In the 50 years of Information Science history at Brazil, a lot of research has been carried out in the field of scientific information being the genesis of CI, contributing to scientific advancement is its journey in the hall of science. The objective of the article was to analyze the scientific production of CI in Brazil in the 50 years of history in the Web of Science (WoS), through a quantitative and qualitative approach, using bibliometric analysis as a method. After data collection, this analysis took place using the VOSvierwer and Gephi software, 207 scientific publications were retrieved from the year 1971 to the year 2021, including scientific articles (original, review and annals). The publications involved 416 authors, 23 countries, 142 institutions, 46 journals and 708 keywords, with 87.27% of the publications concentrated in the last 11 years. The periodical Informação Sociedade Estudos was the scientific journal that most published scientific documents, with 39 of the total. In addition, researchers Bufrem (UNESP) and Martinez-Ávila (ULE-ESP/UNESP) and the institutions UNESP and UFMG were the largest producers of scientific publications. Regarding international collaboration, 12.72% of the works were produced in partnership with various institutions around the world, with Europe being the highlight with 71.46%.