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Sucrose Acetate Isobutyrate or SAIB or Sucrose Acetoisobutyrate or Sucrose Diacetate Hexaisobutyrate USP FCC Food Grade Supplier Exporter Manufacturers' Representative |
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Sucrose Acetate Isobutyrate or SAIB or Sucrose Acetoisobutyrate or Sucrose Diacetate Hexaisobutyrate
CAS Number: 27216-37-1 or 126-13-6 or 123-13-6
Molecular Formula: C40H62O19
Molecular Weight: 846.92
Sucrose Acetate Isobutyrate or SAIB or Sucrose Acetoisobutyrate or Sucrose Diacetate Hexaisobutyrate
Sucrose Diacetate Hexaisobutyrate USP Grade Specifications:
C40H62O19 --- 846.92
α-D-Glucopyranoside, 6-O-acetyl-1,3,4-tris-O-(2-methyl-1-oxopropyl)-β-D-fructofuranosyl, 6-acetate 2,3,4-tris(2-methylpropanoate);
6-O-Acetyl-1,3,4-tri-O-isobutyryl-β-D-fructofuranosyl 6-Oacetyl-2,3,4-tri-O-isobutyryl-α-D-glucopyranoside CAS 126-13-6.
DEFINITION
Sucrose Diacetate Hexaisobutyrate consists of a mixture of sucrose esters of acetic and isobutyric acid, with sucrose diacetate hexaisobutyrate being the predominant sucrose ester. It is produced through the controlled esterification of sucrose with acetic anhydride and isobutyric anhydride.
IDENTIFICATION
A. Spectroscopic Identification tests: Infrared Spectroscopy.
B. It meets the requirements in the test for Saponification Value under Specific Tests.
ASSAY
Acceptance criteria: 98.8%–101.9%
Fats and Fixed Oils:
Procedures, Acid Value
Analysis: Add 100 mL of acetone and 0.5 mL of bromothymol blue TS to a 500-mL Erlenmeyer flask. While stirring, titrate the solvent to a bromothymol blue endpoint, with 0.05 N sodium hydroxide. Place the flask with the blanked solvent on a balance and tare. Add between 8–12 g of sample into the flask. [NOTE: The sample needs to be heated first to become a pourable liquid.1 ] The solution will turn yellow if acid is present. If 12 g of added sample does not turn the solution yellow, additional sample may be added up to 100 g by increasing the weight incrementally. If the blue color of the solution is not changed by 100 g of sample after mixing, report the acid value to less than 0.006 (reporting limit). Swirl the contents of the flask to mix. Heat if necessary to dissolve the sample. If heating is required, allow the solution to cool to room temperature before titration. While stirring, titrate the sample with 0.05 N sodium hydroxide to the same blue endpoint as the blank.
Acceptance criteria: NMT 0.2
Fats and Fixed Oils:
Procedures, Saponification Value
Analysis: Weigh accurately about 1.5 g of Sucrose Diacetate Hexaisobutyrate directly into a tared 500-mL Erlenmeyer flask. Accurately dispense or pipet 50.0 mL of 0.5 N alcoholic potassium hydroxide VS into the 500-mL Erlenmeyer flask containing the sample and also into a second 500-mL Erlenmeyer flask to be used for the blank. Add a couple of boiling chips to each flask. Place each flask on a hot plate and connect the flasks to the reflux condensers, which are cooled with water. Reflux the solutions for approximately 1 h. Allow the flasks to cool, then wash down each condenser with approximately 50 mL of water. After the condensers drain, remove the flasks from the condensers. Add approximately 0.2 mL or 10 drops of PhPh to each flask. Titrate the blank and sample solutions with 0.5 N hydrochloric acid until the pink color disappears.
Acceptance criteria: 524–540.
Water Determination: NMT 0.5%
Specifications of Sucrose Acetate Isobutyrate FCC Food Grade:
C40H62O19 Formula weight 846.9 (range 832 to 856)
INS: 444 CAS 27216-37-1
CAS 123-13-6
DESCRIPTION
Sucrose Acetate Isobutyrate occurs as a clear, pale yellow, viscous liquid. It consists of a mixture of sucrose esters of acetic and isobutyric acid, with sucrose diacetate hexaisobutyrate being the predominant sucrose ester. It is produced through the controlled esterification of sucrose with acetic anhydride and isobutyric anhydride. It is very soluble in essential oils such as orange oil, soluble in ethanol and in ethyl acetate, and very slightly soluble in water.
Function: Stabilizer.
REQUIREMENTS
Identification: Identify Sucrose Acetate Isobutyrate by comparing its infrared absorption spectrum with a typical spectrum as shown in the section on Infrared Spectra, using the same test conditions as specified therein.
Assay: Not less than 98.8% and not more than 101.9% of C40H62O19.
Acid Value: Not more than 0.2.
Lead: Not more than 1 mg/kg.
Saponification Value: Not less than 524 and not more than 540.
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