Sucrose acetate isobutyrate (SAIB)

CAS 27216-37-1

SAIB is a beverage weighting agent. It is dense enough to make flavour oils match the density of the drink, so a citrus soft drink stays cloudy instead of separating.

Where it is and isn’t permitted

Status of Sucrose acetate isobutyrate (SAIB) 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 172.833retrieved 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

Made by esterifying sucrose with acetic and isobutyric acids.

  • Vegan
  • Vegetarian
CAS registry number
27216-37-1

Every name it appears under

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

CAS registry number

  • 27216-37-1

As it appears in regulation

  • Sucrose acetate isobutyrate (SAIB)

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/sucrose-acetate-isobutyrate-saib.json