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108371 酪胺酸

L-Tyrosine for biochemistry. CAS 60-18-4, pH 6.5 (0.1 g/l, H₂O).

酪胺酸 MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: 4-Hydroxyphenylalanine, Tyr, 4-Hydroxyphenylalanine

108371
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Overview

Replacement Information

Key Spec Table

CAS #Empirical Formula
60-18-4C₉H₁₁NO₃

Products

Catalogue NumberPackaging Qty/Pack
1.08371.0025 塑膠瓶 25 g
1.08371.1000 塑膠瓶 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 (分解)
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
1.08371.0025 04022536103495
1.08371.1000 04022536103518