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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

Products

Catalogue NumberPackaging Qty/Pack
1083740010 Plastic bottle 10 g
1083740100 Plastic bottle 100 g
1083740500 Plastic bottle 500 g
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
1083740500 04022536103556