Pentasil-structuer zeolithic material the production and use thereof

zeolitic Material of the pentasil type with an alkali and alkaline earth metal content of more than 100 ppm and a molar ratio of Si to Al in the range from 250 to 1500, wherein at least 90% of the primary particle are of the zeolitic material are spherical and 95 wt .-% of the spherical primary particle have a diameter in the range of less than or equal to 1 .mu.m.