HomeChapter 29Heading 29352935.30

HS Code 2935.30 : Sulfonamides, N-Ethyl -N-(2-hydroxyethyl)perfluorooctane sulfonamide

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MODULE 2: EXTRACTABLE ANSWER (AEO / SPEAKABLE)
EN (Official WCO) FR (Pending) ES (Pending)

The 6-digit Harmonized System (HS) code for sulfonamides, n-ethyl -n-(2-hydroxyethyl)perfluorooctane sulfonamide is 2935.30. Under the 2026 Thailand (Thai Customs), the representative MFN general duty rate is 0% [Thai Customs Department].

Chapter
Heading
Subheading
2935.30
TH MFN Duty
0%
MODULE 3: SIGNATURE A: HS DECODE VISUAL HIERARCHY
Chapter 29
Sulfonamides
Heading 2935
Sulfonamides
Subheading .30
.30
N-Ethyl -N-(2-hydroxyethyl)perfluorooctane sulfonamide
Thailand (Thai Customs Tariff 2026)
2935.30.00.00
Thailand MFN Customs Duty (อากรขาเข้า)
0%
Verified July 2026 · Thai Customs

MODULE 5: THAILAND IMPORT DUTY & TAX BREAKDOWN

Customs Duty (อากรขาเข้า)
0%
WTO MFN Rate
Import VAT
7.00 %
CIF + Duty Base
De Minimis Threshold
THB 1,500
CIF Parcel Limit
TRACK THIS HS CODE

Get Real-Time Tariff & Trade Remedy Change Alerts for HS 2935.30

Receive an automated email notification whenever USITC or CBP publishes duty rate adjustments or customs notices for 2935.30.

MODULE 6: Mandatory Customs Entry Document Matrix

Rule-Derived Customs Entry Package Checklist
UNIVERSAL DOCUMENT

Commercial Invoice

Itemized description, currency, Incoterms, seller/buyer details, and country of origin.

UNIVERSAL DOCUMENT

Packing List & Bill of Lading

Gross/net weight, container/seal numbers, piece count, and transport B/L or Air Waybill.

PREFERENTIAL RULE

Certificate of Origin (If Claiming FTA)

Required only when claiming zero-duty preference under USMCA, KORUS, or GSP.

MODULE 7: Regulatory Compliance & Partner Government Agency (PGA) Flags

Standard Entry This commodity does not carry mandatory PGA pre-clearance flags under the ACE message set.

MODULE 8: Trade Remedies (Section 301, Section 232, AD/CVD)

China Section 301 Tariff Status
0% Additional Duty (Exempt)
Section 232 Steel/Aluminum Status
Exempt (Non-Metal Commodity)
EU CBAM Carbon Alert
Not in Scope

MODULE 9: Free Trade Agreements (FTA) & Rules of Origin (RoO)

Agreement Code Trade Agreement / Program Preferential Rate Rules of Origin (RoO) Requirement
PUnited States-Mexico-Canada Agreement (USMCA)FreeMust meet USMCA Regional Value Content (RVC) or tariff shift rules.
KRU.S.-Korea Free Trade Agreement (KORUS)FreeDirect shipment from South Korea with KORUS Certificate of Origin.
AUU.S.-Australia Free Trade AgreementFreeWholly obtained or tariff shift rule under US-Australia FTA.
A / DGSP / African Growth & Opportunity Act (AGOA)Free35% local value-add requirement for beneficiary country origin.

MODULE 10: Logistics, Freight & Transport Specifications

Standard 20ft Container
~28 CBM / 28,000 kg Payload
Standard 40ft High-Cube
~68 CBM / 28,600 kg Payload
Stowage Factor & Handling
Standard commercial packaging for Sulfonamides, N-Ethyl -N-(2-hydroxyethyl)perfluorooctane sulfonamide

MODULE 11: Thai Customs Advance Tariff Ruling

Legally binding advance classification rulings issued by Thai Customs Department for HS 2935.30.

Query official Thai Customs portal:

Search Official Thai Customs Portal for 2935.30 →

Thailand Declarable Tariff Items (2935.30)

National line-level (8/10-digit) detail for Thailand (Thai Customs): coverage in progress.

