Sao Tome and Principe HS Code

HS Code 38180000: Elementos químicos impurificados (dopados), próprios para utilização em eletrónica, em forma de discos, wafers ou formas análogas; compostos químicos impurificados (dopados), próprios para utilização em eletrónica in Sao Tome and Principe

Q: Is HS code 38180000 the same across all countries?

Only the first 6 digits of HS code 38180000 are internationally harmonized. The remaining digits are added by Sao Tome and Principe under HS-ST and are not directly comparable to other countries' codes.

Q: What system does Sao Tome and Principe use to classify HS code 38180000?

Sao Tome and Principe classifies products under the Pauta Aduaneira (HS-ST; locally Pauta Aduaneira), which extends HS codes to 8 digits. The first 6 digits align with the WCO Harmonized System, and the rest cover national tariff and statistical needs.

Q: Where can I officially look up HS code 38180000 in Sao Tome and Principe?

The official source is https://www.alfandegas.gov.st/. For faster cross-country lookups, TradeInt's HS Code Tool consolidates classifications across all major countries in one place.

What is HS Code 38180000 in Sao Tome and Principe

Under Sao Tome and Principe's Pauta Aduaneira (Pauta Aduaneira), HS Code 38180000 is classified as Elementos químicos impurificados (dopados), próprios para utilização em eletrónica, em forma de discos, wafers ou formas análogas; compostos químicos impurificados (dopados), próprios para utilização em eletrónica. Sao Tome and Principe's tariff system extends the WCO Harmonized System to 8 digits with national subdivisions. 38180000 belongs to Section VI: Products of the chemical or allied industries, Chapter 38: Miscellaneous chemical products, Heading 3818: Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electronics.

Explore more 2026 Latest Sao Tome and Principe import export trade data and shipment records for HS Code Doped Semiconductor Wafers on TradeInt global trade data platform

Classification Path of HS Code 38180000 in Sao Tome and Principe

Section VI

Chapters (28-38) Products of the chemical or allied industries

Chapter 38

Miscellaneous chemical products

HS Code 3818

Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electronics

HS Code 38180000

Elementos químicos impurificados (dopados), próprios para utilização em eletrónica, em forma de discos, wafers ou formas análogas; compostos químicos impurificados (dopados), próprios para utilização em eletrónica

Sao Tome and Principe Tariff Classification: Pauta Aduaneira (HS-ST)

In Sao Tome and Principe, HS 38180000 is classified under the Pauta Aduaneira (Pauta Aduaneira) — a 8-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Pauta Aduaneira (HS-ST)

Local name Pauta Aduaneira

Digits 8

Official source https://www.alfandegas.gov.st/

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Related HS Code to Sao Tome and Principe Doped Semiconductor Wafers (38180000)

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

HS Code 380210

Activated carbon; activated natural mineral products; animal black, including spent animal black : Activated carbon

HS Code 380290

Activated carbon; activated natural mineral products; animal black, including spent animal black : Other

HS Code 380300

Tall oil, whether or not refined

HS Code 380400

Residual lyes from the manufacture of wood pulp, whether or not concentrated, desugared or chemically treated, including lignin sulphonates, but excluding tall oil of heading 3803

HS Code 380510

Gum, wood or sulphate turpentine and other terpenic oils produced by the distillation or other treatment of coniferous woods; crude dipentene; sulphite turpentine and other crude paracymene; pine oil containing alphaterpineol as the main constituent : Gum, wood or sulphate turpentine oils

HS Code 380590

38180000 in Other Countries

See how 38180000 (Doped Semiconductor Wafers) is classified across other countries, each with its own national code and local description.

Compare 38180000 across countries

Frequently Asked Questions

What is HS code 38180000 in Sao Tome and Principe?

HS code 38180000 covers Elementos químicos impurificados (dopados), próprios para utilização em eletrónica, em forma de discos, wafers ou formas análogas; compostos químicos impurificados (dopados), próprios para utilização em eletrónica in Sao Tome and Principe. It sits in Chapter 38 (Miscellaneous chemical products), Heading 3818 of the Harmonized System, and is classified under HS-ST.

Is HS code 38180000 the same across all countries?

What system does Sao Tome and Principe use to classify HS code 38180000?

Where can I officially look up HS code 38180000 in Sao Tome and Principe?