Sodium hydrogen DL-malate

INS 350(i)

Used as an acidity regulator — Codex also lists it as humectant.

Sodium hydrogen DL-malate is an acidity regulator, giving the apple-like sourness of malic acid in a partly neutralised, less aggressive form.

Where it is and isn’t permitted

Status of Sodium hydrogen DL-malate by jurisdiction. Every jurisdiction this site covers is listed, including those where the substance does not appear.
JurisdictionStatusScope and limitsCitation
United StatesFood and Drug AdministrationNot listedDoes not appear on this jurisdiction’s permitted list. That is not the same as being prohibited.
Codex AlimentariusCodex Alimentarius Commission / JECFAPermitted, with conditions

1 food category

no numerical limit (good manufacturing practice)

CXS 192-1995 Table Three, INS 350(i)and 1 further provisionretrieved 2026-09-07

What it is made from

Made by partly neutralising synthetic malic acid with sodium. The DL prefix marks it as the synthetic mixture rather than the single form found in fruit.

  • Vegan
  • Vegetarian
InChIKey
DOJOZCIMYABYPO-UHFFFAOYSA-M
PubChem
CID 23678821

Every name it appears under

17 recorded names. A label may use any of them.

INS number

  • 350(i)

CAS registry number

  • 57467-17-1
  • 58214-38-3

Other names

  • Butanedioic acid, 2-hydroxy-, sodium salt (1:1)
  • Butanedioic acid, hydroxy-, monosodium salt
  • C4H5NaO5
  • DL-Malic acid monosodium salt
  • DOJOZCIMYABYPO-UHFFFAOYSA-M
  • INS NO.350(I)
  • INS-350(I)
  • MALIC ACID MONOSODIUM SALT
  • monosodium malate
  • sodium 3-carboxy-3-hydroxypropanoate
  • SODIUM HYDROGEN DL-MALATE
  • Sodium hydrogen malate
  • sodium;2,4-dihydroxy-4-oxo-butanoate
  • VJ2LXD23XD

Hazard reference values

No reference value for this substance in the sources we hold.

Evidence and how bodies read it

Studies, and the differing conclusions regulators drew from them, are curated by hand rather than machine-read, and none has been written for this substance yet.

Sources for this page

  • gsfa retrieved 2026-09-07

Full licence terms and publisher details on Sources. How this page is built and updated: Method.

Machine-readable:/api/v1/additives/sodium-hydrogen-dl-malate.json