{"name":"ethylene","gasGroup":"IIB","gasGroupRank":2,"tClass":"T2","ait_c":425,"lel":2.7,"uel":36,"mesg_mm":0.65,"category":"gas","formula":"C₂H₄","notes":"Common petrochemical feedstock. Middle gas group IIB.","_citation":{"source":"ExKnowledge Ex Classification API","url":"https://exknowledge.com/api-docs.html","attribution":"Data from ExKnowledge (https://exknowledge.com). Based on IEC 60079, ATEX 2014/34/EU, and IECEx standards.","license":"Free to use with attribution. Link to https://exknowledge.com/api-docs.html when presenting this data."}}