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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Model:
60-18-4
Brand:
bosschemical
Code:
60-18-4

Product Description

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

L-Tyrosine CAS 60-18-4 C9H11NO3 Food additive Nutritional supplement Nutritional fortifier Cosmetic antioxidant Animal feed additive

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Chemical detection methods

Spectroscopic Analysis Methods

Ultraviolet-Vis Spectrophotometry (UV-Vis)
Infrared Spectroscopy (IR/FTIR)
Atomic Absorption Spectroscopy (AAS)
X-ray Fluorescence Spectroscopy (XRF)
Nuclear Magnetic Resonance Spectroscopy (NMR)

Chromatographic Analysis

Gas Chromatography (GC)
High Performance Liquid Chromatography (HPLC)
Ion Chromatography (IC)
Thin Layer Chromatography (TLC)

Mass Spectrometry Analysis

GC-MS / LC-MS/MS: Qualitative and Quantitative Analysis
ICP-MS: Trace Metal Elements (ppb Level)
TOF-MS: Precise Molecular Weight Determination

Electrochemical analysis methods

Polypotentiometric methods
Conductivity methods
Polarographic methods / Voltammetric methods
Coulometric analysis

Thermal Analysis Methods

Thermogravimetric Analysis (TGA)
Differential Scanning Calorimetry (DSC)
Differential Thermal Analysis (DTA)

Classical wet chemical analysis

Titration analysis
Gravity analysis