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108374 L-Tryptophan

L-Tryptophan for biochemistry. CAS 73-22-3, pH 5.5 - 7.0 (10 g/l, H₂O, 20 °C).

L-Tryptophan MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: Trp

108374
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Overview

Replacement Information

Key Spec Table

CAS #Empirical Formula
73-22-3C₁₁H₁₂N₂O₂

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      1083740100
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          Description
          Catalogue Number108374
          SynonymsTrp
          References
          Product Information
          CAS number73-22-3
          EC number200-795-6
          Hill FormulaC₁₁H₁₂N₂O₂
          Molar Mass204.23 g/mol
          HS Code2933 99 19
          Structure formula ImageStructure formula Image
          Quality LevelMQ100
          Applications
          ApplicationL-Tryptophan for biochemistry. CAS 73-22-3, pH 5.5 - 7.0 (10 g/l, H₂O, 20 °C).
          Biological Information
          Physicochemical Information
          Melting Point290 °C (decomposition)
          pH value5.5 - 7 (1 g/l, H₂O, 25 °C)
          Bulk density400 kg/m3
          Solubility10 g/l
          Dimensions
          Materials Information
          Toxicological Information
          LD 50 oralLD50 Rat 16000 mg/kg
          Safety Information according to GHS
          RTECSYN6130000
          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 +2°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
          Identity (specific rotation)passes test
          Spec. rotation (α 20/D, 10 g/l, water, calc. on dried substance)-30.0 to -33.0
          Appearancewhite to almost white, crystalline or amorphous powder
          Appearance of solution (10 g/l, Hydrochloric acid 1 mol/l)clear and colorless
          Chloride (Cl)≤ 200 ppm
          Sulfate (SO₄)≤ 300 ppm
          Fe (Iron)≤ 20 ppm
          Ninhydrin-positive substances (LC) (any ninhydrin-positive impurity)≤ 0.2 %
          Ninhydrin-positive substances (LC) (ammonium (570 nm))≤ 0.02 %
          Ninhydrin-positive substances (LC) (total impurities)≤ 0.5 %
          Loss on drying (105 °C; 3 h)≤ 0.3 %
          Global Trade Item Number
          Catalogue Number GTIN
          1083740010 04022536103532
          1083740100 04022536103549