Supplier Product Identification Physical and Chemical Properties First Aid Measures Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Hazards Identification
Home > 16a(R),17-(Butylidenebis(oxy))-11b,21-dihydroxypregna-1,4-diene-3,20-dione > 16a(R),17-(Butylidenebis(oxy))-11b,21-dihydroxypregna-1,4-diene-3,20-dione(51333-22-3)

16a(R),17-(Butylidenebis(oxy))-11b,21-dihydroxypregna-1,4-diene-3,20-dione(51333-22-3)

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

Product Identification

Product Name
16a(R),17-(Butylidenebis(oxy))-11b,21-dihydroxypregna-1,4-diene-3,20-dione
Synonyms
16,17-Butylidenebis(oxy)-11,21-dihydroxypregna-1,4-diene-3,20-dione
Pregna-1,4-diene-3,20-dione, 16,17-[butylidenebis(oxy)]-11,21-dihydroxy-, (11b,16a)-
CAS
51333-22-3
Formula
C25H34O6
Molecular Weight
430.54
EINECS
257-139-7
RTECS
TU3723000
RTECS Class
Drug; Reproductive Effector; Human Data; Hormone
Merck
12,1490
Beilstein/Gmelin
3633996
Beilstein Reference
5-19-06-00575

Physical and Chemical Properties

Solubility in water
Insoluble
Vapor Pressure
7E-17 (25 C)
pKa/pKb
12.85 (pKa)
Heat Of Vaporization
102.4 kJ/mol
Usage
An anti-inflammatory agent in the treatment of asthma, rhinitis, and inflammatory bowel disease.

First Aid Measures

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 Protection

Personal Protection
Wear appropriate government approved respirator, chemical-resistant gloves, safety goggles, other protective clothing.
Exposure Effects
Harmful. Limited evidence of a carcinogenic effect. Possible teratogen.

Fire Fighting Measures

Flash Point
202
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 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.

Hazards Identification

EC Risk Phrase
40
EC Safety Phrase
22 36
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