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L-Tyrosine（CAS# 60-18-4) Featured Image
  • L-Tyrosine（CAS# 60-18-4) 1

L-Tyrosine（CAS# 60-18-4)

Chemical Property:

Molecular Formula C9H11NO3
Molar Mass 181.19
Density 1.34
Melting Point 290℃
Boling Point 314.29°C (rough estimate)
Specific Rotation(α) -11.65 ° (C=5,DIL HCL/H2O 50/50)
Flash Point 176℃
Water Solubility 0.45 g/L (25℃)
Solubility Insoluble in water (0.04%, 25°C), insoluble in absolute ethanol, ether and acetone, soluble in dilute acid or alkali.
Appearance Morphological powder
Color White to Pale-brown
Merck 14,9839
BRN 392441
pKa 2.2(at 25℃)
PH 6.5 (0.1g/l, H2O)
Storage Condition Store below +30°C.
Stability Stable. Incompatible with strong oxidizing agents, strong reducing agents.
Sensitive Sensitive to light
Refractive Index -12 ° (C=5, 1mol/L H
MDL MFCD00002606
Physical and Chemical Properties The product is mercerized fine needle-like crystal or crystalline powder. Melting point ≥ 300 °c. 342~344 degrees C decomposition. In the coexistence with hydrocarbons are more susceptible to decomposition. Density 1.456g/cm3. pK ‘12.20;pK’ 29.11;pK ‘310.07. Optical rotation -10.6 °(c = 4 in 1mol/L HCl);-13.2 °(c = 4,3mol/L NaOH). -12.3 ° ± 0.5 °,-11.0 ° ± 0.5 °(c = 4, 1 mol/L HCl) solubility in water (g/100ml):0.02(0 °c);0.045(25 degrees C);0.105(50 degrees C);0.244(75 degrees C);0.565(100 degrees C). Soluble in aqueous alkali solution. Insoluble in neutral organic solvents, such as ethanol, ether, acetone, etc.
Use For tissue culture (L-tyrosine · 2Na · H2O), biochemical reagents, treatment of hyperthyroidism. Can also be used as a modulation of the elderly, children’s food and plant foliar nutrition, etc

Product Detail

Product Tags

Hazard Symbols Xi – Irritant
Risk Codes R36/37/38 – Irritating to eyes, respiratory system and skin.
Safety Description S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 – Wear suitable protective clothing.
WGK Germany 3
RTECS YP2275600
TSCA Yes
HS Code 29225000
Toxicity LD50 orally in Rabbit: > 5110 mg/kg

 

Introduction

L-tyrosine is a non-essential amino acid with polar side chains. Cells can use it to synthesize proteins that play a role in signal transduction. L-tyrosine is a proteogenic amino acid that acts as a receiver of the phosphogroup transferred by the kinase.

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