CRB Commodity Yearbook
On CD-ROM and in print at Dewey, 1994-present
Among the dozens of commodities tracked are prices and price indices for plastics, fuels (including ethanol and gasoline), and fertilizer nutrients.
Chemical & Engineering News
A special “Facts & Figures” issue is published each July
Also, try a literature search in these databases for news and trade articles about chemical prices:
Other library guides for finding chemical prices: