主题：习总接见周小平和花千芳，时无英雄乎？ -- 遥仰凤华

老实说二甲苯毒性不算大.HMIS rating是2,３,０.

具体说下HMIS，二甲苯hazard(也就是毒性)给出的rating为2.可以算比较低了.Flammability(易燃性)为3.Reactivity Hazard(反应性)为0.

照HMIS的描述,二甲苯总体上毒性算不上高。乙醇丙酮的毒性都为２.

HMIS连接:

http://www.sigmaaldrich.com/MSDS/MSDS/DisplayMSDSPage.do?country=US&language=en&productNumber=214736&brand=ALDRICH&PageToGoToURL=http%3A%2F%2Fwww.sigmaaldrich.com%2Fcatalog%2Fsearch%3Finterface%3DAll%26term%3Dxylene%26N%3D0%26mode%3Dmatch%2520partialmax%26focus%3Dproduct%26lang%3Den%26region%3DUS

http://www.sigmaaldrich.com/MSDS/MSDS/DisplayMSDSPage.do?country=US&language=en&productNumber=650501&brand=SIAL&PageToGoToURL=http%3A%2F%2Fwww.sigmaaldrich.com%2Fcatalog%2Fsearch%3Finterface%3DAll%26term%3Dacetone%26N%3D0%26mode%3Dmatch%2520partialmax%26focus%3Dproduct%26lang%3Den%26region%3DUS

http://www.sigmaaldrich.com/MSDS/MSDS/DisplayMSDSPage.do?country=US&language=en&productNumber=E7023&brand=SIAL&PageToGoToURL=http%3A%2F%2Fwww.sigmaaldrich.com%2Fcatalog%2Fsearch%3Finterface%3DAll%26term%3Dethanol%26N%3D0%26mode%3Dmatch%2520partialmax%26focus%3Dproduct%26lang%3Den%26region%3DUS