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3131-23-5

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Basic Information
CAS No.: 3131-23-5
Name: 4-HYDROXYESTRONE
Article Data: 4
Molecular Structure:
Molecular Structure of 3131-23-5 (4-HYDROXYESTRONE)
Formula: C18H22 O3
Molecular Weight: 286.371
Synonyms: 3,4-Dihydroxy-1,3,5(10)-estratrien-17-one;4-Hydroxyestrone
Density: 1.241g/cm3
Melting Point: 260-263°C
Boiling Point: 468.2°Cat760mmHg
Flash Point: 251.1°C
Hazard Symbols: A reproductive hazard.
Safety: Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating vapors.
PSA: 57.53000
LogP: 3.52300
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Chemistry

IUPAC Name:  3,4-Dihydroxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-one
Synonyms:  3,4-Dihydroxyestra-1,3,5(10)-trien-17-one ; 4-Hydroxyestrone ; Estra-1,3,5(10)-trien-17-one, 3,4-dihydroxy-
The Molecular Formula of  4-Hydroxyestrone (CAS NO.3131-23-5):C18H22O3
The Molecular Weight of  4-Hydroxyestrone (CAS NO.3131-23-5):286.3655g/mol
The Molecular Structure of  4-Hydroxyestrone (CAS NO.3131-23-5): 
Index of Refraction: 1.609
Molar Refractivity: 79.92 cm3
Molar Volume: 230.5 cm3
Surface Tension: 52.2 dyne/cm
Density: 1.241 g/cm3 
Flash Point: 251.1 °C
Enthalpy of Vaporization: 75.82 kJ/mol
Boiling Point: 468.2 °C at 760 mmHg
Vapour Pressure: 2.18E-09 mmHg at 25°C

Uses

  4-Hydroxyestrone ,whose cas register No. is 3131-23-5,can be used as a metabolite of estradiol.

Toxicity Data With Reference

1.    

add-ham-emb 10 mg/L/6H

     CRNGDP    Carcinogenesis. 22 (2001),1505.

Safety Profile

Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating vapors.
WGK Germany: 3
RTECS: KG7749500