Food additive databaseCreates texture and shapeChecked 2026-09-27
Silicon dioxide / calcium silicate 二酸化ケイ素・ケイ酸カルシウム
Food additiveSimilar rules abroad
- Purpose
- prevents powder from clumping
- On the label
- “微粒二酸化ケイ素” (fine silicon dioxide), “ケイ酸カルシウム” (calcium silicate)
Flagged additives are marked when you use the Ingredient Checker (choose others).
In Japan
- In 1970, JECFA evaluated silicon dioxide, calcium silicate, and others as “ADI not specified”.
Under stricter rules abroad
Category: Similar rules abroad
- In its 2024 re-evaluation, EFSA concluded that silicon dioxide (E551) raises no safety concern as currently used, for all age groups including infants under 16 weeks.
Sources
- Food Labeling Standards (Cabinet Office Ordinance No. 10 of 2015) (Japanese)
- EFSA (European Food Safety Authority)
- JECFA (Joint FAO/WHO Expert Committee on Food Additives) database
Last checked 2026-09-27. Rules change over time. This page is a translation of our Japanese page; if they differ, the Japanese page is the reference.
The categories are not a safety verdict. Additives used in Japan are approved by the government, which sets the foods and amounts they can be used in. This page lists facts stated in laws and in evaluations by public bodies.