E249 Potassium nitrite — is it halal?
Description
Potassium nitrite is an inorganic salt. Routes in the patents: absorption of nitric oxide in KOH solution (c1); metathesis of sodium nitrite E250 with potassium carbonate or with KOH and oxalic acid (c2–c4; for the acid, bone char of sugar as a variant); reduction of potassium nitrate E252 with lead (c5); absorption of methyl nitrite from nitromethane tail gas in glycols with by-product methanol (c6–c10).
Names: Нитрит калия · Potassium nitrite · نتريت البوتاسيوم
Also known as: E 249, E-249, Е249, INS 249, 亚硝酸钾, نتريت البوتاسيوم
Category: Preservatives
Regulatory source: EU 1333/2008
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