HS Code 2918.13 : Carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives, Salts and esters of tartaric acid
The 6-digit Harmonized System (HS) code for carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives, salts and esters of tartaric acid is 2918.13. Under the 2026 United Kingdom (UKGT), the representative MFN general duty rate is 6.00 % [HMRC Trade Tariff 2026].
Import Duty Rates by Destination
MODULE 5: UK IMPORT DUTY & VAT BREAKDOWN
Get Real-Time Tariff & Trade Remedy Change Alerts for HS 2918.13
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MODULE 6: Mandatory Customs Entry Document Matrix
Commercial Invoice
Itemized description, currency, Incoterms, seller/buyer details, and country of origin.
Packing List & Bill of Lading
Gross/net weight, container/seal numbers, piece count, and transport B/L or Air Waybill.
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
MODULE 8: UK Trade Remedies (TRA) & Safeguards
MODULE 9: Free Trade Agreements (FTA) & Rules of Origin (RoO)
| Agreement Code | Trade Agreement / Program | Preferential Rate | Rules of Origin (RoO) Requirement |
|---|---|---|---|
| TCA | UK-EU Trade and Cooperation Agreement | Free | Must satisfy UK-EU Statement on Origin and product-specific rules. |
| AUS | UK-Australia Free Trade Agreement | Free | Direct origin proof or tariff shift requirement. |
| CPTPP | Comprehensive and Progressive Agreement for Trans-Pacific Partnership | Free | CPTPP Certificate of Origin and regional value content rule. |
MODULE 10: Logistics, Freight & Transport Specifications
MODULE 11: UK Advanced Tariff Rulings (ATaR)
Legally binding classification rulings issued by HM Revenue & Customs (HMRC) for HS 2918.13.
Query the official HMRC Advanced Tariff Rulings (ATaR) database:
Search HMRC Trade Tariff Database for 2918.13 →UKGT Declarable Commodity Lines (2918.13)
| HTS Code | Description | General Rate | Special (FTA) Rate | Column 2 Rate | Unit |
|---|---|---|---|---|---|
| 2918.13 | Carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives, Salts and esters of tartaric acid | Free | Free | Rate on request | — |
| 2918.13.10.00 | Carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives, Salts and esters of tartaric acid, Potassium antimony tartrate (Tartar emetic) | Free | Free | 4% | kg |
| 2918.13.20.00 | Carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives, Salts and esters of tartaric acid, Potassium bitartrate (Cream of tartar) | Free | Free | 11% | kg |
| 2918.13.30.00 | Carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives, Salts and esters of tartaric acid, Potassium sodium tartrate (Rochelle salts) | Free | Free | 11.5% | kg |
| 2918.13.50.00 | Carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives, Salts and esters of tartaric acid, Other | 4.4% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 25% | kg |
MODULE 12: Candidate Subheadings & Related Codes
| Related HS Code | Heading Category | Action |
|---|---|---|
| 2918.11 | Subheading under Heading 2918 | Compare Subheading 2918.11 → |
| 2918.12 | Subheading under Heading 2918 | Compare Subheading 2918.12 → |
| 2918.14 | Subheading under Heading 2918 | Compare Subheading 2918.14 → |
| 2918.15 | Subheading under Heading 2918 | Compare Subheading 2918.15 → |
| 2918.16 | Subheading under Heading 2918 | Compare Subheading 2918.16 → |
| 2918.17 | Subheading under Heading 2918 | Compare Subheading 2918.17 → |
| 2918.18 | Subheading under Heading 2918 | Compare Subheading 2918.18 → |
| 2918.19 | Subheading under Heading 2918 | Compare Subheading 2918.19 → |
Official Primary Sources & Authority References
HMRC Trade Tariff Service (UKGT 2026) ↗
Official UK 10-digit commodity codes and UKGT MFN duty rates.
HM Revenue & Customs (HMRC) Customs Declarations ↗
UK customs entry guidance and CDS procedures.