From the 1930s through the 1990s, the United States Tariff Commission published an annual report called Synthetic Organic Chemicals, United States Production and Sales. Many of these are now available in the HathiTrust Digital Library.
The following years are available in Stauffer Library.
1938, 1939, 1940, 1941-1943, 1944, 1945, 1953, 1964, 1965, 1966, 1967, 1968, 1969, 1970,