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ANNEX I

E 444 SUCROSE ACETATE ISOBUTYRATE

SynonymsSAIB
DefinitionSucrose acetate isobutyrate is a mixture of the reaction products formed by the esterification of food grade sucrose with acetic acid anhydride and isobutyric anhydride, followed by distillation. The mixture contains all possible combinations of esters in which the molar ratio of acetate to butyrate is about 2:6
Einecs204-771-6
Chemical nameSucrose diacetate hexaisobutyrate
Chemical formulaeC40H62O19
Molecular weight832-856 (approximate), C40H62O19: 846,9
AssayContent not less than 98,8 % and not more than 101,9 % of C40H62O19
DescriptionA pale straw-coloured liquid, clear and free of sediment and having a bland odour
Identification
A.Solubility
Insoluble in water. Soluble in most organic solvents
B.Refractive index
[n]40 D: 1,4492-1,4504
C.Specific gravity
[d]25 D: 1,141-1,151
Purity
TriacetinNot more than 0,1 %
Acid valueNot more than 0,2
Saponification valueNot less than 524 and not more than 540
ArsenicNot more than 3 mg/kg
LeadNot more than 3 mg/kg
MercuryNot more than 1 mg/kg
CadmiumNot more than 1 mg/kg
Heavy metals (as Pb)Not more than 5 mg/kg