Information
Specification category:
Product No. | Product name | specifications |
1.18303.010 | D-Xylose | BR25g |
|
Characteristic:
Appearance and properties:Colorless to white needle crystal or crystalline powder, slight odor and a refreshing sweetness. Dextral light and variable optical activity. Sweetness of sugar is about 40%, a presence in the sawdust, straw, corn cobs and other five-carbon sugar that can restore warm Fehling's solution. The body can not digest, can not use
Melting point(℃)(℃):144~145
Relative density(water=1)?(water=1):1.525
Solubility:Soluble in water(125g/100mL)、Pyridine and hot ethanol,Slightly soluble inCold ethanol
Technical indicators:
Item | BC |
Specific rotation[α]20D | +18.5o~+19.5o |
Residue on ignition(as SO4) | ≤0.1% |
Clarity test of solution | Pass |
Free acid (as CH3COOH) | ≤0.015% |
Chloride(Cl) | ≤0.003% |
Sulfate(SO4) | ≤0.005% |
Heavy metals(as Pb) | ≤0.001% |