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Merck 1.08374 L-Tryptophan for Biochemistry 1 kg

Marka
Stok Kodu
LB.M.1083741000
Kısa Bilgi
Synonym(s): L-Tryptophan, Trp Empirical Formula (Hill Notation): C11H12N2O2 CAS Number: 73-22-3 Molecular Weight: 204.23 MDL number: MFCD00064340 EC Index Number: 200-795-6
Merck 1.08374 L-Tryptophan for Biochemistry 
Merck 1.08374 L-Tryptophan for Biochemistry
Catalogue Number 108374
Synonyms Trp
Product Information
CAS number 73-22-3
EC number 200-795-6
Hill Formula C₁₁H₁₂N₂O₂
Molar Mass 204.23 g/mol
HS Code 2933 99 80
Structure formula Image Structure formula Image
Quality Level MQ100
Applications
Application L-Tryptophan for biochemistry. CAS 73-22-3, pH 5.5 - 7.0 (10 g/l, H₂O, 20 °C).
Physicochemical Information
Melting Point 290 °C (decomposition)
pH value 5.5 - 7 (1 g/l, H₂O, 25 °C)
Bulk density 400 kg/m3
Solubility 10 g/l
Toxicological Information
LD 50 oral LD50 Rat 16000 mg/kg
Safety Information according to GHS
RTECS YN6130000
Storage class 10 - 13 Other liquids and solids
WGK WGK 1 slightly hazardous to water
Disposal 3
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.
Storage and Shipping Information
Storage Store at +5°C to +30°C.
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
Appearance white 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 Identification Number
Catalogue Number GTIN
1083740010 4022536103532
1083740100 4022536103549
1083740500 4022536103556
1083749010 4022536692838
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Merck 1.08374 L-Tryptophan for Biochemistry
Merck 1.08374 L-Tryptophan for Biochemistry 1 kg Synonym(s): L-Tryptophan, Trp, Empirical Formula (Hill Notation): C11H12N2O2, CAS Number: 73-22-3, Molecular Weight: 204.23 MDL number: MFCD00064340 LB.M.1083741000
Merck 1.08374 L-Tryptophan for Biochemistry 1 kg

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