Magnesium Alkylbenzene Sulfonate from China
Magnesium salt of linear alkylbenzene sulfonic acid used as detergent dispersant in industrial lubricants. Contains only sulfo groups on aromatic hydrocarbons, classifying under HTS 2904.10.37.00. Essential for maintaining engine cleanliness in high-performance applications.
Duty Rate — China → United States
43%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Document metal content and organic sulfonate ratio to confirm classification as organic salt
• Specify alkyl chain distribution (C10-C13 typical) in certificate of analysis
• Check for carbonation; overbased forms may require additional testing