L-Thyroxine CAS NO.51-48-9

L-Thyroxine Chemical Properties
Melting point     235 °C
alpha     -5 º (1N NaOH:EtOH 1:2)
density     2.4440 (estimate)
Fp     9℃
storage temp.     2-8°C
solubility     Dissolves in 4M ammonium hydroxide in Methanol at 50mg/ml
pka    2.2(at 25℃)
form     Powder
Boiling point     576.3±50.0 °C(Predicted)
color     White to Pale Brown
Water Solubility     insoluble
Sensitive     Light Sensitive
Merck     9491
BRN     2228515
InChIKey    XUIIKFGFIJCVMT-LBPRGKRZSA-N
CAS DataBase Reference    51-48-9(CAS DataBase Reference)
EPA Substance Registry System    L-Thyroxine (51-48-9)

L-Thyroxine Basic information
Overview Biosynthesis Indication and dosage Formulations Pharmacokinetics Mechanism of action Adverse reactions Precaution Reference
Product Name:    L-Thyroxine
Synonyms:    3,5,3’,5’-tetraiodothyronine;beta-[(3,5-diiodo-4-hydroxyphenoxy)-3,5-diiodophenyl]alanine;l-3,5,3’,5’-tetraiodothyronine;l-t4;o-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-l-tyrosin;β-((3,5-Diiodo-4-hydroxyphenoxy)-3,5-diiodophenyl)alanine;3,5,3',5'-TETRAIODO-L-THYRONINE;3,3',5,5'-TETRAIODO-L-THYRONIN
CAS:    51-48-9
MF:    C15H11I4NO4
MW:    776.87
EINECS:    200-101-1
Mol File:    51-48-9.mol

Safety Information
Hazard Codes     Xn,T,F
Risk Statements     40-39/23/24/25-23/24/25-11
Safety Statements     22-24/25-36-45-36/37-16
RIDADR     UN1230 - class 3 - PG 2 - Methanol, solution
WGK Germany     3
RTECS     YP2833500
F     8-10
TSCA     Yes
HazardClass     IRRITANT
HS Code     29379000
Hazardous Substances Data    51-48-9(Hazardous Substances Data)
Toxicity    TDLo oral in child: 328ug/kg