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重要规格表
CAS号 EC号 Hill配方 摩尔质量 级别值 56-45-1 200-274-3 C₃H₇NO₃ 105.09 g/mol Ph Eur,USP 描述 产品目录编号 107647 同义词 3-Hydroxy-L-alanine, Ser 产品信息 CAS号 56-45-1 EC号 200-274-3 级别 Ph Eur,USP Hill配方 C₃H₇NO₃ Molar Mass 105.09 g/mol HS代码 2922 50 00 结构配方图像 理化信息 熔点 215 - 225 °C 分解 pH值 5 - 6 (100 g/l, H₂O, 20 °C) 容积密度 570 kg/m³ 溶解度 364 g/l (20 °C) GHS安全信息 RTECS VT8100000 储存类别 10 - 13 其它液体及固体 WGK WGK 1 轻度的水危害 一次性 3
反应性相对较低的有机物必须被收集在第A类, 如果被卤化则在第B类, 如果为固体残留物则归在第C类.规格 规格 Assay (perchloric acid titration, calculated on dried substance) 98.5 - 101.0 % Identity (IR-spectrum) passes test Appearance white to almost white or colorless, needle-shaped crystals Appearance of solution (50 g/l; water) clear and not more intense in color than reference solution BY₆ Spec. rotation (α 20/D, 100 g/l, hydrochloric acid 2 mol/l, calc. on dried substance) +14.0 to +16.0 Spec. rotation (α 25/D, 100 g/l, hydrochloric acid 2 mol/l, calc. on dried substance) +14.0 to +15.6 Chloride (Cl) ≤ 200 ppm Sulphate (SO₄) ≤ 300 ppm Heavy metals (as Pb) ≤ 10 ppm Fe (Iron) ≤ 10 ppm Related Compounds, total (TLC) ≤ 0.5 % Ninhydrin-positive substances (LC) (any ninhydrin-positive impurity) ≤ 0.2 % Ninhydrin-positive substances (LC) (ammonium (570 nm)) ≤ 0.02 % Ninhydrin-positive substances (LC) (total impurities) ≤ 0.5 % Methanol (HS-GC) ≤ 3000 ppm Other residual solvents (ICH Q3C) excluded by manufacturing process Sulfated ash (600 °C) ≤ 0.1 % Loss on drying (105 °C; 3 h) ≤ 0.2 % Bacterial endotoxins ≤ 2.0 I.U./g Residues of metal catalysts or metal reagents acc. to EMEA/CHMP/SWP/4446/2000
are not likely to be present.Corresponds to Ph. Eur., USP.
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