Do harm to nerve and blood vessel and the vapor volatilized under atmospheric is toxic ;

危害神经及血管，在常温下挥发出的蒸汽有毒；

The vapor volatilized by it mixes with air . When the concentration is within the explosive limit , the mixture will explode with the aid of the ignition source with some energy .

介质挥发出来的蒸气与空气混合，其浓度处于爆炸极限范围内时，遇到一定能量的点火源，就会发生爆炸。