United States - Producer Price Index by Commodity: Chemicals and Allied Products: Rock Salt was 429.60900 Index Dec 1984=100 in February of 2024, according to the United States Federal Reserve. Historically, United States - Producer Price Index by Commodity: Chemicals and Allied Products: Rock Salt reached a record high of 429.60900 in February of 2024 and a record low of 99.20000 in July of 1986. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Producer Price Index by Commodity: Chemicals and Allied Products: Rock Salt - last updated from the United States Federal Reserve on April of 2024.