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经验配方 CAS号 C₃H₈ClNO₂S * H₂O 7048-04-6 描述 产品目录编号 102839 同义词 Cys, L-Cysteinium Chloride Monohydrate, L-Cysteine Hydrochloride, Monohydrate 产品信息 CAS号 7048-04-6 EC号 200-157-7 Hill配方 C₃H₈ClNO₂S * H₂O Molar Mass 175.64 g/mol HS代码 2930 90 16 结构配方图像 理化信息 熔点 168 - 170 °C pH值 0.8 - 1.2 (100 g/l, H₂O, 20 °C) 容积密度 780 kg/m³ 溶解度 650 g/l (20 °C) GHS安全信息 RTECS HA2285000 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 (iodometric, calc. on dried substance) ≥ 99.0 % Identity (IR-spectrum) passes test Appearance white or 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) +6.3 to +7.3 UV-Absorption (280 nm; 1 mol/l; 1 cm; water) ≤ 0.10 Sulphate (SO₄) ≤ 0.01 % Heavy metals (as Pb) ≤ 0.001 % As (Arsenic) ≤ 0.0005 % Ca (Calcium) ≤ 0.001 % Co (Cobalt) ≤ 0.0005 % Fe (Iron) ≤ 0.0005 % K (Potassium) ≤ 0.0005 % Mg (Magnesium) ≤ 0.0005 % Na (Sodium) ≤ 0.02 % NH₄ (Ammonium) ≤ 0.01 % Zn (Zinc) ≤ 0.0005 % Foreign amino acids ≤ 0.3 % Other ninhydrine positive substances ≤ 0.1 % Loss on drying (Vacuum < 0.7 kPa, P₂O₅, 24 h) 9.0 - 11.5 %
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下一件merck millipore产品：merck millipore,默克密理博,ABC261,Anti-CYP4F12 Antibody
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