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108371 L-Tyrosine

108371
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Overview

Replacement Information

Key Spec Table

CAS #Empirical Formula
60-18-4C₉H₁₁NO₃

Products

Catalogue NumberPackaging Qty/Pack
1083710025 Plastic bottle 25 g
1083710100 Plastic bottle 100 g
1083711000 Plastic bottle 1 kg
Description
Catalogue Number108371
Synonyms4-Hydroxyphenylalanine, Tyr, 4-Hydroxyphenylalanine
References
Product Information
CAS number60-18-4
EC number200-460-4
Hill FormulaC₉H₁₁NO₃
Molar Mass181.19 g/mol
HS Code2922 50 99
Structure formula ImageStructure formula Image
Quality LevelMQ100
Applications
ApplicationL-Tyrosine for biochemistry. CAS 60-18-4, pH 6.5 (0.1 g/l, H₂O).
Biological Information
Physicochemical Information
Density1.46 g/cm3
Melting Point343 °C (decomposition)
pH value6.5 (0.1 g/l, H₂O)
Bulk density300 kg/m3
Solubility0.38 g/l
Dimensions
Materials Information
Toxicological Information
LD 50 oralLD50 Rat > 5110 mg/kg
Safety Information according to GHS
RTECSYP2275600
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
Appearancewhite to almost white, crystalline powder or colorless crystals
Appearance of solution (25 g/l, Hydrochloric acid 2 mol/l)clear and not more intense in color than reference solution Y₇
Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance)-12.1 to -11.3
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)≤ 100 ppm
Zn (Zinc)≤ 5 ppm
Ninhydrin-positive substances (LC) (impurity A (570 nm))≤ 0.5 %
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)≤ 0.6 %
Loss on drying (105 °C; 3 h)≤ 0.2 %
Global Trade Item Number
Catalogue Number GTIN
1083710025 04022536103495
1083710100 04022536103501
1083711000 04022536103518