HS Code 2909.41 : Ether-alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives, 2,2'-Oxydiethanol (Diethylene glycol, Digol)
MODULE 2: EXTRACTABLE ANSWER (AEO / SPEAKABLE)
EN (Official WCO)
FR (Pending)
ES (Pending)
The 6-digit Harmonized System (HS) code for ether-alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives, 2,2'-oxydiethanol (diethylene glycol, digol) is 2909.41. Under the 2026 Singapore (Singapore Customs), the representative MFN general duty rate is 0% [Singapore Customs].
MODULE 3: SIGNATURE A: HS DECODE VISUAL HIERARCHY
Chapter 29
Ethers, ether-alcohols, ether-phenols, ether-alcohol- phenols, alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides (whether or not chemically defined), and their halogenated, sulfonated, nitrated or nitrosated derivatives
Heading 2909
Ethers, ether-alcohols, ether-phenols, ether-alcohol- phenols, alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides (whether or not chemically defined), and their halogenated, sulfonated, nitrated or nitrosated derivatives
Subheading .41
.41
Ether-alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives, 2,2'-Oxydiethanol (Diethylene glycol, Digol)
MODULE 4: SIGNATURE B: TARIFF MATRIX
Import Duty Rates by Destination
United StatesUnited KingdomEuropean UnionCanadaMexicoChinaJapanIndiaAustraliaSouth KoreaGermanyBrazilTürkiyeChinese TaipeiVietnamThailandIndonesiaMalaysiaSingaporeSaudi ArabiaUnited Arab EmiratesSouth AfricaEgyptIsraelChileColombiaPeruPhilippinesPakistanNew ZealandNorwayNigeriaKenyaMoroccoArgentinaEcuadorBangladeshUkraineKazakhstanQatarKuwaitOmanJordan
Singapore (Singapore Customs / Freeport 2026)
2909.41
MODULE 5: SINGAPORE FREEPORT & GST BREAKDOWN
SINGAPORE FREE PORT REGIME
0% customs duty — Singapore is a free port. Standard commercial imports enter customs-duty free, subject only to 9% GST calculated on CIF value.
Notice: Singapore customs clearance, 9% GST assessment, and specific excise duty (liquors, tobacco, petroleum, motor vehicles) are governed by Singapore Customs and IRAS. Verify declarable trade permits at customs.gov.sg prior to import.
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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)
Browse all preferential trade calculators & compliance tools in our Customs Tools Hub ↗.
| Agreement Code | Trade Agreement / Program | Preferential Rate | Rules of Origin (RoO) Requirement |
|---|---|---|---|
| P | United States-Mexico-Canada Agreement (USMCA) | Free | Must meet USMCA Regional Value Content (RVC) or tariff shift rules. |
| KR | U.S.-Korea Free Trade Agreement (KORUS) | Free | Direct shipment from South Korea with KORUS Certificate of Origin. |
| AU | U.S.-Australia Free Trade Agreement | Free | Wholly obtained or tariff shift rule under US-Australia FTA. |
| A / D | GSP / African Growth & Opportunity Act (AGOA) | Free | 35% 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 Ether-alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives, 2,2'-Oxydiethanol (Diethylene glycol, Digol)
MODULE 11: Singapore Customs Advance Tariff Ruling
Legally binding advance classification rulings issued by Singapore Customs for HS 2909.41.
Query official Singapore Customs portal:
Search Official Singapore Customs Portal for 2909.41 →Singapore Declarable Tariff Lines (2909.41)
National line-level (8/10-digit) detail for Singapore (Singapore Customs): coverage in progress.
Universal 6-digit WCO backbone applied rate: 0%. Confirm the full national commodity code at the official source (Singapore Customs).
MODULE 12: Candidate Subheadings & Related Codes
| Related HS Code | Heading Category | Action |
|---|---|---|
| 2909.11 | Subheading under Heading 2909 | Compare Subheading 2909.11 → |
| 2909.19 | Subheading under Heading 2909 | Compare Subheading 2909.19 → |
| 2909.20 | Subheading under Heading 2909 | Compare Subheading 2909.20 → |
| 2909.30 | Subheading under Heading 2909 | Compare Subheading 2909.30 → |
| 2909.43 | Subheading under Heading 2909 | Compare Subheading 2909.43 → |
| 2909.44 | Subheading under Heading 2909 | Compare Subheading 2909.44 → |
| 2909.49 | Subheading under Heading 2909 | Compare Subheading 2909.49 → |
| 2909.50 | Subheading under Heading 2909 | Compare Subheading 2909.50 → |
Official Primary Sources & Authority References
Singapore Customs Official Trade Portal ↗
Official Singapore free port schedule, GST 9% rules, and dutiable goods excise rates.
Singapore Customs Advance Classification Ruling System ↗
Singapore Customs binding advance tariff classification rulings database.
MODULE 14: Frequently Asked Questions (FAQ) & Operational Guide
What is the 6-digit WCO tariff classification and Singapore (Singapore Customs) general duty for Ether-alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives, 2,2'-Oxydiethanol (Diethylene glycol, Digol)?
Under WCO Harmonized System 2022 and Singapore (Singapore Customs), Ether-alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives, 2,2'-Oxydiethanol (Diethylene glycol, Digol) is classified under HS 2909.41 (Heading 2909, Chapter 29). The representative SG MFN general duty rate is 0%.
How is HS 2909.41 distinguished within Heading 2909 (Ethers, ether-alcohols, ether-phenols, ether-alcohol- phenols, alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides (whether or not chemically defined), and their halogenated, sulfonated, nitrated or nitrosated derivatives)?
Heading 2909 covers Ethers, ether-alcohols, ether-phenols, ether-alcohol- phenols, alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides (whether or not chemically defined), and their halogenated, sulfonated, nitrated or nitrosated derivatives. Subheading 2909.41 specifically isolates Ether-alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives, 2,2'-Oxydiethanol (Diethylene glycol, Digol). Importers must verify whether physical characteristics, processing state, or composition require alternative subheadings under Heading 2909.
What are the primary candidate subheadings related to HS 2909.41?
Related subheadings under Heading 2909 include 2909.11, 2909.19, 2909.20, 2909.30, 2909.43, 2909.44, 2909.49, 2909.50. Classification depends on processing stage, decaffeination, purity, or material form.
What mandatory commercial entry documents are required to import Ether-alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives, 2,2'-Oxydiethanol (Diethylene glycol, Digol)?
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 2909.41 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 Ether-alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives, 2,2'-Oxydiethanol (Diethylene glycol, Digol)?
Commercial shipments of Ether-alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives, 2,2'-Oxydiethanol (Diethylene glycol, Digol) 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 2909.41?
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.
Does Singapore levy customs duty on imports of HS 2909.41?
Singapore is a free port and levies 0% ad-valorem customs duty on virtually all goods. However, a 9% Goods and Services Tax (GST) applies to all imports, and specific excise duty applies to alcohol (Ch 22), tobacco (Ch 24), petroleum (Ch 27), and motor vehicles (Ch 87).
What is Singapore's de minimis GST exemption threshold?
Singapore has NO de minimis GST exemption since 2023. All imported goods, including low-value goods (LVG) purchased online, are subject to 9% GST.
Which agency regulates customs entry and GST in Singapore?
Customs permits, 9% GST assessment, and advance tariff classification rulings are administered by Singapore Customs under the Ministry of Finance.
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