4-Sulfobenzophenone from Japan
4-Sulfobenzophenone features a sulfonic acid group substitution on the benzophenone structure. It is applied in water-soluble photoinitiators. As a sulfonated aromatic ketone derivative, it falls under the sulphonated derivatives of ketones and quinones.
Duty Rate — Japan → Canada
0%
Import Tips
• Provide a Certificate of Analysis confirming the sulfonic acid group and purity
• If used in photoinitiators, ensure compliance with Canadian chemical regulations
• Check if the product is subject to the New Substances Notification Regulations if it is not on the DSL