IUPAC Name: (3R,4R,5R)-1,3,4,5,6-Pentahydroxyhexan-2-one Other Names: D-allulose, D-ribo-2-hexulose Appearance: White Crystal Powder CAS Number: 23140-52-5/551-66-8 Chemical Formula: C6H12O6 Molar Mass 180.16 g�·molâ??1 Melting Point 58 �°C (136 �°F; 331 K) Function of Allucose 1. Low-calorie sugar 2. No effect on blood sugar 3. Can be part of a healthy diet 4. The taste and Texture of sugar, without all the calories 5. Contributes far fewer calories (approximately 90 percent less) than sugar