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Food additives data book - wordpres

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Preservatives 802<br />

NAME: Sodium nitrate<br />

CATEGORY: Antimicrobial preservative<br />

SYNONYMS: CAS 7631-99-4/ EINECS 231-554-3/ E251/ Soda niter/ Cubic niter/ Chile saltpeter<br />

FORMULA: Na NO3<br />

MOLECULAR MASS: 84.99<br />

PROPERTIES AND APPEARANCE: Colourless transparent crystals, odourless<br />

BOILING POINT IN °C AT VARIOUS decomposes at 380<br />

PRESSURES (INCLUDING 760mmHg):<br />

MELTING RANGE IN °C: 308<br />

DENSITY AT 20°C (AND OTHER 2.267<br />

TEMPERATURES) IN g/l:<br />

PURITY %: 99<br />

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

ppm:<br />

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

in water: @ 25°C 92.1 @ 100°C 180<br />

in ethanol solution: @ 5% Soluble @ 20% Soluble @ 95% Soluble @ 100% Soluble<br />

FUNCTION IN FOODS: Antimicrobial agent, preservative. Source of nitrite, colour fixative in cured meats, fish, poultry; boiler<br />

water additive; curing salt<br />

TECHNOLOGY OF USE IN FOODS: Used in cured meats and fish as an antibotulinum agent as well as an antimicrobial preservative, colour<br />

fixative, flavour enhancer

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