E539Antioxidant · Sequestrant
Sodium thiosulfate
What the research shows
Not enough
published research on this page yet
A white solid that dissolves well in water.1
- Vegan
- Vegetarian
What expert reviews concluded
Expert panels that weigh all the research. Shown for context: the signal at the top does not count them.
-
UN and WHO food additive experts (JECFA), 1998
Acceptable daily intake: up to 0.7 mg per kg of body weight.
Regulatory status
Checked Sep 2026-
United States Permitted FDA 21 CFR 184.1807
-
Canada Permitted Health Canada · Other Accepted Uses
Status reflects the named register on the date checked. It is not a safety rating. A country appears here once we've found this ingredient on its official list.
How we checkProducts
The most-scanned of 22 products on Open Food Facts that list sodium thiosulfate.
- Iodized Salt Winco Foods 3 additives
References
- 1Sodium thiosulfate. Wikipedia. Accessed September 26, 2026. CC BY-SA 4.0.