Portugal HS CodeHS Code 381111: Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anticorrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils : Antiknock preparations : Based on lead compounds in Portugal
What is HS Code 381111 in Portugal
Under Portugal's Combined Nomenclature / TARIC (Nomenclatura Combinada), HS Code 381111 is the WCO Harmonized System subheading for Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anticorrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils : Antiknock preparations : Based on lead compounds. This is the most detailed internationally standardized level; Portugal extends classifications to 10 digits under its national tariff system. 381111 belongs to Section VI: Products of the chemical or allied industries, Chapter 38: Miscellaneous chemical products, Heading 3811: Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anticorrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils.
Explore more 2026 Latest Portugal import export trade data and shipment records for HS Code Leaded Anti-Knock Additives on TradeInt global trade data platformClassification Path of HS Code 381111 in Portugal
Portugal Tariff Classification: Combined Nomenclature / TARIC (CN / TARIC)
In Portugal, HS 381111 is classified under the Combined Nomenclature / TARIC (Nomenclatura Combinada) — a 10-digit national extension of the WCO 6-digit Harmonized System.
Tariff schedule Combined Nomenclature / TARIC (CN / TARIC)
Local name Nomenclatura Combinada
Digits 10
Official source https://www.portaldasfinancas.gov.pt/
Top Trading Product of HS Code 3811
Top Portugal import Product Under HS Code 3811
1 381190: Other $17.7M2 381121: Additives for lubricating oils : Containing petroleum oils or oils obtained from bituminous minerals $2.2M3 381129: Additives for lubricating oils : Other $587.5KFigures shown for 2025.
For more 2026 recent data, search for Portugal import trade recordsTop Portugal export Product Under HS Code 3811
1 381190: Other $832.8K2 381129: Additives for lubricating oils : Other $446.0K3 381121: Additives for lubricating oils : Containing petroleum oils or oils obtained from bituminous minerals $41.1KFigures shown for 2025.
For more 2026 recent data, search for Portugal export trade recordsRelated HS Code to Portugal Leaded Anti-Knock Additives (381111)
HS Code 3811111000
Anti-knock preparations for motor fuels based on tetraethyl-lead
HS Code 3811119000
Anti-knock preparations for motor fuels based on lead compounds (excl. tetraethyl-lead)
HS Code 381119
Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anticorrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils : Antiknock preparations : Other
HS Code 381121
Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anticorrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils : Additives for lubricating oils : Containing petroleum oils or oils obtained from bituminous minerals
HS Code 381129
Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anticorrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils : Additives for lubricating oils : Other
HS Code 381190
Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anticorrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils : Other
HS Code 380110
Artificial graphite; colloidal or semicolloidal graphite; preparations based on graphite or other carbon in the form of pastes, blocks, plates or other semimanufactures : Artificial graphite
HS Code 380120
Artificial graphite; colloidal or semicolloidal graphite; preparations based on graphite or other carbon in the form of pastes, blocks, plates or other semimanufactures : Colloidal or semicolloidal graphite
HS Code 380130
Artificial graphite; colloidal or semicolloidal graphite; preparations based on graphite or other carbon in the form of pastes, blocks, plates or other semimanufactures : Carbonaceous pastes for electrodes and similar pastes for furnace linings
HS Code 380190
Artificial graphite; colloidal or semicolloidal graphite; preparations based on graphite or other carbon in the form of pastes, blocks, plates or other semimanufactures : Other
Frequently Asked Questions
What is HS code 381111 in Portugal?
HS code 381111 covers Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anticorrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils : Antiknock preparations : Based on lead compounds in Portugal. It sits in Chapter 38 (Miscellaneous chemical products), Heading 3811 of the Harmonized System, and is classified under CN / TARIC.
Is HS code 381111 the same across all countries?
What system does Portugal use to classify HS code 381111?
Where can I officially look up HS code 381111 in Portugal?