。

白色斜方棱柱状结晶或结晶性粉末。以呋喃糖型和吡喃糖型同时存在。糖类中味最甜。极易潮解。水中溶解度:3750 G/L (20°C)，溶于乙醇、乙醚、吡啶、乙胺和甲胺，易溶于热丙酮，微溶于冷丙酮。
密度：1.6
熔点：103～105℃
比旋光度[α]20D -92 ° (C=10, H2O)  

果糖和葡萄糖互为同分异构体。果糖分子中没有醛基，但酮羰基邻位有羟基存在，其水溶液也能发生银镜反应，也能被新制氢氧化铜氧化，生成氧化亚铜红色沉淀，具有还原性，反应结果分子中碳链断裂。

外观Appearance                          白色结晶或结晶粉末
纯度Purity                              98.5%～101.0%
红外光谱鉴别Infrared spectrometry       和对照品匹配
干燥失重Loss on drying                  
<0.5 % (70°C, 4 hrs) (vacuum) >重金属Heavy metals (as Pb)              
<10 ppm >硫酸盐灰分Sulfated ash                  
<0.1 % >比旋度Specific rotation [a]20/D         -89° ～ -94°(c=10, H2O/NH3)
氯离子Cl                                < 50 ppm
硫酸根SO4                               < 50 ppm
溶解度Appearance of solution            passes test
其它糖Foreign sugars                    passes test
5-hydroxymethylfurfural                 passes test
and related compounds

品级Grade                              美国药典级
                                       （USP30)
鉴别试验IDENTITY                        PASS
溶液颜色COLOR OF SOLUTION               PASS
酸度ACIDITY                             ≤ 0.50 ML
干燥失重LOSS ON DRYING                  ≤ 0.5%
灼烧残渣RESIDUE ON IGNITION             ≤ 0.5%
氯CHLORIDE                              ≤ 0.018%
硫酸根SULFATE                           ≤ 0.025%
砷ARSENIC                               ≤ 1 PPM
钙镁CALCIUM AND MAGNESIUM (AS CALCIUM)  ≤ 0.005%
重金属HEAVY METALS                      ≤ 5 PPM
羟基甲基糠醛LIMIT OF HYDROXY- METHYLFURFURAL PASS
残留溶剂RESIDUAL SOLVENTS               MEETS THE REQUIREMENTS
含量ASSAY                               98.0% ～ 102.0% (DRY BASIS)


品级Grade                              欧洲药典级  
                                      (Ph. Eur., BP)
比旋光度optical activity [α]20/D      −93.5 to −91.0°, c = 10% in H2O
5-hydroxymethylfurfurol and related substances,
                                      complies
acidity or alcalinity,                complies
foreign sugar,                        complies
residual solvents,                    complies
water                                 ≤0.5%  (Karl Fischer)
ign. residue                          ≤0.1% (as SO4)
Melting point                         119-122 °C (dec.)
cation traces Ba:,                    in accordance
  Pb:                                 ≤0.5 ppm
suitability                           in accordance for appearance of solution


品级Grade                              细胞培养专用  
                                     (cell culture tested)
外观Appearance                          白色粉末
红外光谱鉴别Infrared spectrometry       Conforms
纯度Purity                              ≥99.0% (HPLC)  
水溶解试验solubility in water           合格,200mg/4ML
比旋光度Specific rotation [a]20/D       -87.7°～ -91.3°(C=5, H2O)
葡萄糖Glucose                           ≤ 0.05% （ENZYMATIC ANALYSIS）
细胞培养cell culture test               PASS
昆虫细胞培养insect cell culture test    PASS