Universal 6-digit WCO backbone applied rate: 0%. Confirm the full national commodity code at the official source (Thai Customs Department).

MODULE 12: Candidate Subheadings & Related Codes

Related HS Code Heading Category Action
2935.10 Subheading under Heading 2935 Compare Subheading 2935.10 →
2935.20 Subheading under Heading 2935 Compare Subheading 2935.20 →
2935.40 Subheading under Heading 2935 Compare Subheading 2935.40 →
2935.50 Subheading under Heading 2935 Compare Subheading 2935.50 →
2935.90 Subheading under Heading 2935 Compare Subheading 2935.90 →

Official Primary Sources & Authority References

Thai Customs Department ↗

Official Thai customs tariff schedule and general duty (อากรขาเข้า) rates.

Thai Customs Advance Tariff Ruling System ↗

Thai Customs Department binding advance tariff classification rulings database.

MODULE 14: Frequently Asked Questions (FAQ) & Operational Guide

What is the 6-digit WCO tariff classification and Thailand (Thai Customs) general duty for Sulfonamides, N-Ethyl -N-(2-hydroxyethyl)perfluorooctane sulfonamide?
Under WCO Harmonized System 2022 and Thailand (Thai Customs), Sulfonamides, N-Ethyl -N-(2-hydroxyethyl)perfluorooctane sulfonamide is classified under HS 2935.30 (Heading 2935, Chapter 29). The representative TH MFN general duty rate is 0%.
How is HS 2935.30 distinguished within Heading 2935 (Sulfonamides)?
Heading 2935 covers Sulfonamides. Subheading 2935.30 specifically isolates N-Ethyl -N-(2-hydroxyethyl)perfluorooctane sulfonamide. Importers must verify whether physical characteristics, processing state, or composition require alternative subheadings under Heading 2935.
What are the primary candidate subheadings related to HS 2935.30?
Related subheadings under Heading 2935 include 2935.10, 2935.20, 2935.40, 2935.50, 2935.90. Classification depends on processing stage, decaffeination, purity, or material form.
What mandatory commercial entry documents are required to import Sulfonamides, N-Ethyl -N-(2-hydroxyethyl)perfluorooctane sulfonamide?
Commercial Invoice (detailing Incoterms, currency, and origin), Packing List, Bill of Lading (or Air Waybill), CBP Form 7501 Entry Summary, and a continuous customs bond are required for formal entries.
Can goods under HS 2935.30 enter duty-free under USMCA or Free Trade Agreements?
Yes. Eligible goods originating in Mexico, Canada, South Korea, or Australia enter duty-free under preference SPI codes (P, KR, AU) provided they satisfy Regional Value Content (RVC) or tariff-shift rules with a valid Certificate of Origin.
What is the US formal entry threshold for shipments of Sulfonamides, N-Ethyl -N-(2-hydroxyethyl)perfluorooctane sulfonamide?
Commercial shipments of Sulfonamides, N-Ethyl -N-(2-hydroxyethyl)perfluorooctane sulfonamide with a customs value exceeding $2,500 USD require formal customs entry (CBP Form 7501) and a continuous entry bond. Informal entry applies to lower values.
How can an importer obtain a binding CBP classification ruling for HS 2935.30?
Importers may submit an e-Ruling request under 19 CFR Part 177 to CBP National Commodity Specialist Division (NCSD) to obtain a legally binding tariff classification ruling prior to importation.
What is the import VAT rate for HS 2935.30 in Thailand?
Thailand assesses a standard 7% Value-Added Tax (VAT) on imports, calculated on CIF value + statutory customs duty (อากรขาเข้า).
What is Thailand's de minimis duty-free threshold?
Thailand's de minimis threshold for express parcel imports is THB 1,500 total CIF value. Consignments under this threshold enter duty-free and tax-free.
Which agency regulates customs clearance and advance rulings in Thailand?
Customs declarations and binding advance tariff classification rulings are administered by the Thai Customs Department.
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