Xylitol
Molecular Structure:
MDL:
MFCD00064292
Molecular Formula:
C5H12O5;HOCH2[CH(OH)]3CH2OH
Molecular Weight:
152.15
Alias:
戊五醇,五羟基戊烷,1,2,3,4,5-戊五醇
xylite
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
Xylitol |
分析标准品 |
250mg |
RMB 207.9 |
Consulting service |
Xylitol |
99% |
25g |
RMB 61.6 |
现货 |
Xylitol |
99% |
100g |
RMB 105.6 |
现货 |
Xylitol |
99% |
500g |
RMB 339.9 |
促销 |
Character:
外形似白糖略带甜味的斜方晶体(稳定型)或单斜晶体(亚稳型)。斜方晶体的熔点61-61.5℃。单斜晶体的熔点93-94.5℃,沸点215-217℃。易溶于水,溶于乙醇及吡啶类溶剂。
密度:1.52
熔点:92℃
Quality Standard:
外观Appearance 白色至米黄色粉末
红外光谱鉴别Infrared spectrometry Conforms
纯度Purity ≥98.0% (HPLC)
纯度Purity ≥99.0% (高氯酸滴定)
熔点Melting point(Decomposition) 91.0-95.0℃
水溶性试验Solubility in Water 合格(透明)
氯化物chloride (Cl) ≤50ppm
水溶解试验solubility in water 0.1 g/mL
水分Water <0.5 %
重金属Heavy metals (as Pb) <10 ppm
硫酸盐灰分Sulfated ash <0.5 %
砷As <3 ppm
还原性糖Reducing sugars <0.2 %
Storage:
密封干燥保存。
用途 生化研究。
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