CATALYST FOR CATALYTIC CRACKING OF HYDROCARBON OIL AND METHOD FOR CATALYTIC CRACKING OF HYDROCARBON

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A catalyst for the catalytic cracking of a hydrocarbon oil is provided with which it is possible to produce a gasoline fraction with a high octane number in high yield while inhibiting the yield of heavy fractions from increasing, in particular, it is possible to produce LPG with a high propylene content in high yield. The catalyst for the catalytic cracking of a hydrocarbon oil is characterized by comprising a given amount of catalyst granules (A) which comprise a zeolite having a sodalite cage structure, silicon derived from a silica sol, phosphorus and aluminum that are derived from aluminum primary phosphate, a clay mineral, and a rare-earth metal and a given amount of catalyst granules (B) which contain a pentasil type zeolite, the ratio represented by (mass of the phosphorus and aluminum derived from aluminum primary phosphate that constitute the catalyst granules (A))/(mass of the pentasil type zeolite constituting the catalyst granules (B)) being 0.015-3, 000.