Sucrose acetate isobutyrate

Sucrose acetoisobutyrate (SAIB) is an emulsifier and has E number E444.[1] In the United States, SAIB is categorized as generally recognized as safe (GRAS) as a food additive in cocktail mixers, beer, malt beverages, or wine coolers[2] and is a potential replacement for brominated vegetable oil.

Sucrose acetate isobutyrate
Names
IUPAC name
[(2S,3S,4R,5R)-2-(Acetyloxymethyl)-2-[(2R,3R,4S,5R,6R)-6-(acetyloxymethyl)-3,4,5-tris(2-methylpropanoyloxy)oxan-2-yl]oxy-4-(2-methylpropanoyloxy)-5-(2-methylpropanoyloxymethyl)oxolan-3-yl] 2-methylpropanoate
Other names
Sucrose acetoisobutyrate
Sucrose diacetate hexaisobutyrate
HSDB 5657; AI3-25354; E444
Identifiers
3D model (JSmol)
Abbreviations SAIB
ECHA InfoCard 100.004.338
EC Number
  • 204-771-6
E number E444 (thickeners, ...)
Properties
C40H62O19
Molar mass 846.917 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Chemistry

SAIB can be prepared by esterification of sucrose with acetic and isobutyric anhydride.

Uses
  • Beverage emulsions - weighting agent
  • Color cosmetics and skin care
  • Flavorings (orange flavor)
  • Fragrance fixative
  • Hair care
  • Horse styling products

References
  1. Current EU approved additives and their E Numbers, Food Standards Agency
  2. Agency Response Letter GRAS Notice No. GRN 000104, U.S. Food and Drug Administration
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