Chapter 38 · Miscellaneous chemical products · Section 6
HS Code 3812.39
Other
Heading 3812: Prepared rubber accelerators; compound plasticizers for rubber or plastics, not elsewhere specified or included; antioxidizing preparations and other compound stabilizers for rubber or plastics
US duty (general)
Free - 6.5%
US HTS lines
5
EU CN codes
3
UK commodity codes
20
Unit
kg
US HTS + UK Tariff v4.0.1633 · updated 2026-10-21 · sources
Rates on this page are the official published schedule rates, shown for information. This is not a customs ruling: preference programs, Section 232/301 surcharges and per-shipment fees can change what you actually pay.
United States - HTS lines under 3812.39
Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.
| HTS code | Description | General | Special | Other | Unit |
|---|---|---|---|---|---|
| 3812.39.20 |
Other > Containing any aromatic or modified aromatic antioxidant or other stabilizer > Mixtures of N,N'-diaryl-p-phenylenediamines |
6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 3.7¢/kg + 60% | kg |
| 3812.39.30 |
Other > Containing any aromatic or modified aromatic antioxidant or other stabilizer > Master batches of poly[nitrilomethanetetraaryl- nitrilo[2,4,6- tris(1-methylethyl)-1,3- phenylene]]-2,6-bis(1-methylethyl)phenyl]-ω- [[[[2,6-bis(1-methylethyl)phenyl]amino]- methylene]amino]carbodiimide or 2,4-diisocyanate-1,3,5-tris(1-methylethyl)- benzene homopolymer with polyethylene, polyethylene terephthalate, or thermoplastic polyurethanes;Master batches of 3-(2H-benzotriazol-2-yl)-5- (tert-butyl)-4-hydroxybenzenepropanoic acid, C7-C9 branched or linear alkyl esters; andMaster batches of α-[3-[3-(2H-benzotriazol-2- yl)-5-(1,1-dimethylethyl)-4-hydroxyphenyl]-1- oxopropyl-ω-[3-[3-(2H-benzotriazol-2-yl)-5- (1,1-dimethylethyl)-4-hydroxyphenyl]-1-oxo- propyl] poly(oxyethylene) |
Free | - | 3.7¢/kg + 60% | kg |
| 3812.39.60 |
Other > Containing any aromatic or modified aromatic antioxidant or other stabilizer > Other |
6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 3.7¢/kg + 60% | kg |
| 3812.39.70 |
Other > Other > Bis(1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate |
Free | - | 25% | kg |
| 3812.39.90 |
Other > Other > Other |
5% | Free (A+,AU,BH,CL,CO,D, E,IL, JO,KR,MA,OM,P, PA,PE,S,SG) | 25% | kg |
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Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.
European Union - CN codes under 3812.39
Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.
| CN code | Description | |
|---|---|---|
| 3812 39 10 | Anti-oxidising preparations | EU duty (TARIC) → |
| 3812 39 90 | Other | EU duty (TARIC) → |
| 3812 39 00 | Other | EU duty (TARIC) → |
United Kingdom - commodity codes under 3812.39
Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.
| Commodity code | Description | |
|---|---|---|
| 3812 39 00 00 | Other | UK duty & VAT → |
| 3812 39 10 00 | Anti-oxidising preparations | UK duty & VAT → |
| 3812 39 90 00 | Other | UK duty & VAT → |
| 3812 39 90 23 | UV stabilizer, containing by weight: -more than 97 % but not more than 99,8 % of bis(2,4-dicumylphenyl)pentaerythritol diphosphite (CAS RN 154862-43-8) and -more than 0,2 % but not more than 2 % of triisopropanolamine (CAS RN 122-20-3) | UK duty & VAT → |
