結構式
CAS: 619-58-9
分子式: C7H5IO2
分子量: 248.02
中文名稱: 4-碘苯甲酸
對碘苯甲酸
英文名稱: 4-Iodobenzoic acid
4-jodbenzoesaeure
性質描述: 白色或淺黃色有光澤的結晶。熔點269-272℃，相對密度2.184（20/4℃）。對碘苯甲酸溶于熱水、醇和醚，難溶于冷水。加熱至熔點以上升華并分解。
用途: 用于有機合成。
其它信息：
Product Identification
【Product Name】4-Iodobenzoic acid
【Synonyms】4-Iodobenzoic acid；對碘苯甲酸
【CAS】619-58-9
【Formula】C7H5IO2
【Molecular Weight】248.02
【EINECS】210-603-2
【RTECS】DH2976000
【RTECS Class】Drug
【Beilstein/Gmelin】1860232
【Beilstein Reference】4-09-00-01035
Physical and Chemical Properties
【Appearance】Solid.
【Solubility in water】Soluble
【Boiling Point】319℃
【Vapor Pressure】0.00015 (25℃)
【Density】2.184 g/cm3 (20℃)
【pKa/pKb】4.02 (pKa)
【Partition Coefficient】3.13
【Heat Of Vaporization】59.1 kJ/mol
【Heat Of Combustion】-3151 kJ/mol
First Aid Measures
【Ingestion】If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.
【Inhalation】Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
【Skin】Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
【Eyes】Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Handling and Storage
【Storage】Store in a cool, dry place. Keep container closed when not in use.
【Handling】Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Hazards Identification
【Ingestion】May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
【Inhalation】May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
【Skin】May cause skin irritation. No information regarding skin irritation and other potential effects was found.
【Eyes】May cause eye irritation. No information regarding eye irritation and other potential effects was found.
【EC Risk Phrase】R 36/37/38
【EC Safety Phrase】S 26 36
Exposure Controls/Personal Protection
【Personal Protection】Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves and clothing to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
【Respirators】Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Fire Fighting Measures
【Flash Point】146℃
【Fire Fighting】Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.
Accidental Release Measures
【Small spills/leaks】Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal.
Stability and Reactivity
【Disposal Code】4
【Stability】Stable under normal temperatures and pressures.
【Incompatibilities】Strong bases, oxidizing agents.
【Decomposition】Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, hydrogen iodide.
Transport Information
【HS Code】2916 39 00
