Media toxicity classification
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In the \"Standard for Classification of Toxicity Hazards and Explosion Risks of Chemical Media in Pressure Vessels\" (HG/T20660-2017), there is no specified toxicity classification for 1,3-cyclopentadiene; however, its CAS number indicates that it is highly toxic. Therefore, during the design process, should this substance be treated as highly toxic or non-toxic?
For those not specified in the \"Classification Standards for Toxicity Hazards and Explosion Risks of Chemical Media in Pressure Vessels\", refer to GBZ230-2010
Calculate THI by yourself; information on those sensitizing effects, their impact on reproduction, as well as data regarding acute oral and acute dermal exposure are not available
For properties that cannot be determined, I usually choose them very carefully; therefore, the values calculated in accordance with GBZ230 are quite high
“In the “Catalog of Hazardous Chemicals 2022”, 542-92-7,