L-Tyrosine
Price:Negotiable
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Description
Additional Information
| Chinese Name | L-Tyrosine |
| English Name | L-Tyrosine |
| Chinese Aliases | L-β-p-Hydroxyphenyl-β-alanine; (2S,3R)-2-Amino-3-(4-hydroxyphenyl)propanoic acid; Tyrosine |
| CAS RN | 60-18-4;55520-40-6 |
| EINECS No. | 200-460-4 |
| Molecular Formula | C9H11NO3 |
| Molecular Weight | 181.19 |
| Hazard Symbol | Xi:Irritant |
| Risk Phrases | R36/37/38; |
| Safety Phrases | S26; S36; |
| Physical and Chemical Properties | The product appears as lustrous fine needle-like crystals or crystalline powder. Melting point ≥300°C. Decomposes at 342～344°C. Decomposes more readily when coexisting with hydrocarbons. Density 1.456g/cm3. pK′12.20; pK′29.11; pK′310.07. Optical rotation -10.6o(c=4, in 1mol/L HCl); -13.2o(c=4, in 3mol/L NaOH). -12.3o±0.5o, -11.0o±0.5o(c=4, in 1mol/L HCl). Solubility in water (g/100ml): 0.02 (0℃); 0.045 (25℃); 0.105 (50℃); 0.244 (75℃); 0.565 (100℃). Soluble in alkaline aqueous solutions. Insoluble in neutral organic solvents such as anhydrous ethanol, ether, acetone, etc. |
| Uses | Used for tissue culture (L-tyrosine·2Na·H2O), biochemical reagents, treatment of hyperthyroidism. Also used as a modulator for elderly and children's food, and as a plant foliar nutrient, etc. |
| Industry Category | Chemicals/Pharmaceutical Raw Materials/Amino Acids & Derivatives |
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| Origin: | China / Shanghai / Fengxianqu |
