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Food additives data book - wordpres

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Sequestrants 846<br />

NAME: Potassium sodium tartrate<br />

CATEGORY: Sequestrant<br />

FOOD USE: Cheese products/ Citrus marmalade/ Margarines/ Minced meat/ Jams and jellies/ Edible ices and ice<br />

mixes/ Sausage casings/ Bouillons and consommes<br />

SYNONYMS: Rochelle salt/ Seignette salt/ Potassium sodium dextro-tartrate/ Potassium sodium D-tartrate/ Potassium<br />

sodium dextro-tartrate/ INS 337/ E337<br />

FORMULA: C4 H4 KNa O6 · 4H2O<br />

MOLECULAR MASS: 210.16–282.23<br />

ALTERNATIVE FORMS: Cream of tartar (acid monopotassium salt)/ Tartaric acid/ Diacetyl glyceryl tartrate<br />

PROPERTIES AND APPEARANCE: Translucent crystals or white crystal powder<br />

BOILING POINT IN °C AT VARIOUS 760 mm Hg 220°C, decomposes<br />

PRESSURES (INCLUDING 760 mm Hg): 225°C<br />

MELTING RANGE IN °C 70–80 (100°C, loses 3 H 2O; at 130–140°C, becomes anhydrous)<br />

DENSITY AT 20°C (AND OTHER 1.79<br />

TEMPERATURES) IN g/l:<br />

PURITY %: 99<br />

WATER CONTENT MAXIMUM IN %: 21–26<br />

HEAVY METAL CONTENT MAXIMUM IN 20<br />

ppm:<br />

ARSENIC CONTENT MAXIMUM IN ppm: 3<br />

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

in water: @ 20°C 100g/100ml H2O

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