品名

磷酰溴; 三溴化氧磷; Phosphoryl bromide; Phosphoryl tribromide; Phosphorusoxybromide; CAS：7789-59-5

理化性质

无色或橙色板状结晶。化学式POBr3。分子量286.72。相对密度2.822。熔点56℃。沸点193℃（758mmHg分解）。可溶于乙醚、苯、氯仿、二硫化碳、浓硫酸等。有腐蚀性。与水接触时可缓慢分解生成磷酸及氢溴酸。加热分解,生成溴化物和磷氧化物。能与有机物发生剧烈反应。

接触机会

制造或使用此化学品时,可接触。

侵入途径

本品的粉尘或烟雾可经呼吸道侵入。

毒理学简介

遇水后缓慢分解生成磷酸及溴化氢,对粘膜及皮肤具有刺激、腐蚀作用。代谢及中毒机理与磷酰氯相似。毒性与磷酰氯相似,但稍弱。

临床表现

参见<磷酰氯>。

美国HSDB引用文献：

*SYMPTOMATOLOGY (...INGESTION OR SKIN CONTACT): 1. CORROSION OF MUCOUS MEMBRANES OF MOUTH, THROAT...ESOPHAGUS, WITH...PAIN & DYSPHAGIA. NECROTIC AREAS...GRAYISH WHITE BUT SOON...BLACKISH DISCOLORATION (YELLOW IN CASE OF NITRIC ACID) & SOMETIMES SHRUNK OR WRINKLED TEXTURE. 2. EPIGASTRIC PAIN...MAY BE ASSOC WITH NAUSEA & VOMITING...INTENSE THIRST. 3. CIRCULATORY COLLAPSE...CLAMMY SKIN, WEAK & RAPID PULSE, SHALLOW RESP...SCANTY URINE. ...SHOCK IS OFTEN...CAUSE OF DEATH. 4. ASPHYXIAL DEATH DUE TO GLOTTIC EDEMA. /ACIDS/ [R10]

*SYMPTOMATOLOGY.../INGESTION/: 5. ULCERATION OF ALL MEMBRANES & TISSUES WITH WHICH ACID COMES IN CONTACT. ULCERATED AREAS OFTEN PERFORATE, LEADING TO MEDIASTINITIS & PERITONITIS. 6. LATE ESOPHAGEAL, GASTRIC & PYLORIC STRUCTURES & STENOSIS...MAY REQUIRE...SURGICAL REPAIR, SHOULD BE ANTICIPATED. PERMANENT SCARS MAY...APPEAR IN CORNEA, SKIN & OROPHARYNX. 7. UNCORRECTED CIRCULATORY COLLAPSE OF SEVERAL HR...MAY LEAD TO RENAL FAILURE & ISCHEMIC LESIONS IN LIVER & HEART. /ACIDS/ [R10]

处理

参见<磷酰氯>。

标准

危规：GB8.1 类81055。UN NO.1939,2576(熔融的)。IMDG CODE 8196页,8类。

本内容搜集自互联网，版权归原作者所有