2,4-Diaminotoluene Sulfate from United States
2,4-Diaminotoluene sulfate is a salt of diaminotoluene, an aromatic polyamine, used as an intermediate and stabilizer in photographic chemical formulations, particularly for dye developers. As a chemically defined organic compound with an added sulfate group, it falls under tariff item 2921.51.00, which covers o-, m-, p-phenylenediamine, diaminotoluenes, and their derivatives and salts.
Duty Rate — United States → Canada
Import Tips
• Ensure the product is a separate chemically defined compound and not mixed with other substances, as Chapter 29 covers only pure compounds or specific mixtures
• Provide a safety data sheet (SDS) to the CBSA if the product is classified as hazardous for transport
• Verify if the product requires a permit under the Chemicals Management Plan (CMP) before importation