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L-Tyrosine

Catalog No. 93830 Name Sigma Aldrich
CAS Number 60-18-4 Website http://www.sigmaaldrich.com
M. F. C9H11NO3 Telephone 1-800-521-8956
M. W. 181.18854 Fax
Purity ≥99.0% (NT) Email
Storage Chembase ID: 21

SYNONYMS

Title
L-酪氨酸
IUPAC name
(2S)-2-amino-3-(4-hydroxyphenyl)propanoic acid
IUPAC Traditional name
L-tyrosine
Synonyms
3-(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
3-(4-Hydroxyphenyl)-L-alanine

DATABASE IDS

MDL Number MFCD00002606
CAS Number 60-18-4
Beilstein Number 392441
EC Number 200-460-4

PROPERTIES

Antion Traces chloride (Cl-): ≤250 mg/kg
Antion Traces sulfate (SO42-): ≤100 mg/kg
Cation Traces Ca: ≤100 mg/kg
Cation Traces Cd: ≤5 mg/kg
Cation Traces Co: ≤5 mg/kg
Cation Traces Cr: ≤5 mg/kg
Cation Traces Cu: ≤5 mg/kg
Cation Traces Fe: ≤5 mg/kg
Cation Traces K: ≤50 mg/kg
Cation Traces Mg: ≤100 mg/kg
Cation Traces Mn: ≤5 mg/kg
Cation Traces NH4+: ≤200 mg/kg
Cation Traces Na: ≤200 mg/kg
Cation Traces Ni: ≤5 mg/kg
Cation Traces Pb: ≤5 mg/kg
Cation Traces Zn: ≤5 mg/kg
Ignition Residue ≤0.1% (as SO4)
Impurities ≤0.5% foreign amino acids
Linear Formula 4-(HO)C6H4CH2CH(NH2)CO2H
Loss on Drying ≤0.5% loss on drying, 110 °C
Purity ≥99.0% (NT)
Melting Point >300 °C (dec.)(lit.)
Optical Rotation [α]20/D -11.5±1.0°, c = 4% in 1 M HCl
GHS Pictograms GHS07
GHS Signal Word Warning
GHS Hazard statements H315-H319-H335
European Hazard Symbols Irritant Irritant (Xi)
MSDS Link Download
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
GHS Precautionary statements P261-P305 + P351 + P338
Risk Statements 36/37/38
RTECS YP2275600
Safety Statements 26
German water hazard class 1

DETAILS

Description (English)
Other Notes
Amino acid precursor of dopamine and other catecholamines
Description (简体中文)
Other Notes
多巴胺和其他儿茶酚胺的氨基酸前体

REFERENCES