Sucrose acetate isobutyrate

E number E444INS 444CAS 126-13-6

Used as an emulsifier — Codex also lists it as stabilizer.

This is the Codex listing for SAIB, a beverage weighting agent that keeps citrus flavour oils evenly dispersed rather than floating to the top of the bottle.

Where it is and isn’t permitted

Status of Sucrose acetate isobutyrate 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

highest permitted level 500 mg/kg

CXS 192-1995 Table One, INS 444, food category 14.1.4retrieved 2026-09-07

What it is made from

Made by esterifying sucrose with acetic and isobutyric acids.

  • Vegan
  • Vegetarian
CAS registry number
126-13-6
InChIKey
UVGUPMLLGBCFEJ-SWTLDUCYSA-N
PubChem
CID 31339

Every name it appears under

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

E number

  • E444

INS number

  • 444

CAS registry number

  • 126-13-6

Other names

  • CCRIS 8550
  • E 444
  • FCM no 308
  • H5KI1C3YTV
  • HSDB 5657
  • INS NO.444
  • INS-444
  • Isobutyric acid, hexaester with sucrose diacetate
  • Isobutyric acid, hexaester with sucrose diacetate (8CI)
  • Saccharose acetate isobutyrate
  • SAIB
  • SAIB 100S
  • Sucrose acetate 2-methylpropanoate
  • Sucrose acetate isobutanoate
  • sucrose acetate isobutylate
  • SUCROSE ACETATE ISOBUTYRATE
  • Sucrose acetoisobutyrate
  • Sucrose di(acetate) hexaisobutyrate
  • Sucrose Diacetate Hexaisobutyrate (1 mL)
  • Sucrose diacetate hexaisobutyrate, 8CI
  • Sucrose, diacetate hexaisobutyrate
  • Sucrose, mixed acetate and isobutyrate octaesters

Systematic names

  • ((2R,3R,4S,5S)-5-((acetyloxy)methyl)-5-(((2R,3R,4S,5R,6R)-6-((acetyloxy)methyl)-3,4,5-tris((2-methylpropanoyl)oxy)oxan-2-yl)oxy)-3,4-bis((2-methylpropanoyl)oxy)oxolan-2-yl)methyl 2-methylpropanoate
  • 1-O-acetyl-3,4,6-tris-O-(2-methylpropanoyl)-beta-D-fructofuranosyl 6-O-acetyl-2,3,4-tris-O-(2-methylpropanoyl)-alpha-D-glucopyranoside
  • 6-O-Acetyl-1,3,4-tris-O-(2-methyl-1-oxopropyl)-beta-D-fructofuranosyl alpha-D-glucopyranoside 6-acetate 2,3,4-tris(2-methylpropanoate)
  • [(2R,3R,4S,5S)-5-(acetyloxymethyl)-5-[(2R,3R,4S,5R,6R)-6-(acetyloxymethyl)-3,4,5-tris(2-methylpropanoyloxy)oxan-2-yl]oxy-3,4-bis(2-methylpropanoyloxy)oxolan-2-yl]methyl 2-methylpropanoate
  • alpha-D-Glucopyranoside, 6-O-acetyl-1,3,4-tris-O-(2-methyl-1-oxopropyl)-beta-D-fructofuranosyl, 6-acetate 2,3,4-tris(2-methylpropanoate)

Hazard reference values

Values set by assessing bodies. A body that has not set a value is not listed here.
TypeValuePopulationAssessed byOpinion
ADI20 mg/kg bw/dayconsumersEFSA ANS2016

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/sucrose-acetate-isobutyrate.json