这是akron数据库的东西
Exposure limit(s) TLV (as TWA): 50 ppm; 176 mg/m3 (ACGIH 1992-1993). MAK: 50 ppm; 180 mg/m3; (1992). OSHA PEL: TWA 500 ppm (1800 mg/m3) NIOSH REL: TWA 50 ppm (180 mg/m3) NIOSH IDLH: 1100 ppm LEL
Poison_Class 4
Exposure effects Prolonged or repeated skin contact may cause defatting and dermatitis. Prolonged or repeated exposure may cause adverse reproductive effects. May cause fetal effects. Chronic exposure may cause visual disturbances. Laboratory experiments have resulted in mutagenic effects. Repeated exposure may cause nervous system abnormalities with muscle weakness and damage, motor incoordination, and sensation disturbances. Chronic exposure produces peripheral neuropathy.
   Ingestion May produce abdominal pain, nausea. Aspiration into lungs can produce severe lung damage and is a medical emergency. Other symptoms expected to parallel inhalation.  
   Inhalation Inhalation of vapors irritates the respiratory tract. Overexposure may cause lightheadedness, nausea, headache, and blurred vision. Greater exposure may cause muscle weakness, numbness of the extremities, unconsciousness and death.
   Skin Causes irritation with burning pain, itching, and redness. May cause blistering of the skin. Absorbed through the skin.
   Eyes Causes mild eye irritation. Causes redness and pain. May cause blurred vision, tearing, and conjunctivitis.  

First aid  
   Ingestion If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Possible aspiration hazard. Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.  
   Inhalation Get medical aid immediately. Remove from exposure to fresh air immediately. If breathing is difficult, give oxygen. DO NOT use mouth-to-mouth respiration. If breathing has ceased apply artificial respiration using oxygen and a suitable mechanical device such as a bag and a mask.  
   Skin Get medical aid. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.  
   Eyes Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.  



【 在 Angew (小和尚) 的大作中提到: 】
: 正己烷的百度百科：
: 【健康危害】
: 　　侵入途径：吸入、食入、经皮吸收。
: ...................
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FROM 202.113.16.*