100289 L-Glutamine

100289
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      Overview

      Replacement Information

      Key Specifications Table

      Empirical FormulaCAS #
      C₅H₁₀N₂O₃ 56-85-9

      Pricing & Availability

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      1002891000
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          Plastic bottle 1 kg
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          Description
          Catalogue Number100289
          SynonymsL-Glutamic acid-5-amide, Gln
          References
          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
          Applications
          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
          Dimensions
          Materials Information
          Toxicological Information
          LD 50 oralLD50 Rat 7500 mg/kg
          Safety Information according to GHS
          RTECSMA2275100
          Storage class10 - 13 Other liquids and solids
          WGKWGK 1 slightly hazardous to water
          Disposal3
          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
          Specifications
          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 %