Substance
ID:351909
Names and Identifiers
Synonyms
3-(4-Hydroxyphenyl)-L-alanineL-酪氨酸L-Tyrosine3-(4-对羟苯基)-L-丙氨酸(S)-2-氨基-3-对羟苯基丙酸(S)-2-Amino-3-(4-hydroxyphenyl)propionic acid
IUPAC name
(2S)-2-amino-3-(4-hydroxyphenyl)propanoic acid
IUPAC Traditional name
L-tyrosine
Registration numbers
CAS Number
MDL Number
EC Number
Beilstein Number
PubChem SID
Properties
Product Information
Cation Traces
Co: ≤5 mg/kg
Cu: ≤5 mg/kg
Ni: ≤5 mg/kg
Ba: ≤5 mg/kg
NH4+: ≤200 mg/kg
Sr: ≤5 mg/kg
As: ≤0.1 mg/kg
Ca: ≤10 mg/kg
Fe: ≤5 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Zn: ≤5 mg/kg
Cd: ≤5 mg/kg
Cr: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤200 mg/kg
Pb: ≤5 mg/kg
Al: ≤5 mg/kg
Bi: ≤5 mg/kg
K: ≤50 mg/kg
Loss on Drying
≤0.2% loss on drying, 20 °C (HV)
Antion Traces
chloride (Cl-): ≤400 mg/kg
sulfate (SO42-): ≤300 mg/kg
Linear Formula
4-(HO)C6H4CH2CH(NH2)CO2H
abs.
absorption0.5M/310 nm, 1 M HCl cut-off
Impurities
insoluble matter, passes filter test
≤0.5% foreign amino acids
Purity
≥99.0% (NT)
Ignition Residue
≤0.1%
Product Line
BioUltra
Safety Information
MSDS Link
GHS Hazard statements
H315-H319-H335
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
GHS Precautionary statements
P261-P305+P351+P338
RTECS
YP2275600
GHS Signal Word
Warning
GHS Pictograms
Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, category 2
Eye irritation, category 2
Skin sensitisation, category 1
Specific Target Organ Toxicity – Single exposure, category 3
European Hazard Symbols
Irritant (Xi)Risk Statements
36/37/38
Safety Statements
26
German water hazard class
1
Physical Property
Optical Rotation
[α]20/D -11.5±1.0°, c = 4% in 1 M HCl
Solubility
1 M HCl: soluble0.5 M, clear, colorless (hot)
Melting Point
>300 °C (dec.)(lit.)
Molecule Details
Other Notes
Amino acid precursor of dopamine and other catecholamines
Growth requirements of various microorganisms1
Amino acid precursor of dopamine and other catecholamines
Growth requirements of various microorganisms1
Molecular Spectra
No Data Available
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References
No Data Available
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