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Commission Directive 2008/84/EC (repealed)Show full title

Commission Directive 2008/84/EC of 27 August 2008 laying down specific purity criteria on food additives other than colours and sweeteners (Text with EEA relevance) (Codified version) (repealed)

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E 213 CALCIUM BENZOATE

SynonymsMonocalcium benzoate
Definition
Chemical nameCalcium benzoate
Calcium dibenzoate
Einecs218-235-4
Chemical formulaAnhydrous:C14H10O4Ca
Monohydrate:C14H10O4Ca· H2O
Trihydrate:C14H10O4Ca· 3H2O
Molecular weightAnhydrous:282,31
Monohydrate:300,32
Trihydrate:336,36
AssayContent not less than 99 % after drying at 105 oC
DescriptionWhite or colourless crystals, or white powder
Identification
A.Melting range of benzoic acid isolated by acidification and not recrystallised 121,5 oC to 123,5 oC, after vacuum drying in a sulphuric acid desiccator
B.Positive tests for benzoate and for calcium
Purity
Loss on dryingNot more than 17,5 % determined by drying at 105 oC to constant weight
Water insoluble matterNot more than 0,3 %
Chlorinated organic compoundsNot more than 0,06 % expressed as chloride, corresponding to 0,25 % expressed as monochlorobenzoic acids
Readily oxidisable substancesAdd 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 substancesCold 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 acidsOn fractional acidification of a (neutralised) solution of calcium benzoate, the first precipitate must not be a different melting range from that of benzoic acid
Degree of acidity or alkalinityNeutralisation 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
FluorideNot more than 10 mg/kg
ArsenicNot more than 3 mg/kg
LeadNot more than 5 mg/kg
MercuryNot more than 1 mg/kg
Heavy metals (as Pb)Not more than 10 mg/kg

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