | L-ascorbic acid; Ascorbic acid; 2,3-Didehydro-L-threo-hexono-1,4-lactone; 3-Keto-L-gulofuranolactone |
| Chemical formula | C6H8O6 |
| Molecular weight | 176,13 |
| Assay | contains not less than 99 % of C6H8O6 after drying in a vacuum desiccator over sulphuric acid for 24 hours, |
| Description | White to pale yellow, odourless crystalline powder |
| Melting range | Between 189 °C and 193 °C with decomposition |
| Identification | |
| Test for ascorbic acid | Passes test |
| pH | Between 2,4 and 2,8 (2 % aqueous solution) |
| Specific rotation | [α]D 20 between + 20,5° and + 21,5° (10 % w/v aqueous solution) |
| Purity | |
| Loss on drying | Not more than 0,4 % (in vacuum over sulphuric acid, 24 hours) |
| Sulphated ash | Not more than 0,1 % |
| Arsenic | Not more than 3 mg/kg |
| Lead | Not more than 2 mg/kg |
| Mercury | Not more than 1 mg/kg |
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