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| CAS No.: | 60-18-4 |
|---|---|
| Name: | L-Tyrosine |
| Molecular Structure: | |
 |
|
| Formula: | C9H11NO3 |
| Molecular Weight: | 181.19 |
| Synonyms: | (-)-alpha-Amino-p-hydroxyhydrocinnamic acid;Benzenepropanoic acid, alpha-amino-4-hydroxy-, (S)-;beta-(p-Hydroxyphenyl)alanine;4-Hydroxy-L-phenylalanine;Propanoic acid, 2-amino-3-(4-hydroxyphenyl)-(S)-;alpha-Amino-beta-(4-hydroxyphenyl)propionic acid;Benzenepropanoic acid, .alpha.-amino-4-hydroxy-, (S)-;Tyrosine (USP);2-Amino-3-(4-hydroxyphenyl)propanoic acid-(S)-;Tyrosinum [Latin];L-2-Amino-3-p-hydroxyphenylpropanoic acid;Tirosina [Spanish];Tyrosine, L-;alpha-Amino-p-hydroxyhydrocinnamic acid, (-)-;Tyrosine, L- (8CI);2-Amino-3-(p-hydroxyphenyl)propionic acid;L-Tyrosine (JAN);3-(p-Hydroxyphenyl)alanine;2-Amino-3-(4-hydroxyphenyl)propanoic acid, (S)-;(2S)-2-azaniumyl-3-(4-hydroxyphenyl)propanoate;(S)-2-Amino-3-(p-hydroxyphenyl)propionic acid;(S)-3-(p-Hydroxyphenyl)alanine;(S)-alpha-Amino-4-hydroxybenzenepropanoic acid;Tyrosine [USAN:INN];Propanoic acid, 2-amino-3-(4-hydroxyphenyl)-, (S)-;L-Tyrosine (9CI);(2S)-2-amino-3-(4-hydroxyphenyl)propanoic acid;3-(4-Hydroxyphenyl)-L-alanine;H-Tyr-OH; |
| EINECS: | 200-460-4 |
| Density: | 1.334 g/cm3 |
| Melting Point: | >300 °C (dec.)(lit.) |
| Boiling Point: | 385.163 °C at 760 mmHg |
| Flash Point: | 186.74 °C |
| Solubility: | 0.45 g/L (25 °C) in water |
| Appearance: | White to off-white powder |
| Hazard Symbols: |
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| Risk Codes: | 36/37/38-40 |
| Safety: | 26-36-37/39-22 |
| Transport Information: | |
| PSA: | 83.55000 |
| LogP: | 1.04690 |
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1. Introduction of L-Tyrosine
L-Tyrosine, with the IUPAC Name of (2S)-2-amino-3-(4-hydroxyphenyl)propanoic acid, is one kind of white to off-white powder. For being stable in normal condition, it is incompatible with strong oxidizing agents, strong reducing agents. And it belongs to the Product Categories which include Food and Feed Additive;Tyrosine [Tyr, Y];Amino Acids;Amino Acids and Derivatives;alpha-Amino Acids;Biochemistry;Nutritional Supplements;L-Amino Acids;Amino Acids.
2. Properties of L-Tyrosine
L-Tyrosine has the following property datas: (1)Index of Refraction: 1.614; (2)Molar Refractivity: 47.37 cm3; (3)Molar Volume: 135.8 cm3; (4)Polarizability: 18.78×10-24cm3; (5)Surface Tension: 65.7 dyne/cm; (6)Density: 1.333 g/cm3; (7)Flash Point: 186.7 °C; (8)Enthalpy of Vaporization: 66.87 kJ/mol; (9)Melting Point: >300 °C (dec.)(lit.); (10)Boiling Point: 385.2 °C at 760 mmHg; (11)Vapour Pressure: 1.27E-06 mmHg at 25°C; (12)Water Solubility: 0.45 g/L (25 oC).
3. Structure Descriptors of L-Tyrosine
You could convert the following datas into the molecular structure:
(1).InChI: 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)/t8-/m0/s1
(2).InChIKey: InChIKey=OUYCCCASQSFEME-QMMMGPOBSA-N
(3).Smiles: C([C@H](Cc1ccc(O)cc1)N)(O)=O
4. Toxicity of L-Tyrosine
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | > 1450mg/kg (1450mg/kg) | Yakugaku Zasshi. Journal of Pharmacy. Vol. 97, Pg. 1117, 1977. |
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