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Food additives data book - wordpres

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Preservatives 774<br />

NAME: Sodium sulphite<br />

CATEGORY: Antimicrobial preservative<br />

FOOD USE: <strong>Food</strong> preservative and antioxidant/ Boiler water additive. Not for use on meats, sources of vitamin B1, raw fruits and vegetables, or fresh potatoes. Bleaching agent<br />

SYNONYMS: CAS 7757-83-7/ EINECS 231-821-4/ E221/ Sulfurous acid sodium salt (1:2)/ Sulfurous acid disodium<br />

salt/ Sodium sulfite (2:1)/ Sodium sulfite anhydrous<br />

FORMULA: Na2 SO3<br />

MOLECULAR MASS: 126.04<br />

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

calcium bisulphite<br />

PROPERTIES AND APPEARANCE: White powder or small hexagonal crystals, odourless, salty sulphurous taste<br />

BOILING POINT IN °C AT VARIOUS Decomposes<br />

PRESSURES (INCLUDING 760mmHg):<br />

MELTING RANGE IN °C: Decomposes<br />

DENSITY AT 20°C (AND OTHER 2.633 (15.4°C)<br />

TEMPERATURES) IN g/l:<br />

PURITY %: 95 (as Na 2SO 3) (or 48% SO 2)<br />

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

ppm:<br />

ARSENIC CONTENT MAXIMUM IN ppm: 3

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