English name: D-(+)-Raffinose pentahydrate; O-α-D-Galactopyranosyl- (1 → 6) -α-D-glucopyranosyl β-D-fructofuranoside; Melitose; Melitrio Iron: ≤0.0005% Arsenic salt: ≤0.00005%
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Other names: raffinose; dense triose five water; beet sugar; honey triose five water; honey triose; raffinose; eucalyptus
CAS number: 17629-30-0
C18H32O16 • 5H2O = 594.51
Level: Ultra Pure Grade
Content: ≥98.0%
Specific rotation (10%, Water): 103 ~ 107º
Heavy metals: ≤0.001%
Loss on drying: 13 ~ 17%
Properties: white crystalline powder, easy to absorb moisture. A trisaccharide made from the hydrolysis of cottonseed cake flour or beet molasses. It is composed of one molecule each of D-galactose, D-glucose and L-fructose. There are five molecules of crystal water when crystallizing from the aqueous solution, and the crystal water is lost when slowly heated to 100 ° C. Anhydrous melting point is 118 ~ 119 ℃. Soluble in water and pyridine. Very slightly soluble in ethanol. There are dextrorotatory uses: biochemical research. Microbial culture medium and bacteriology are used for intestinal bacteria identification and preservation: RT
D-cotton sugar / raffinose / dense trisaccharide pentahydrate / beet sugar / honey trisaccharide pentahydrate