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100289 L-Glutamine

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Key Specifications Table

Empirical FormulaCAS #
C₅H₁₀N₂O₃ 56-85-9

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      Catalogue Number100289
      SynonymsL-Glutamic acid-5-amide, Gln
      Product Information
      CAS number56-85-9
      EC number200-292-1
      Hill FormulaC₅H₁₀N₂O₃
      Molar Mass146.15 g/mol
      HS Code2924 19 00
      Structure formula ImageStructure formula Image
      Quality LevelMQ100
      ApplicationL-Glutamine for biochemistry. CAS 56-85-9, pH 4.0 - 6.0 (25 g/l, H₂O, 20 °C).
      Biological Information
      Physicochemical Information
      Density1.47 g/cm3 (20 °C)
      Melting Point185 - 186 °C
      pH value4.0 - 6.0 (25 g/l, H₂O, 20 °C)
      Bulk density640 kg/m3
      Solubility100 g/l
      Materials Information
      Toxicological Information
      LD 50 oralLD50 Rat 7500 mg/kg
      Safety Information according to GHS
      Storage class10 - 13 Other liquids and solids
      WGKWGK 1 slightly hazardous to water
      Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
      Safety Information
      Product Usage Statements
      Storage and Shipping Information
      StorageStore at +5°C to +30°C.
      Packaging Information
      Transport Information
      Supplemental Information
      Assay (perchloric acid titration, calculated on dried substance)99.0 - 101.0 %
      Identity (IR-spectrum)passes test
      Appearancewhite to almost white, fine powder
      Appearance of solution (25 g/l; CO₂-free water)clear and colorless
      Spec. rotation (α 20/D, 100 g/l, hydrochloric acid 2 mol/l, calc. on dried substance)+31,5 to +33,0
      Chloride (Cl)≤ 200 ppm
      Sulfate (SO₄)≤ 200 ppm
      Heavy metals (as Pb)≤ 10 ppm
      As (Arsenic)≤ 5 ppm
      Ca (Calcium)≤ 10 ppm
      Co (Cobalt)≤ 5 ppm
      Fe (Iron)≤ 5 ppm
      K (Potassium)≤ 5 ppm
      Mg (Magnesium)≤ 5 ppm
      Na (Sodium)≤ 50 ppm
      Zn (Zinc)≤ 5 ppm
      Ninhydrin-positive substances (LC) (any ninhydrin-positive impurity)≤ 0.3 %
      Ninhydrin-positive substances (LC) (ammonium (570 nm))≤ 0.1 %
      Ninhydrin-positive substances (LC) (total impurities)≤ 0.5 %
      Loss on drying (105 °C; 3 h)≤ 0.3 %