E222 Sodium hydrogen sulphite — is it halal?
Ruling: Mashbuh (doubtful)
Description
Sodium hydrogen sulphite (sodium bisulphite; in the EU an aqueous solution) is an inorganic salt: sulphur dioxide (E220; from sulphur, sulphides or kiln gases) is absorbed in a solution of a sodium compound — hydroxide or carbonate, in patents also sodium sulphate. One patent (CN101676205A)
Basis of the ruling
Sodium hydrogen sulphite is an inorganic salt: sulphur dioxide is absorbed into a solution of sodium hydroxide or carbonate. In one patent, the raw-material solution is clarified with animal glue — the animal species is not named — and the crystals are washed with anhydrous ethanol of unstated source.
Names: Гидросульфит натрия · Sodium hydrogen sulphite · كبريتيت هيدروجين الصوديوم
Also known as: E 222, E-222, Е222, Е 222, INS 222, бисульфит натрия, натрия гидросульфит, кислый сульфит натрия, sodium hydrogen sulfite, sodium bisulphite, sodium bisulfite, sodium bisulfite solution, NaHSO3, 亚硫酸氢钠, 亚硫酸氢钠溶液
Category: Preservatives
Regulatory source: EU 1333/2008
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