IUPAC Name: Sodium 2-amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoate pentahydrate
Synonyms: 3-[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]-L-alanine sodium salt ; Alanine, 3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)-, monosodium salt, pentahydrate ; L-Tyrosine, O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-, sodium salt, pentahydrate ; O-(4-Hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-tyrosine sodium salt pentahydrate ; Sodium levothyroxine ; Sodium L-thyroxine pentahydrate
Molecular Structure of Sodium l-thyroxine pentahydrate (CAS NO.6106-07-6) :
Molecular Formula of Sodium l-thyroxine pentahydrate (CAS NO.6106-07-6) : C₁₅H₁₀I₄NNaO₄.5(H₂O)
Molecular Weight of Sodium l-thyroxine pentahydrate (CAS NO.6106-07-6) : 888.93
CAS NO: 6106-07-6
Product Categories: Hormones
Mol File: 6106-07-6.mol
Flash Point: 302.3 °C
Enthalpy of Vaporization: 90.78 kJ/mol
Boiling Point: 576.3 °C at 760 mmHg
Vapour Pressure: 4.02E-14 mmHg at 25°C
Melting point: 207-210 (dec.)(lit.)
Storage temp. 2-8°C
Solubility : cell culture medium: 0.1 mg/mL
Form : powder

Experimental reproductive effects. When heated to decomposition it emits toxic vapors of NO_x and I⁻.
Hazard CodesXn
Risk Statements 40
R40:Limited evidence of a carcinogenic effect.
Safety Statements 22-24/25-36
S22:Do not breathe dust. 
S24/25:Avoid contact with skin and eyes. 
S36:Wear suitable protective clothing.
WGK Germany 3
RTECS YP2833760
F 3-8-10