ANNEX I

E 444 SUCROSE ACETATE ISOBUTYRATE

Synonyms

SAIB

Definition

Sucrose 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

Einecs

204-771-6

Chemical name

Sucrose diacetate hexaisobutyrate

Chemical formulae

C40H62O19

Molecular weight

832-856 (approximate), C40H62O19: 846,9

Assay

Content not less than 98,8 % and not more than 101,9 % of C40H62O19

Description

A 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]40D: 1,4492-1,4504

C.

Specific gravity

[d]25D: 1,141-1,151

Purity

Triacetin

Not more than 0,1 %

Acid value

Not more than 0,2

Saponification value

Not less than 524 and not more than 540

Arsenic

Not more than 3 mg/kg

Lead

Not more than 3 mg/kg

Mercury

Not more than 1 mg/kg

Cadmium

Not more than 1 mg/kg

Heavy metals (as Pb)

Not more than 5 mg/kg