Ammonium Hydrogen Sulfite Water 亜硫酸水素アンモニウム水

In Japan

• An aqueous solution whose main component is ammonium hydrogen sulfite (the Japanese Standards for Food Additives require at least 13.0% ammonium hydrogen sulfite). Under the standards for use, it can be used only in wine and in the grape juice used to make it, at up to 0.2 g per liter of wine.
• When used as a preservative or antioxidant, the rules require writing it together with the purpose name; the simplified names are “亜硫酸塩” (sulfites) and “亜硫酸アンモニウム” (ammonium sulfite).

Japan's standards for use

• Can be used only in grape juice used to make wine and in wine
• Up to 0.2 g per liter of wine, as ammonium hydrogen sulfite
• When used in grape juice used to make wine, it is regarded as used in the wine

This is a summary of the standards for use. See the source list for the exact conditions.

In the EU

• It is not on the EU list of food additives (Regulation (EC) No 1333/2008, Annex II), so it cannot be used as a food additive in the EU.

When it is labeled under a shared name

Ammonium Hydrogen Sulfite Water may be declared on the label in the same way as “亜硫酸塩”. See Sulfites for details.

Sources

• List of Designated Additives — Japan Food Chemical Research Foundation (Japanese)
• Standards for use and storage of each additive — Japan Food Chemical Research Foundation (Japanese)
• EU food additive database (Japanese translation) — MAFF (Japanese)
• Regulation (EC) No 1333/2008 on food additives — EUR-Lex
• 厚生労働省「第10版食品添加物公定書」D 成分規格・保存基準各条 (Japanese)
• 消費者庁「食品表示基準について」別添 添加物関係（簡略名・用途名併記・一括名・栄養強化の範囲） (Japanese)

Checked 2026-10-02. Rules and evaluations change over time. This page is a translation of our Japanese page; if they differ, the Japanese page is the reference.