L-Tyrosine

• Catalog No.: 93830
• CAS Number: 60-18-4
• M. F.: C9H11NO3
• M. W.: 181.18854
• Purity: ≥99.0% (NT)

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 Signal Word: Warning
• GHS Hazard statements: H315-H319-H335
• European Hazard Symbols: Irritant (Xi)
• 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