Ethinylestradiol
time:2013-01-10 14:04:07,count:0
Ethinylestradiol
Alias
19-Nor-17-alpha-pregna-1,3,5(10)-trien-20-yne-3,17-diol
19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, (17alpha)-
Ethinyl estradiol
Category
Non-ionic surfactants-Phenol
CAS No.
57-63-6
Molecular Formula & Molecular Weight
Molecular Formula: C20H24O2
Molecular Weight: 296.40
Structural Formula
Properties
Appearance: solid.
Solubility: insoluble in water.
Stability: stable.
Risk: irritation, irritation to skin, eye.
Animal toxicity[1]: mouse intraperitoneal LD50: 250mg/Kg;
mouse oral LD50: 950mg/Kg;
mouse subcutaneous LD50: > 3000mg/Kg;
rat intraperitoneal LD50: 471mg/Kg;
rat oral LD50: 960mg/Kg;
rat subcutaneous LD50: > 2000mg/Kg.
Human toxicity[1]: women oral TDLo: 21mg/Kg/21D-I. reasonably anticipated to be a carcinogen.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent dispersing, emulsifying, lubricating abilities. Estrogen.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
Actives*, %, ≥
95
 
*: should be marked on molecular weight.
Major Uses
Use as pharmaceutical ingredient.
Use as intermediate in organic synthesis.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/: 57-63-6
Update: 20130920(1);

 

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