结构式


CAS: 1122-91-4
分子式: C7H5BrO
分子量: 185.02

中文名称: 4-溴苯甲醛
对溴苯甲醛

英文名称: 4-bromo-Benzaldehyde
4-Bromobenzaldehyde
p-bromo-benzaldehyde

性质描述: 无色或微黄色叶状结晶。熔点58℃，沸点66-68℃（0.27kPa），闪点108℃。易溶于乙醇和苯，不溶于水。

生产工艺: 以对溴甲苯为原料，在光照下溴化，生成溴苄基溴化合物，在碱性条件下水解，*后水蒸气蒸馏，冷却，结晶，用冷水洗涤，重结晶而得。

用途: 香料、染料及有机合成中间体。

Product Identification
【Product Name】4-Bromobenzaldehyde 　对溴苯甲醛安全技术说明书英文版
【Synonyms】p-Bromobenzaldehyde
【CAS】1122-91-4
【Formula】C7H5BrO
【Molecular Weight】185.03
【EINECS】214-365-0
【RTECS】CU4810000
【RTECS Class】Other
【Beilstein/Gmelin】507100
【Beilstein Reference】4-07-00-00579
【EC Class】irritant

Physical ａnd Chemical Properties
【Appearance】White flakes.
【Solubility in water】Insoluble
【Melting Point】54 - 56
【Boiling Point】244
【Vapor Pressure】0.03 (25 C)
【Density】1.849 g/cm3
【Partition Coefficient】2.57
【Heat Of Vaporization】48.1 kJ/mol
【Vapor Density】6.4

First Aid Measures
【Ingestion】Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious ａnd alert, rinse mouth ａnd drink 2-4 cupfuls of milk or water.
【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. Wash clothing before reuse.
【Eyes】Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper ａnd lower eyelids. Get medical aid.

Handling ａnd Storage
【Storage】Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed. Store protected from light.
【Handling】Wash thoroughly after handling. Remove contaminated clothing ａnd wash before reuse. Use only in a well ventilated area. Avoid contact with eyes, skin, ａnd clothing. Keep container tightly closed. Avoid ingestion ａnd inhalation. Store protected from light. Wash clothing before reuse.

Hazards Identification
【Ingestion】Causes gastrointestinal irritation with nausea, vomiting ａnd diarrhea.
【Inhalation】Causes respiratory tract irritation.
【Skin】Causes skin irritation.
【Eyes】Causes eye irritation.
【EC Risk Phrase】R 22 36/38
【EC Safety Phrase】S 26 36/37/39

对溴苯甲醛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 gloves to prevent skin exposure. Clothing: Wear appropriate clothing to prevent skin exposure.
【Respirators】A respiratory protection program that meets OSHA＇s 29 CFR 1910.134 ａnd ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator＇s use.

对溴苯甲醛Fire Fighting Measures
【Flash Point】108
【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 spray, dry chemical, carbon dioxide, or appropriate foam.

对溴苯甲醛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. Avoid generating dusty conditions. Provide ventilation.

对溴苯甲醛Stability ａnd Reactivity
【Disposal Code】3
【Stability】Stable at room temperature in closed containers under normal storage ａnd handling conditions.
【Incompatibilities】Strong oxidizing agents.
【Decomposition】Carbon monoxide, irritating ａnd toxic fumes ａnd gases, carbon dioxide, hydrogen bromide.

Transport Information
【HS Code】2913 00 00