Safwan is known as one of famous jurisprudents of his time. He wrote about thirty books[7] including the books of Wudu, Prayer, Fasting, the Hajj, Zakat, Marriage, Divorce, Obligations, Recommendations, Buying and Selling, Setting slaves free and Management, Good tidings and others. He dies in 210 AH in Medina and was buried in Al-Baqi'.[8]