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CAS号 EC号 Hill配方 摩尔质量 级别值 56-84-8 200-291-6 C₄H₇NO₄ 133.1 g/mol Ph Eur,BP,USP 描述 产品目录编号 100129 同义词 L-α-Aminosuccinic acid, L-αlpha-Aminosuccinic acid, Asp 产品信息 CAS号 56-84-8 EC号 200-291-6 级别 Ph Eur,BP,USP Hill配方 C₄H₇NO₄ Molar Mass 133.1 g/mol HS代码 2922 49 85 结构配方图像 理化信息 熔点 269 - 271 °C (分解) pH值 2.5 - 3.5 (4 g/l, H₂O, 20 °C) 容积密度 430 kg/m³ 溶解度 4 g/l (20 °C) GHS安全信息 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 (acidimetric; calculated on dried substance) 98.5 - 101.5 % Identity (IR-spectrum) passes test Appearance white, crystalline powder or colorless crystals Appearance of solution (50 g/l; hydrochloric acid 1 mol/l) clear and not more intense in color than reference solution BY₆ (Ph. Eur.) Spec. rotation (α 20/D, 80 g/l, hydrochloric acid 250 g/l, calc. on dried substance) +24.0 to +26.0 Chloride (Cl) ≤ 0.02 % Sulphate (SO₄) ≤ 0.03 % Heavy metals (as Pb) ≤ 0.001 % NH₄ (Ammonium) ≤ 0.02 % Fe (Iron) ≤ 0.001 % Residual solvents (Ph. Eur./USP/ICH) excluded by manufacturing process Organic volatile impurities (according to USP) conforms Ninhydrin - positive substances (TLC) passes test Sulfated ash (600 °C) ≤ 0.1 % Loss on drying (105 °C) ≤ 0.5 % Corresponds to Ph. Eur., BP, USP.
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下一件merck millipore产品：merck millipore,默克密理博,817006,聚乙二醇 4000
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