Calcium lignosulfonate

CAS 8061-52-7

Calcium lignosulfonate is a dispersing agent and carrier, used in vitamin and mineral preparations for animal feed and in some processing applications.

Where it is and isn’t permitted

Status of Calcium lignosulfonate by jurisdiction. Every jurisdiction this site covers is listed, including those where the substance does not appear.
JurisdictionStatusScope and limitsCitation
United StatesFood and Drug AdministrationPermitted, with conditions21 CFR 172.715retrieved 2026-09-07
Codex AlimentariusCodex Alimentarius Commission / JECFANot listedDoes not appear on this jurisdiction’s permitted list. That is not the same as being prohibited.

What it is made from

Recovered from the spent liquor of wood pulping, where it is the sulfonated remains of lignin.

  • Vegan
  • Vegetarian
CAS registry number
8061-52-7
InChIKey
RYAGRZNBULDMBW-UHFFFAOYSA-L
PubChem
CID 24711

Every name it appears under

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

CAS registry number

  • 8061-52-7

As it appears in regulation

  • Calcium lignosulfonate

Other names

  • 6HPP8U6S23
  • Calcium Lignin Sulfonate
  • Calcium ligninsulfonate, Lignin calcium sulfonate
  • CALCIUM LIGNOSULFONATE
  • Calcium lignosulfonate, 96%
  • Calcium lignosulphonate
  • Caswell No. 146
  • EPA Pesticide Chemical Code 115101
  • Lignin calcium sulfonate
  • Lignosulfonic acid, calcium salt
  • Lime fractionated, spent pulping liquor, precipitate

Systematic names

  • Calcium 3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonato propyl)phenoxy]-1-propanesulfonate
  • calcium;3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate

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

  • ecfr 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/calcium-lignosulfonate.json