| Product Identification | Back to Contents | 【Product Name】
Terazosin | 【Synonyms】
1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-((tetrahydro-2-furanyl)carbonyl)piperazine
Methanone, [4-(4-amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl](tetrahydro-2-furanyl)-
Vasomet | 【CAS】
63590-64-7 | 【Formula】
C19H25N5O4 | 【Molecular Weight】
387.44 | 【RTECS】
TK8044925 | 【Merck】
12,9297 |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
White to off-white powder. | 【Solubility in water】
4 g/L (25 C) | 【Melting Point】
273 | 【Boiling Point】
665 | 【Vapor Pressure】
1.6E-17 (25 C) | 【Density】
1.33 g/cm3 (20 C) | 【pKa/pKb】
7.55 (pKb) | 【Partition Coefficient】
-.96 | 【Heat Of Vaporization】
97.72 kJ/mol | 【Usage】
1-Adrenoceptor antagonist. |
| 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 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. |
| Hazards Identification | Back to Contents | 【Inhalation】
May be harmful if inhaled. Material may be irritating to mucous membranes and upper respiratory tract. | 【Skin】
May cause skin irritation. May be harmful if absorbed through the skin. | 【Eyes】
May cause irritation. | 【Ingestion】
Harmful if swallowed. | 【Hazards】
Emits toxic fumes under fire conditions. | 【EC Risk Phrase】
22 | 【EC Safety Phrase】
26 |
| Exposure Controls/Personal Protection | Back to Contents | 【Personal Protection】
Compatible chemical-resistant gloves. Chemical safety goggles. Protective clothing. | 【Exposure Effects】
Target organs or systems: Cardiovascular system. Central nervous system. Dizziness and other signs of hypotension, facial flushing, and tachycardia. Exposure may cause nausea and vomiting. |
| Fire Fighting Measures | Back to Contents | 【Flash Point】
355 | 【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. |
| Stability and Reactivity | Back to Contents | 【Stability】
Stable at normal temperatures and pressures. | 【Incompatibilities】
Strong oxidizing agents. | 【Decomposition】
Carbon monoxide, Carbon dioxide, Nitrogen oxides. |
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