Ethynyl estradiol CAS NO.57-63-6

Ethynyl estradiol Basic information

Product Name:    Ethynyl estradiol
Synonyms:    ETHYNYLESTRADIOL;ETHINYL ESTRADIOL;LYNORAL;19-NORPREGNA-1,3,5(10)-TRIEN-20-YNE-3,17ALPHA-DIOL;19-NOR-1,3,5[10],17ALPHA-PREGNATRIEN-20-YNE-3,17-DIOL;1,3,5(10)-ESTRATRIEN-17-ALPHA-ETHYNYL-3,17-BETA-DIOL;ACETENYL ESTRADIOL;17ALPHA-ETHYNYL-DELTA1,3,5(10)-ESTRA-TRIENE-3,17BETA-DIOL
CAS:    57-63-6
MF:    C20H24O2
MW:    296.41
EINECS:    200-342-2
Product Categories:    
Mol File:    57-63-6.mol

Ethynyl estradiol Chemical Properties
Melting point     182-183 °C(lit.)
Boiling point     378°C (rough estimate)
density     1.0944 (rough estimate)
refractive index     -30 ° (C=0.4, Pyridine)
Fp     9℃
storage temp.     room temp
solubility     ethanol: 50 mg/mL, clear, slightly yellow
form     neat
pka    pKa 10.32 (Uncertain)
Merck     14,3734
BRN     2419975
InChIKey    BFPYWIDHMRZLRN-SLHNCBLASA-N
CAS DataBase Reference    57-63-6(CAS DataBase Reference)
NIST Chemistry Reference    Ethinyl estradiol(57-63-6)
EPA Substance Registry System    Ethinyl estradiol (57-63-6)

Safety Information
Hazard Codes     T,F
Risk Statements     45-22-39/23/24/25-23/24/25-11
Safety Statements     53-36/37/39-45-36/37-16
RIDADR     UN1230 - class 3 - PG 2 - Methanol, solution
WGK Germany     3
RTECS     RC8925000
F     8
HS Code     29372390
Hazardous Substances Data    57-63-6(Hazardous Substances Data)
Toxicity    LD50 oral in rat: 960mg/kg