TURPINALĀ® 4NP is a high purity tetrasodium etidronate powder. The TURPINALĀ® series has been developed for the personal care industry in order to answer the need for high purity chemicals with strong chelation properties. The trace metal content in TURPINALĀ® 4NP is carefully monitored in order to provide a high purity product that meets the stricter standards of the personal care product industry.