09.06.2013 Views

Food additives data book - wordpres

Food additives data book - wordpres

Food additives data book - wordpres

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Preservatives 778<br />

NAME: Sodium metabisulphite<br />

CATEGORY: Antimicrobial preservative<br />

FOOD USE: Preservative, antioxidant. Flavouring in cherries and shrimp/ Boiler water additive for food contact/<br />

Bleaching agent. Not for use on meats, sources of vitamin B1, raw fruits and vegetables, or fresh<br />

potatoes<br />

SYNONYMS: CAS 7681-57-4/ EINECS 231-673-0/ E223/ Disulfurous acid disodium salt/ Sodium pyrosulfite/<br />

Disodium pyrosulfite/ Sodium bisulfite<br />

FORMULA: Na2 S2 O5<br />

MOLECULAR MASS: 190.10<br />

ALTERNATIVE FORMS: Sodium sulphite, sodium bisulphite, sulphur dioxide, potassium metabisulphite, calcium sulphite,<br />

calcium bisulphite<br />

PROPERTIES AND APPEARANCE: Colourless crystalline or white to yellowish powder, SO 2 odour<br />

MELTING RANGE IN °C: Decomposes >150<br />

DENSITY AT 20°C (AND OTHER 1.4<br />

TEMPERATURES) IN g/l:<br />

PURITY %: 67.4 as SO 2<br />

HEAVY METAL CONTENT MAXIMUM IN 10 (as Pb)<br />

ppm:<br />

SOLUBILITY % AT VARIOUS TEMPERATURE/pH COMBINATIONS:<br />

in water: @ 20°C 54 @ 100°C 81.7<br />

FUNCTION IN FOODS: Antimicrobial preservative, antioxidant and bleach<br />

ALTERNATIVES: Combination of antimicrobial preservative, antioxidant and bleach

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!