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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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Synonyms | Monocalcium benzoate | |
Definition | ||
---|---|---|
Einecs | 218-235-4 | |
Chemical name | Calcium benzoate; Calcium dibenzoate | |
Chemical formula | Anhydrous: | C14H10O4Ca |
Monohydrate: | C14H10O4Ca·H2O | |
Trihydrate: | C14H10O4Ca·3H2O | |
Molecular weight | Anhydrous: | 282,31 |
Monohydrate: | 300,32 | |
Trihydrate: | 336,36 | |
Assay | Content not less than 99 % after drying at 105 °C | |
Description | White or colourless crystals, or white powder | |
Identification | ||
Melting range for benzoic acid | Melting range of benzoic acid isolated by acidification and not recrystallised 121,5 °C to 123,5 °C, after vacuum drying in a sulphuric acid desiccator | |
Test for benzoate | Passes test | |
Test for calcium | Passes test | |
Purity | ||
Loss on drying | Not more than 17,5 % (105 °C, to constant weight) | |
Water insoluble matter | Not more than 0,3 % | |
Chlorinated organic compounds | Not more than 0,06 % expressed as chloride, corresponding to 0,25 % expressed as monochlorobenzoic acid | |
Readily oxidisable substances | Add 1,5 ml of sulphuric acid to 100 ml of water, heat to boiling point and add 0,1 N KMnO4 in drops, until the pink colour persists for 30 seconds. Dissolve 1 g of the sample, weighed to the nearest mg, in the heated solution, and titrate with 0,1 N KMnO4 to a pink colour that persists for 15 seconds. Not more than 0,5 ml should be required | |
Readily carbonisable substances | Cold solution of 0,5 g of benzoic acid in 5 ml of 94,5 to 95,5 % sulphuric acid must not show a stronger colouring than that of a reference liquid containing 0,2 ml of cobalt chloride TSC, 0,3 ml of ferric chloride TSC, 0,1 ml of copper sulphate TSC and 4,4 ml of water | |
Polycyclic acids | On fractional acidification of a (neutralised) solution of calcium benzoate, the first precipitate must not be a different melting range from that of benzoic acid | |
Acidity or alkalinity | Neutralisation of 1 g of calcium benzoate, in the presence of phenolphthalein, must not require more than 0,25 ml of 0,1 N NaOH or 0,1 N HCl | |
Fluoride | Not more than 10 mg/kg | |
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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