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经验配方 CAS号 C₃H₇NO₂ 56-41-7 描述 产品目录编号 101007 同义词 2-Aminopropionic acid, Ala 产品信息 CAS号 56-41-7 EC号 200-273-8 Hill配方 C₃H₇NO₂ Molar Mass 89.09 g/mol HS代码 2922 49 85 结构配方图像 理化信息 密度 1.40 g/cm³ (20 °C) 熔点 295 - 297 °C (分解) pH值 5.5 - 6.5 (100 g/l, H₂O, 20 °C) 容积密度 660 kg/m³ 溶解度 166.5 g/l (25 °C) GHS安全信息 RTECS AY2990000 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) ≥ 99.0 % Identity (IR-spectrum) passes test Appearance white to almost white crystalline powder or colorless crystals Appearance of solution (1 mol/l, water) clear and colorless Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance) +14.2 to +15.2 UV-Absorption (260 nm; 1 mol/l; 1 cm; water) ≤ 0.02 UV-Absorption (280 nm; 1 mol/l; 1 cm; water) ≤ 0.02 Chloride (Cl) ≤ 0.01 % Sulphate (SO₄) ≤ 0.01 % Heavy metals (as Pb) ≤ 0.001 % As (Arsenic) ≤ 0.0005 % Ca (Calcium) ≤ 0.005 % Co (Cobalt) ≤ 0.0005 % Fe (Iron) ≤ 0.0005 % K (Potassium) ≤ 0.0005 % Mg (Magnesium) ≤ 0.0005 % Na (Sodium) ≤ 0.005 % NH₄ (Ammonium) ≤ 0.01 % Zn (Zinc) ≤ 0.0005 % Foreign amino acids ≤ 0.3 % Other ninhydrine positive substances ≤ 0.1 % Loss on drying (105 °C; 3 h) ≤ 0.2 %
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