1.08371

L-Tyrosine

for biochemistry

• Synonym(s): 4-Hydroxyphenylalanine, Tyr, L-Tyrosine
• Empirical Formula (Hill Notation): C₉H₁₁NO₃
• CAS Number: 60-18-4
• Molecular Weight: 181.19
• MDL编号: MFCD00002606
• EC索引号: 200-460-4

Properties

• 质量水平: 100
• 形式: crystalline powder
• 效能: >5110 mg/kg LD₅₀, oral (Rat)
• pH值（酸碱度）: 6.5 (0.1 g/L in H₂O)
• mp: 297-298 °C (decomposition)
• 溶解性: 0.38 g/L
• 密度: 1.46 g/cm³ at 20 °C
• 堆积密度: 300 kg/m³
• 储存温度: 2-30°C
• InChI: 1S/C9H11NO3/c10-8(9(12)13)5-6-1-3-7(11)4-2-6/h1-4,8,11H,5,10H2,(H,12,13)
• InChI key: OUYCCCASQSFEME-UHFFFAOYSA-N

Description

分析说明

Assay (perchloric acid titration, calculated on dried substance): 99.0 - 101.0 %
Identity (IR-spectrum): passes test
Appearance: white, crystalline powder or colorless crystals
Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance): -11.0 to -12.3
Chloride (Cl): ≤ 0.02 %
Sulfate (SO₄): ≤ 0.01 %
Heavy metals (as Pb): ≤ 0.001 %
As (Arsenic): ≤ 0.0005 %
Ca (Calcium): ≤ 0.001 %
Co (Cobalt): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.0005 %
Mg (Magnesium): ≤ 0.0005 %
Na (Sodium): ≤ 0.01 %
NH₄ (Ammonium): ≤ 0.01 %
Zn (Zinc): ≤ 0.0005 %
L-Phenylalanine: ≤ 0.5 %
other foreign amino acids: ≤ 0.2 %
Other ninhydrine positive substances: ≤ 0.1 %
Loss on drying (105 °C; 3 h): ≤ 0.3 %

Safety Information

• 储存分类代码: 13 - Non Combustible Solids
• WGK: WGK 1