1.08371
L-Tyrosine
for biochemistry
Synonym(s):
L-Tyrosine, 4-Hydroxyphenylalanine, Tyr
About This Item
Recommended Products
Quality Level
form
crystalline powder
potency
>5110 mg/kg LD50, oral (Rat)
pH
6.5 (0.1 g/L in H2O)
mp
297-298 °C (decomposition)
solubility
0.38 g/L
density
1.46 g/cm3 at 20 °C
bulk density
300 kg/m3
storage temp.
2-30°C
SMILES string
[N+H3]C(Cc1ccc(cc1)O)C(=O)[O-]
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
Related Categories
1 of 4
This Item | 1.08378 | T2900000 | PHR1097 |
|---|---|---|---|
| form crystalline powder | form - | form - | form - |
| storage temp. 2-30°C | storage temp. 2-30°C | storage temp. 2-8°C | storage temp. 2-30°C |
| solubility 0.38 g/L | solubility 0.38 g/L | solubility - | solubility - |
| mp 297-298 °C (decomposition) | mp 297-298 °C (decomposition) | mp >300 °C (dec.) (lit.) | mp >300 °C (dec.) (lit.) |
| Quality Level 100 | Quality Level 500 | Quality Level - | Quality Level 300 |
| potency >5110 mg/kg LD50, oral (Rat) | potency >5110 mg/kg LD50, oral (Rat) | potency - | potency - |
Analysis Note
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): -11.3 to -12.1
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): ≤ 0.2 %
Storage Class
13 - Non Combustible Solids
wgk_germany
WGK 1
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