ChemicalBook >>Ethinyl Estradiol>>17a-Ethynyl-1,3,5(10)-estratriene-3,17b-diol(57-63-6)

17a-Ethynyl-1,3,5(10)-estratriene-3,17b-diol(57-63-6)

17a-Ethynyl-1,3,5(10)-estratriene-3,17b-diol(57-63-6)
Product IdentificationBack to Contents
【Product Name】

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

17-Ethinyl-3,17-estradiol
17-Ethinylestradiol
19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, (17a)-
Dyloform
Follicoral
Primogyn
【CAS】

57-63-6
【Formula】

C20H24O2
【Molecular Weight】

296.41000000000003
【EINECS】

200-342-2
【RTECS】

RC8925000
【RTECS Class】

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

12,3780
【Beilstein/Gmelin】

2419975
【Beilstein Reference】

4-06-00-06877
Physical and Chemical PropertiesBack to Contents
【Appearance】

Fine white to creamy white powder. A synthetic steroid.
【Solubility in water】

Insoluble
【Melting Point】

182-184
【pKa/pKb】

10.34 (pKa)
【Usage】

Used in combination with progestogen as an oral contraceptive (merck).
First Aid MeasuresBack to Contents
【Ingestion】

DO NOT INDUCE VOMITING. If the victim is conscious and not convulsing, give 1 or 2 glasses of water to dilute the chemical and IMMEDIATELY call a hospital or poison control center. Be prepared to transport the victim to a hospital if advised by a physician. If the victim is convulsing or unconscious, do not give anything by mouth, ensure that the victim's airway is open and lay the victim on his/her side with the head lower than the body. DO NOT INDUCE VOMITING. IMMEDIATELY transport the victim to a hospital.
【Inhalation】

IMMEDIATELY leave the contaminated area; take deep breaths of fresh air. IMMEDIATELY call a physician and be prepared to transport the victim to a hospital even if no symptoms (such as wheezing, coughing, shortness of breath, or burning in the mouth, throat, or chest) develop. Provide proper respiratory protection to rescuers entering an unknown atmosphere. Whenever possible, Self-Contained Breathing Apparatus (SCBA) should be used.
【Skin】

IMMEDIATELY flood affected skin with water while removing and isolating all contaminated clothing. Gently wash all affected skin areas thoroughly with soap and water. If symptoms such as redness or irritation develop, IMMEDIATELY call a physician and be prepared to transport the victim to a hospital for treatment.
【Eyes】

First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.
Handling and StorageBack to Contents
【Storage】

Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
【Handling】

All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Chemical splash goggles in compliance with OSHA regulations are advised; however, OSHA regulations also permit other type safety glasses. Whre chemical resistant gloves. To prevent repeated or prolonged skin contact, wear impervious clothing and boots.
【Respirators】

Wear a NIOSH-approved half face respirator equipped with a combination filter cartridge, i.e. organic vapor/acid gas/HEPA (specific for organic vapors, HCl, acid gas, SO2 and a high efficiency particulate filter).
【Exposure Effects】

The toxicological properties of this material have not been investigated.
Fire Fighting MeasuresBack to Contents
【Fire Fighting】

Fires involving this compound can be controlled with a dry chemical, carbon dioxide or Halon extinquisher.
【Fire Potential】

The This material is probably combustible.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Should a spill occur while you are handling this chemical, FIRST REMOVE ALL SOURCES OF IGNITION, then you should dampen the solid spill material with 60-70% ethanol and transfer the dampened material to a suitable container. Use absorbent paper dampened with 60-70% ethanol to pick up any remaining material. Seal the absorbent paper, and any of your clothes, which may be contaminated, in a vapor-tight plastic bag for eventual disposal. Solvent wash all contaminated surfaces with 60-70% ethanol followed by washing with a soap and water solution. Do not reenter the contaminated area until the Safety Officer (or other responsible person) has verified that the area has been properly cleaned.
Stability and ReactivityBack to Contents
【Incompatibilities】

May react vigorously with strong oxidizing agents May react exothermically with reducing agents to generate gaseous hydrogen.
【Stability】

No data.
Hazards IdentificationBack to Contents
【Hazards】

The
Company Name: Wuhan Biocar Pharmacy Co.,Ltd
Tel: 13343447621
Fax: 027-86589876
WebSite: http://www.biocar.cn
Company Name: Wuhan Biocar Pharmacy Co.,Ltd
Tel: 13397173981 13260677953
Fax: 027-86589876
WebSite: www.biocar.cn/
Company Name: J & K SCIENTIFIC LTD.
Tel: 010-82848833 400-666-7788
Fax: 86-10-82849933
WebSite: http://www.jkchemical.com
Company Name: Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel: 4006608290; 18621169109
Fax: 86-21-61259102
WebSite: https://www.meryer.com/cn/index/
Company Name: 3B Pharmachem (Wuhan) International Co.,Ltd.
Tel: 821-50328103-801 18930552037
Fax: 86-21-50328109
WebSite: https://www.chemicalbook.com/ShowSupplierProductsList13285/0.htm
Company Name: Chembest Research Laboratories Limited
Tel: 021-20908456
Fax: 021-58180499
WebSite: http://www.BioChemBest.com
Company Name: TCI (Shanghai) Development Co., Ltd.
Tel: 021-67121386
Fax: 021-67121385
WebSite: https://www.tcichemicals.com/CN/zh/
Company Name: Energy Chemical
Tel: 021-021-58432009 400-005-6266
Fax: 021-58436166
WebSite: http://www.energy-chemical.com