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L-Tyrosine CAS 60-18-4

White needle shaped crystals or crystalline powders, odorless and bitter in taste, difficult to dissolve in water (0.04%, 25 ℃) at 334 ℃ (decomposition), insoluble in anhydrous ethanol, ether, and acetone, soluble in dilute acid or dilute alkali. Isoelectric point 5.66.
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  • 60-18-4

  • bosschemical

  • 60-18-4

L-Tyrosine Basic information
Tyrosine non-essential amino acid Tyrosine in human metabolism tyrosine kinase Tyrosine iodide Neuropeptide tyrosine Melanin Identification test Content Analysis Toxicity Limited use Chemical Properties Uses Production Method
Product Name: L-Tyrosine
CAS: 60-18-4
MF: C9H11NO3
MW: 181.19
EINECS: 200-460-4
Mol File: 60-18-4.mol
L-Tyrosine Chemical Properties
Melting point  >300 °C (dec.) (lit.)
alpha  -11.65 º (c=5,DIL HCL/H2O 50/50)
Boiling point  314.29°C (rough estimate)
bulk density 300kg/m3
density  1.34
FEMA  3736 | L-TYROSINE
refractive index  -12 ° (C=5, 1mol/L HCl)
Fp  176 °C
storage temp.  Store below +30°C.
solubility  1 M HCl: 25 mg/mL
pka 2.2(at 25℃)
form  powder
color  White to Pale-brown
PH 6.5 (0.1g/l, H2O)
Odor odorless
Odor Type odorless
optical activity [α]20/D 11.5±1.0°, c = 4% in 1 M HCl
biological source rabbit
Water Solubility  0.45 g/L (25 ºC)
Merck  149,839
JECFA Number 1434
BRN  392441
Stability: Stable. Incompatible with strong oxidizing agents, strong reducing agents.
InChIKey OUYCCCASQSFEME-QMMMGPOBSA-N
LogP 0.38
CAS DataBase Reference 60-18-4(CAS DataBase Reference)
NIST Chemistry Reference Tyrosine(60-18-4)
EPA Substance Registry System L-Tyrosine (60-18-4)
Absorption cut-off at 310nm in 1 M HCl at 0.5M

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