ChemicalBook >>Quinestrol>>17a-Ethynyl-1,3,5(10)-estratriene-3,17b-diol 3-cyclopentyl ether(152-43-2)

17a-Ethynyl-1,3,5(10)-estratriene-3,17b-diol 3-cyclopentyl ether(152-43-2)

17a-Ethynyl-1,3,5(10)-estratriene-3,17b-diol 3-cyclopentyl ether(152-43-2)
Product IdentificationBack to Contents
【Product Name】

17a-Ethynyl-1,3,5(10)-estratriene-3,17b-diol 3-cyclopentyl ether
【Synonyms】

17a-Ethynyl-1,3,5(10)-estratriene-3,17b-diol 3-cyclopentyl ether
17a-Ethynylestradiol 3-cyclopentyl ether17a-ethynyl-1,3,5(10)-estratriene-3,17b-diol 3-cyclopentyl ether
19-Nor-17a-pregna-1,3,5(10)-trien-20-yn-17-ol, 3-(cyclopentyloxy)-
3-(Cyclopentyloxy)-19-nor-17a-pregna-1,3,5(10)-trien-20-yn-17-ol

3-Cyclopentyloxy-17a-ethynyl-1,3,5(10)-estratrien-17-ol
Ethynylestradiol-3-cyclopentyl ether
【CAS】

152-43-2
【Formula】

C25H32O2
【Molecular Weight】

364.53
【EINECS】

205-803-1
【RTECS】

RC8948000
【RTECS Class】

Drug; Reproductive Effector; Human Data; Hormone
【Merck】

12,8239
【Beilstein/Gmelin】

2013312
【Beilstein Reference】

5-06
Physical and Chemical PropertiesBack to Contents
【Solubility in water】

Insoluble
【Melting Point】

107 - 108
【Vapor Pressure】

6E-11 (25 C)
【pKa/pKb】

13.10 (pKa)
【Partition Coefficient】

5.4
【Heat Of Vaporization】

81.3 kJ/mol
【Usage】

Used to treat symptoms of menopause, such as hot flashes. Also used to treat breast and prostate cancer.
First Aid MeasuresBack to Contents
【Ingestion】

If swallowed, wash out mouth with water provided person is conscious. Call a physician.
【Inhalation】

If inhaled, remove to fresh air. If breathing becomes difficult, call a physician.
【Skin】

In case of skin contact, flush with copious amounts of water for at least 15 minutes. Remove contaminated clothing and shoes. Call a physician.
【Eyes】

In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Wear appropriate government approved respirator, chemical-resistant gloves, safety goggles, other protective clothing.
【Exposure Effects】

Toxic. May cause cancer. Harmful by inhalation, in contact with skin and if swallowed. May cause harm to the unborn child. Reproductive hazard. Target organ(s): Liver. Blood.
Fire Fighting MeasuresBack to Contents
【Flash Point】

219
【Fire Fighting】

Extinguish using Water spray. Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Sweep up, place in a bag and hold for waste disposal. Ventilate area and wash spill site after material pickup is complete.
Stability and ReactivityBack to Contents
【Stability】

Stable at normal temperatures and pressures.
【Incompatibilities】

Strong oxidizing agents.
【Decomposition】

Carbon monoxide, Carbon dioxide.
Hazards IdentificationBack to Contents
【Hazards】

Emits toxic fumes under fire conditions.
【EC Risk Phrase】

45 61 20/21/22
【EC Safety Phrase】

53 22 36/37/39 45
Company Name:J & K SCIENTIFIC LTD.
Tel:010-82848833- ;010-82848833-
Fax:86-10-82849933
WebSite:http://www.jkchemical.com
Company Name:Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel:21-61259100-
Fax:86-21-61259102
WebSite:http://www.meryer.com
Company Name:TCI (Shanghai) Development Co., Ltd.
Tel:021-67121386 / 800-988-0390
Fax:021-67121385
WebSite:www.tcichemicals.com/zh/cn/index.html
Company Name:Energy Chemical
Tel:021-58432009
Fax:021-58436166-800
WebSite:www.energy-chemical.com
Company Name:Tianjin heowns Biochemical Technology Co., Ltd.
Tel:400 638 7771
Fax:
WebSite:www.heowns.com
Company Name:Hangzhou Yuhao Chemical Technology Co., Ltd
Tel:0571-82693216
Fax:+86-571-82880190
WebSite:www.chemyuhao.com
Company Name:BioBioPha Co., Ltd.
Tel:0871-65217109-
Fax:0871-65215563
WebSite:www.biobiopha.com
Company Name:Beijing HuaMeiHuLiBiological Chemical
Tel:010-56205725;010-86181995
Fax:010-65763397
WebSite:www.huabeibiochem.com