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
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Eltanolone(128-20-1)

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
Eltanolone
Synonyms
3a,5b-Tetrahydroprogesterone
3a-Hydroxy-5b-tetrahydroprogesterone
Pregnan-20-one, 3-hydroxy-, (3a,5b)-
Pregnanolone II
CAS
128-20-1
Formula
C21H34O2
Molecular Weight
318.5
RTECS
TU4384000
Merck
12,7910
Beilstein/Gmelin
4785659

Physical and Chemical Properties

Appearance
Solid.
Solubility in water
2.3 mg/L (25 C)
Melting Point
149.5
Boiling Point
431
Vapor Pressure
3.1E-9 (25 C)
Density
1.05 g/cm3 (20 C)
pKa/pKb
15.11 (pKa)
Partition Coefficient
4.89
Heat Of Vaporization
79.26 kJ/mol

Handling and Storage

Storage
Keep tightly closed. Store in a cool dry place.

Hazards Identification

Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
Skin
In case of contact, immediately wash skin with soap and copious amounts of water. 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.
Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
Hazards
Emits toxic fumes under fire conditions.
EC Risk Phrase
40
EC Safety Phrase
22 36

Exposure Controls/Personal Protection

Personal Protection
Compatible chemical-resistant gloves. Chemical safety goggles. Protective clothing.
Respirators
Wear appropriate government approved respirator.

Fire Fighting Measures

Flash Point
183
Fire Fighting
Extinguish with 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 Measures

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

Stability and Reactivity

Stability
Stable at normal temperatures and pressures.
Decomposition
Oxides of carbon
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