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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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              1.08374.9010
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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
                  Density1.39 g/cm3 (22 °C)
                  Melting Point278.3 °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 -32.5
                  Appearancewhite to almost white, crystalline or amorphous powder
                  Appearance of solution (10 g/l, Hydrochloric acid 1 mol/l)clear and not more intense in color than reference solution BY₆
                  Chloride (Cl)≤ 200 ppm
                  Sulfate (SO₄)≤ 200 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)≤ 0.20 %
                  Global Trade Item Number
                  Catalogue Number GTIN
                  1.08374.0010 04022536103532
                  1.08374.0100 04022536103549
                  1.08374.0500 04022536103556
                  1.08374.9010 04022536692838