SORBITAN TRISTEARATE-聚氧乙烯山梨醇酐三硬脂酸酯(聚山梨酸酯65).pdfVIP

SORBITAN TRISTEARATE Prepared at the 39th JECFA (1992), published in FNP 52 Add 1 (1992) superseding specifications prepared at the 17th JECFA, published in FNP 4 (1978). Metals and arsenic specifications revised at the 55th JECFA (2000). A group ADI of 0-25 mg/kg bw as the sum of sorbitan esters of lauric, oleic, palmitic and stearic acids was established at the 26th JECFA (1982 SYNONYMS INS No. 492 DEFINITION A mixture of the partial esters of sorbitol and its mono- and dianhydrides with edible stearic acid C.A.S. number 26658-19-5 Structural formula Contains stearic acid esterified with polyols derived from sorbitol, including the following types: Assay Saponification of 100 g of the product shall yield not less than 14 g and not more than 21 g of polyols and not less than 85 g and not more than 92 g of fatty acids; and the polyol content shall be not less than 95% of a mixture of sorbitol, 1,4- sorbitan and isosorbide. DESCRIPTION Light cream- to tan beads or flakes or hard, waxy solid FUNCTIONAL USES Emulsifier CHARACTERISTICS IDENTIFICATION Solubility (Vol. 4) Slightly soluble in toluene, ether, carbon tetrachloride and ethyl acetate; dispersible in petroleum ether, mineral oil, vegetable oils, acetone and dioxane; insoluble in water, methanol and ethanol. Congealing range (Vol. 4) o o 47 - 50 PURITY Water (Vol. 4) Not more than 1.5% (Karl Fischer Method) Sulfated ash (Vol. 4) Not more than 0.5% Acid value (Vol. 4) Not more than 15 Saponi