99%


外观Appearance                                              白色结晶粉末
红外光谱鉴别Infrared spectrometry            和对照品匹配
纯度Purity                                                         ≥99.0% (以干基计)
干燥损失Loss on drying                                 <0.2 % (1 g, 105°C, 3 小时)
重金属Heavy metals (as Pb)                       <5 ppm
硫酸盐灰分Sulfated ash                                 <0.05 %
比旋度Specific rotation [a]20/D                    -27.6°～ -29° (c=6, H2O)
痕量分析Trace analysis :
  Cl                                                                  < 100 ppm
  SO4                                                                < 100 ppm
溶解性Appearance of solution (2.5% 水溶液.)  无色透明



品级Grade                                                           非动物源，EP, JP, USP ；用于细胞培养，99.0-101.0%  
                                                                             (from non-animal source, EP, JP, USP, for cell culture, 99.0-101.0%)
来源origin                                                          must be non-animal source
外观appearance                                                 white crystalline powder
红外鉴别试验identification by ir                     compares to reference standard
水溶解性solubility                                            clear colorless solution at 1g t o 10ml of water
比旋光度specific rotation                                -27.6 to -29.0 deg (20degc/EP, JP)     -26.7 to -29.1 deg (25degc/USP) 
 氯chloride                                                        ≤ 0.020%
铵ammonium                                                   ≤ 0.02%
硫酸盐sulfate                                                     ≤ 0.020%
铁iron                                                                 ≤ 10 ppm
重金属heavy metals                                         ≤ 10 ppm
砷arsenic                                                            ≤ 1 ppm
干燥失重loss on drying                                       ≤ 0.20%
灼烧残渣residue on ignition                              ≤ 0.10%
残留溶剂residual solvents                         meets the requirements
茚三酮阳性物质ninhydrin-positive substances (other amino acids)
                                       conforms
ph test (USP)                          5.0 to 6.5 (5% in water)
ph test (EP)                           5.0 to 6.5 (2.5% in water)
ph test (JP)                           5.2 to 6.2 (1% in water)
含量assay (dry basis)                  99.0 to 101.0%
内毒素endotoxin assay                  ≤ 1 eu/mg
细胞培养测试cell culture test          pass

危险品标志  Xi
WGK Germany  3
RTECS号 XO8590000
Hazard Note  Irritant
危险类别码  36/37/38
安全说明  24/25-37/39-26
海关编码  29225000

用途  苏氨酸是一种重要的营养强化剂，可以强化谷物、糕点、乳制品，和色氨酸一样有恢复人体疲劳，促进生长发育的效果。医药上，由于苏氨酸的结构中含有羟基，对人体皮肤具有持水作用，与寡糖链结合，对保护细胞膜起重要作用，在体内能促进磷脂合成和脂肪酸氧化。
用途  用于生化研究，医药上作为氨基酸类营养药，主要用于治疗贫血症。