Chlorinated sucrose derivative with enhanced sweetness. Prepn: P. H. Fairclough et al., Carbohydr. Res. 40, 285 (1975). Prepn of crystalline anhydrous and pentahydrate: M. R. Jenner, D. Waite, EP 30804 (1981 to Tate & Lyle; Talres Dev.); eidem, US 4343934 (1982 to Talres Dev.). Use as non-nutritive sweetener: BE 850180; L. Hough et al., US 4435440 (1977, 1984 both to Tate & Lyle). In vitro activity vs cariogenic bacteria: J. Verran, D. B. Drucker, Arch. Oral Biol. 27, 693 (1982). Structure-sweetness relationship: M. Mathlouthi et al., Carbohydr. Res. 152, 47 (1986). Review: L. Hough, R. Khan, Trends Biochem. Sci. 3, 61-63 (1978).