| 3812 39 90 25 | UV photo stabiliser containing:<br> <br><br><br>- α-[3-[3-(2H-Benzotriazol-2-yl)-5-(1,1-dimethylethyl)-4-hydroxyphenyl]-1-oxopropyl]-ω-hydroxypoly(oxy-1,2-ethanediyl) (CAS RN 104810-48-2); <br> <br><br><br>- α-[3-[3-(2H-Benzotriazol-2-yl)-5-(1,1-dimethylethyl)-4-hydroxyphenyl]-1-oxopropyl]-ω-[3-[3-(2H-benzotriazol-2-yl)-5-(1,1-dimethylethyl)-4-hydroxyphenyl]-1-oxopropoxy]poly (oxy-1,2-ethanediyl) (CAS RN 104810-47-1); <br> <br><br><br>- polyethylene glycol of a weight average molecular weight (Mw) of 300 (CAS RN 25322-68-3)<br> <br><br><br>- bis (1,2,2,6,6-pentamethyl-4-piperidyl)sebacate (CAS RN 41556-26-7), and<br> <br><br><br>- methyl-1,2,2,6,6-pentamethyl-4- piperidyl sebacate (CAS RN 82919-37-7)<br> | UK duty & VAT → |
| 3812 39 90 28 | UV stabilizer based on a mixture of -reaction mass of Poly(oxy-1,2-ethanediyl), .alpha.-[3-[3-(2H-benzotriazol-2-yl)-5-(1,1-dimethylethyl)-4-hydroxyphenyl]-1-oxopropyl]-.omega.-hydroxy- and Poly(oxy-1,2-ethanediyl), .alpha.-[3-[3-(2H-benzotriazol-2-yl)-5-(1,1-dimethylethyl)-4-hydroxyphenyl]-1-oxopropyl]-.omega.-[3-[3-(2H-benzotriazol-2-yl)-5-(1,1-dimethylethyl)-4-hydroxyphenyl]-1- oxopropoxy] (EC number 400-830-7) with a purity by weight of 60 % or more, but not more than 80 %, and -reaction mass of bis(1,2,2,6,6-pentamethyl-4-piperidyl) sebacate and methyl 1,2,2,6,6-pentamethyl-4-piperidyl sebacate (CAS RN 1065336-91-5) with a purity by weight of 25 % or more, but not more than 40 % | UK duty & VAT → |
| 3812 39 90 33 | UV stabilizer based on: -a mixture of branched and linear C7-C9 alkyl 3-[3-(2H-benzotriazol-2-yl)-5-(1,1-dimethylethyl)-4-hydroxyphenyl]propionates (CAS RN 127519-17-9) with a content by weight of 40 % or more, but not more than 60 %, and -a mixture of: bis(2,2,6,6-tetramethyl-1-octyloxypiperidin-4-yl)-1,10-decanedioate and 1,8-bis[(2,2,6,6-tetramethyl-4-((2,2,6,6-tetramethyl-1-octyloxypiperidin-4-yl)-decan-1,10-dioyl)piperidin-1-yl)oxy]octane (CAS RN 129757-67-1) with a content by weight of 40 % or more, but not more than 60 % | UK duty & VAT → |
| 3812 39 90 35 | Mixture containing by weight:<br> <br><br><br>- 25 % or more but not more than 55 % of a mixture of C15-18 tetramethylpiperidinyl esters (CAS RN 86403-32-9)<br> <br><br><br>- not more than 20 % of other organic compounds<br> <br><br><br>- on a carrier of polypropylene (CAS RN 9003-07-0) or amorphous silica (CAS RN 7631-86-9 or 112926-00-8)<br> | UK duty & VAT → |
| 3812 39 90 38 | UV stabiliser containing by weight: -75 % or more but not more than 95 % of the reaction product of 2-(4,6-bis(2,4-dimethylphenyl)-1,3,5-triazin-2-yl)-5-hydroxyphenol with ((C10-16, rich in C12-13 alkyloxy) methyl) oxyrane -5 % or more but not more than 25 % of 1-methoxy-2-propanol (CAS RN 107-98-2) | UK duty & VAT → |
| 3812 39 90 40 | Mixture of:<br> <br><br><br>- 80 % (± 10 %) by weight of 2-ethylhexyl 10-ethyl-4,4-dimethyl-7-oxo-8-oxa-3,5-dithia-4-stannatetradecanoate (CAS RN 57583-35-4), and<br> <br><br><br>- 20 % (± 10 %) by weight of 2-ethylhexyl 10-ethyl-4-[[2-[(2-ethylhexyl)oxy]-2-oxoethyl]thio]-4-methyl-7-oxo-8-oxa-3,5-dithia-4-stannatetradecanoate (CAS RN 57583-34-3)<br> | UK duty & VAT → |
| 3812 39 90 43 | Reaction mass containing by weight: -more than 45 % but not more than 49 % of Octyl 3-[3-tert-butyl-4-hydroxy-5-(5-chloro-2H-benzotriazol-2-yl)phenyl]propionate (CAS RN 83044-89-7), and -more than 49 % but not more than 53 % of 2-Ethylhexyl 3-[3-tert-butyl-4-hydroxy-5-(5-chloro-2H-benzotriazol-2-yl) phenyl]propionate (CAS RN 83044-90-0) | UK duty & VAT → |
| 3812 39 90 45 | 2-Aminoethanol reaction products with cyclohexane and peroxidized N-butyl-2,2,6,6-tetramethyl-4-piperidinamine-2,4,6-trichloro-1,3,5-triazine reaction products (CAS RN 191743-75-6) with a purity by weight of 99 % or more | UK duty & VAT → |
| 3812 39 90 48 | UV stabilizer (CAS RN 129757-67-1), reaction mass containing by weight 97 % or more of: -bis[2,2,6,6-tetramethyl-1-(octyloxy)piperidin-4-yl] decanedioate, and -1,1'-bis[2,2,6,6-tetramethyl-1-(octyloxy)piperidin-4-yl] 10,10'-{octane-1,8-diylbis[oxy(2,2,6,6- tetramethylpiperidine-1,4-diyl)]} didecanedioate | UK duty & VAT → |
