Supplier Product Identification Physical and Chemical Properties Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity
Home > 17-Hydroxy-7alpha-methyl-19-norpregn-5(10)-en-20-yn-3-one > 17-Hydroxy-7alpha-methyl-19-norpregn-5(10)-en-20-yn-3-one(5630-53-5)

17-Hydroxy-7alpha-methyl-19-norpregn-5(10)-en-20-yn-3-one(5630-53-5)

Supplier Product Identification Physical and Chemical Properties Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity

Product Identification

Product Name
17-Hydroxy-7alpha-methyl-19-norpregn-5(10)-en-20-yn-3-one
Synonyms
(7a,17a)-17-Hydroxy-7-methyl-19-norpregn-5(10)-en-20-yn-3-one
19-Norpregn-5(10)-en-20-yn-3-one, 17-hydroxy-7-methyl-, (7alpha,17alpha)-
7a-Methyl-17a-ethynyl-17b-hydroxy-5(10)-estren-3-one
7a-Methyl-D5,10-norethindrone
CAS
5630-53-5
Formula
C21H28O2
Molecular Weight
312.45
EINECS
227-069-1
Merck
12,9566

Physical and Chemical Properties

Solubility in water
Insoluble
Melting Point
167
Boiling Point
447
Vapor Pressure
7.0E-10 (25 C)
Density
1.13 g/cm3 (20 C)
pKa/pKb
13.10 (pKa)
Partition Coefficient
4.03
Heat Of Vaporization
81.4 kJ/mol
Usage
Used mainly for hormone replacement therapy in post-menopausal women.

Handling and Storage

Storage
Store in original container in a cool dark place.

Hazards Identification

Inhalation
Remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen. Seek medical attention.
Skin
Immediately wash skin with soap and copious amounts of water for at least 15 minutes. If irritation persists, seek medical attention.
Eyes
Immediately flush eyes with copious amounts of water for at least 15 minutes. Seek medical advice.
Ingestion
If swallowed, wash out mouth with water, provided person is conscious. Seek medical advice.

Exposure Controls/Personal Protection

Personal Protection
Wear self-contained breathing apparatus, rubber boots & heavy rubber gloves.

Fire Fighting Measures

Flash Point
191
Fire Fighting
Extinguish with carbon dioxide, dry chemical powder or appropriate foam. Water spray. Wear self-contained breathing apparatus and protective clothing to prevent contact with the skin and eyes.

Accidental Release Measures

Small spills/leaks
Sweep-up/absorb in suitable material, place in a container and hold for disposal. Avoid raising dust. Ventilate area and wash spill site after pickup is complete.

Stability and Reactivity

Combustion Products
Emits toxic fumes under fire conditions.
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