Every year US importers file over 15,000 entries of SDIC and TCCA at ports like Los Angeles, Long Beach, Houston, and Savannah. About 8% of shipments are held, fined, or destroyed due to compliance failures. This guide covers the six regulatory pillars you must satisfy.

1. EPA FIFRA Registration (The Big One)

Under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), SDIC and TCCA are classified as antimicrobial pesticides. You cannot legally sell them in the USA without:

• EPA Establishment Number — your import facility must be registered
• EPA Registration Number — the specific product formulation must be registered
• Approved label — every drum/bottle/box must display the approved label with EPA Reg No.
• Sub-registrant vs Producer — you can be a sub-registrant of an existing registered product (faster) or file your own PRIA (slower, US$5,000-20,000 fees + 12-18 months)

Shortcut: most importers become “distributors” of already-registered TCCA/SDIC brands (e.g., Occidental Chemical, Nissan Chemical, Novum Alva). This bypasses your own registration but limits you to those brands.

2. DOT Hazmat Classification

Required documents: Bill of Lading with hazmat description, Shipper’s Declaration for Dangerous Goods, MSDS in English (16-section GHS format).

3. HTS Codes for Customs

Section 301 tariff (China origin): currently 25% additional on top of MFN rate. Total effective duty on TCCA from China ~28.7%. This is what drove US importers to alternative sources (India, Malaysia) but Chinese supply still 60% cheaper before duty.

4. Anti-Dumping Duties

Under US-China anti-dumping order A-570-898 (2004), Chinese TCCA can face additional duties:

• Standard rate for cooperative Chinese producers: 4.72%
• Country-wide rate for non-cooperative: 285.63%
• Applies to TCCA specifically, not SDIC
• Reviewed annually — check current rate before ordering

Practical outcome: Chinese TCCA still competitive after 4.72% AD, but total landed cost = FOB × 1.038 (freight) × 1.037 (duty) × 1.25 (Section 301) × 1.047 (AD) = ~40% markup over FOB China.

5. State-Level Registration

Beyond federal EPA, some states require additional registration:

• California: CalEPA DPR registration + Prop 65 warning labels
• New York: DEC pesticide registration
• Florida: FDACS pool chemical certification
• Massachusetts: MDPH environmental compliance
• Oregon, Washington: similar state pesticide programs

State fees range from US$100-500 per product per state per year.

6. Container / Packaging Requirements

• UN-approved packaging: 1H2 (drum) or 5H4 (bag) — display UN mark on container
• Retail bottles/jars: must have child-resistant caps (16 CFR 1700.15) if consumer-market
• Labeling: EPA-approved label including signal word (DANGER for TCCA, WARNING for diluted SDIC), first aid, precautionary statements, storage/disposal, EPA Reg No, EPA Est No, net weight, ingredient statement
• Prop 65 warning for California distribution

7. Customs Clearance Process

1. Broker files entry via ACE Portal
2. Customs assigns to specific team based on HTS + origin
3. Documents reviewed: BOL, packing list, commercial invoice, MSDS, EPA registration proof
4. May require Customs exam (~10% of shipments)
5. Duties + AD + Section 301 assessed and paid via bond or wire
6. Release order issued → cargo picked up from bonded warehouse

Typical clearance time: 2-5 business days if documentation complete. 2-4 weeks if exam or discrepancy.

8. Common Clearance Failures

• Missing EPA Establishment Number on invoice/packing list
• MSDS in Chinese only (must include English)
• Label lacks EPA Reg No or has wrong version
• UN packaging code missing on drum surface
• Hazmat placard on truck missing after transloading from port
• Bill of Lading missing “Dangerous Goods” declaration
• HTS code understated (declared 2827 salt instead of 2933 chlorinated organic)

9. FAQ

Q: How long to get EPA registration for a new SDIC formulation?
A: Full FIFRA registration: 18-24 months, US$5,000-25,000 fees. Sub-registration of existing formulation: 30-60 days, US$1,000-3,000.

Q: Can I sell imported TCCA on Amazon without EPA registration?
A: No. Amazon Marketplace policy requires EPA registration for antimicrobial products. Selling unregistered = account termination + potential EPA enforcement action.

Q: What is the total landed cost for 1 container of TCCA to Los Angeles?
A: 20 tons × US$1.35/kg FOB = US$27,000 + US$3,500 freight + US$8,100 duty/AD/301 + US$1,200 broker/handling = US$39,800 total landed = US$1.99/kg landed cost.

US-Compliant TCCA/SDIC Supply

Shilan Chemical supports US importers with FIFRA-ready COAs, EPA-compliant labeling artwork, and cooperation with your customs broker. Read our DGR handbook for shipping details, or request a US-specific quote.