Trichloroisocyanuric Acid Tablets (Trichlor)

Trichloroisocyanuric acid tablets, commonly known as trichlor tablets, are pressed forms of this triazine compound used for sustained chlorine release in swimming pools and spas. Classified under HTS 2933.69.60.15 due to its explicit naming as trichloroisocyanuric acid, a pesticide for algae and bacteria control in recreational water. The tablets dissolve slowly, providing long-lasting sanitization.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.5%+7.5%11%
🇲🇽Mexico3.5%3.5%
🇨🇦Canada3.5%3.5%
🇩🇪Germany3.5%3.5%
🇯🇵Japan3.5%3.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2933.69.60Same rate: 11%

If in granular form rather than tablets for non-pesticide applications

Different physical forms of the same compound without pesticide labeling fall under other triazine categories.

3808.94.50Higher: 30% vs 11%

If sold as consumer pool shock treatment with added stabilizers

Retail-packaged disinfectants with >50% active ingredient are classified as goods in Chapter 38, not pure chemicals.

2929.90Higher: 16.5% vs 11%

If considered a nitrogen-heterocyclic compound without specific triazine pesticide designation

Broader nitrogen compound heading applies if documentation emphasizes chemical structure over pesticidal use.

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Import Tips & Compliance

Tablets must meet EPA pesticide registration; include product label and MSDS showing 90%+ trichlor content

Declare tablet weight and dimensions accurately as they affect duty calculation; watch for anti-dumping duties from certain origins

Common error is classifying as finished pool product—ensure documentation proves pure active ingredient form

Related Products under HTS 2933.69.60.15

Sodium Dichloroisocyanurate Dihydrate Granules

Sodium dichloroisocyanurate dihydrate granules are a stabilized chlorine compound used primarily as a disinfectant and biocide in water treatment and pool sanitation. This product falls under HTS 2933.69.60.15 as it is specifically named as sodium dichloroisocyanurate, a heterocyclic compound with a triazine ring structure classified as a pesticide for its antimicrobial properties. It releases hypochlorous acid upon dissolution for effective pathogen control.

Sodium Dichloroisocyanurate Anhydrous Powder

Anhydrous sodium dichloroisocyanurate powder is the pure, water-free form used in industrial disinfection, bleaching, and as a sanitizing agent in food processing. It qualifies for HTS 2933.69.60.15 as sodium dichloroisocyanurate explicitly listed under triazine pesticides for its biocidal properties. The powder form allows for easy dissolution in various applications.

Sodium Dichloro Granular Pesticide

Sodium dichloro granular pesticide is used in agricultural water treatment and surface disinfection in farming operations. Falls under HTS 2933.69.60.15 as the specifically named sodium dichloroisocyanurate, a triazine heterocycle functioning as a broad-spectrum biocide. Provides effective control against waterborne pathogens.

Multi-Chlor S Trichloroisocyanuric Acid Granules

Multi-Chlor S brand trichloroisocyanuric acid granules are stabilized chlorine granules for shock treatment in pools and hot tubs. This product is classified under HTS 2933.69.60.15 as trichloroisocyanuric acid, a triazine-based pesticide providing rapid oxidation and sanitization. The granular form ensures even dispersion in water systems.