| 3812 39 90 50 | Reaction mass of 2-ethylhexyl 10-ethyl-4,4-dioctyl-7-oxo- 8-oxa-3,5-dithia-4-stannatetradecanoate and 2-ethylhexyl 10-ethyl-4-[[2-[(2-ethylhexyl)oxy]-2-oxoethyl]thio]-4-octyl- 7-oxo-8-oxa-3,5-dithia-4-stannatetradecanoate (reaction mass of DOTE and MOTE) | UK duty & VAT → |
| 3812 39 90 53 | Light stabilizer, containing by weight more than 90 % of reaction products of stearate methyl ester with 1-(2-hydroxy-2-methylpropoxy)-2,2,6,6-tetramethyl-4-piperidinol (CAS RN 300711-92-6) | UK duty & VAT → |
| 3812 39 90 55 | UV stabilizer, containing: - 2-(4,6-bis(2,4-dimethylphenyl)-1,3,5-triazin-2-yl)-5-(octyloxy)-phenol (CAS RN 2725-22-6) and - either N,N'-bis(1,2,2,6,6-pentamethyl-4-piperidinyl)-1,6-hexanediamine, polymer with 2,4- dichloro-6-(4-morpholinyl)-1,3,5-triazine (CAS RN 193098-40-7) or - N,N'-bis(2,2,6,6-tetramethyl-4-piperidinyl)-1,6-hexanediamine, polymer with 2,4- dichloro-6-(4-morpholinyl)-1,3,5-triazine (CAS RN 82451-48-7) | UK duty & VAT → |
| 3812 39 90 65 | Stabiliser for plastic material containing: <br> <br><br><br>- 2-ethylhexyl 10-ethyl-4,4-dimethyl-7-oxo-8-oxa-3,5-dithia-4-stannatetradecanoate (CAS RN 57583-35-4), <br> <br><br><br>- 2-ethylhexyl 10-ethyl-4-[[2-[(2-ethylhexyl)oxy]-2-oxoethyl]thio]-4-methyl-7-oxo-8-oxa-3,5-dithia-4-stannatetradecanoate (CAS RN 57583-34-3), and <br> <br><br><br>- 2-ethylhexyl mercaptoacetate (CAS RN 7659-86-1) | UK duty & VAT → |
| 3812 39 90 75 | UV stabilizer containing a mixture of: - branched and linear C7 to C9 alkyl esters of [3-(2H-benzotriazol-2-yl)-5-(1,1-dimethylethyl)-4-hydroxy]-1-phenylpropanoic acid (CAS RN 127519-17-9 ) with a content by weight of 85% or more, and - 2-Methoxy-1-methylethyl acetate (CAS RN 108-65-6) with a content by weight of not more than 8%. | UK duty & VAT → |
| 3812 39 90 80 | UV-stabilizer, consisting of:<br> <br><br><br>- a hindered amine: N,N'-bis(1,2,2,6,6-pentamethyl-4-piperidinyl)-1,6-hexanediamine, polymer with 2,4- dichloro-6-(4-morpholinyl)-1,3,5-triazine (CAS RN 193098-40-7) and<br> <br><br><br>- either an o-hydroxyphenyl triazine UV light absorber or<br> <br><br><br>- a chemically modified phenolic compound<br> | UK duty & VAT → |
| 3812 39 90 90 | Other | UK duty & VAT → |
Not a customs ruling. Classification is determined by the importing country's customs authority and depends on the exact product. This page is reference information from official published schedules, not legal advice. For a binding decision, request a ruling (US: CBP CROSS · UK: HMRC ATaR · EU: BTI).
Nearby codes in heading 3812
The subheadings immediately before and after 3812.39 in chapter 38.
3812.10 Prepared rubber accelerators
3812.20 Compound plasticizers for rubber or plastics
3812.31 Mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ)
Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.
Frequently asked questions
Common questions about HS code 3812.39.
What is HS code 3812.39?
HS code 3812.39 covers: Other. It belongs to chapter 38 (Miscellaneous chemical products) of the Harmonized System.
What is the US import duty for HS code 3812.39?
The US general (normal trade relations) rates under this subheading range: Free - 6.5%. Preference programs and Section 232/301 surcharges can change the effective rate; see the HTS lines for detail.
What is the UK commodity code for 3812.39?
The UK extends 3812.39 to 20 declarable 10-digit commodity codes, starting with 3812390000. The full code goes on the UK customs declaration.