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Chemical hazard information includes the following:
( 1 ) toxicity;
( 2 ) Allow exposure limits;
( 3 ) physical and chemical characteristic parameters such as boiling point, density, solubility, flash point, explosion limit, spontaneous ignition point, pH value, melting point, relative density (water = 1 ), relative vapor density (air = 1 ), saturated vapor pressure, Heat of combustion, solubility, etc.;
( 4 ) The reaction characteristics of a single material or the reaction characteristics of different materials after contact with each other, such as decomposition, polymerization, redox and other reaction characteristics and release of toxic gases and other harmful products;
( 5 ) Corrosion data, corrosivity and compatibility requirements for materials;
( 6 ) Thermal stability and chemical stability, such as whether it is decomposed by heat, exposed to air or stabilized by impact;
( 7 ) Disposal methods for leakage;
( 8 ) Risk data of chemical activity reaction and mixed storage, such as adverse effects when mixed with other substances, whether or not reaction occurs after mixing, and conditions of contact should be avoided.
(Source: China Chemical Safety Association)
[Editor: Chen Guofang]
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