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]40 D: 1,4492-1,4504 |
C.Specific gravity | [d]25 D: 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 |