Comparing E917 - potassium iodate vs E924A - Potassium bromate
Overview
Synonyms
Products
Found in 81 products
Found in 423 products
Search rank & volume
Awareness score
Search volume over time
Interest over time for 2 keywords in U.S. during the last 10 years.
Interest over time for 2 keywords in U.S. during the last 10 years.
Popular questions
Is potassium iodate dangerous?
At permitted food-use levels it’s considered safe, but it’s a strong oxidizer and excessive iodine intake can disturb thyroid function (especially in people with thyroid disease, infants, or during pregnancy). As a pure chemical it can irritate eyes/skin and should be handled with care.
Why is potassium iodate banned?
In the EU/UK it’s not authorized as a food additive (flour treatment agent) due to safety concerns about excess iodine exposure and lack of technological need; however, some countries still allow limited uses such as salt iodization. Regulations vary by country.
What is potassium iodate used for?
It’s used as an oxidizing flour improver/dough conditioner in some countries and as a stable iodine source for iodizing table salt.
How does sodium bisulfite and potassium iodate react to make iodine reaction with starch equations?
In acid, bisulfite first reduces iodate to iodide: IO3− + 3 HSO3− → I− + 3 HSO4−; once bisulfite is consumed, iodate oxidizes iodide to iodine: IO3− + 5 I− + 6 H+ → 3 I2 + 3 H2O; iodine then forms I3− with I− (I2 + I− → I3−), which gives the blue starch–iodine complex.
How much of solid kio3 do you need to make 25.00ml of a 0.20m potassium iodate solution? 1.07 g?
About 1.07 g KIO3 (0.02500 L × 0.200 mol/L = 0.00500 mol; molar mass ≈ 214 g/mol; mass ≈ 1.07 g).
What foods have potassium bromate?
Primarily products made with 'bromated flour'—such as some breads, rolls, bagels, and pizza crusts—where it strengthens dough and improves rise. It’s banned in the EU/UK/Canada, and many U.S. bakers have phased it out.
What foods contain potassium bromate?
Where permitted (e.g., parts of the U.S.), certain commercial bakery items made with bromated high‑gluten flour may contain it, especially bread and pizza dough.
What brands use potassium bromate?
Usage varies by region and over time; in the U.S., some foodservice pizza/bread flours labeled 'bromated' use it, while many national retail brands and chains avoid it, and it’s banned in the EU/UK/Canada. Check labels for 'bromated flour' to confirm.
Does king arthur flour have potassium bromate?
No—King Arthur Baking Company states its flours are never bromated (and never bleached).
What is potassium bromate in?
It’s in bromated wheat flour used as a flour improver for yeast‑leavened doughs like bread, rolls, bagels, and pizza. Look for 'bromated flour' or E924a on ingredient lists where it’s allowed.