| Product Identification | Back to Contents | 【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 | Back to Contents | 【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 | Back 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 Protection | Back to Contents | 【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 | Back to Contents | 【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. |
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