This directory combines historical reference rows with separately labelled national sources. Read the source title, observation date, printed units and conditions on each entry. National source observations do not establish all measures applicable to a shipment.

Saudi Arabia Customs Tariff for HS Code 381231000000

-- Mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ)

- - مخاليط اوليجوميرات 4،2،2-ثالث ميثيل 2،1،1-ثاني هيدروكينولين (TMQ)

Saudi ZATCA integrated customs tariff — official public export

19,104 official source entries are searchable. Checked 2026-09-22.

Exact 12-digit rows from the official public export, including hierarchy rows with no duty. Blank cells are not confirmed zero duties. Arabic and English measures, procedure identifiers and the source Date column are preserved. Consult the portal for release procedures, origin, exemptions and other taxes. This export does not calculate a shipment total and is separate from the older site reference.

Official schedule and source documentation

Official entries matching 381231000000

381231000000

- - مخاليط اوليجوميرات 4،2،2-ثالث ميثيل 2،1،1-ثاني هيدروكينولين (TMQ)

-- Mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ)

Duty or measure — English (as printed)
6.5 %
Duty or measure — Arabic (as printed)
6.5 %
Source notes and context notes
  • Source Date column (not independently interpreted): 4/12/2021 12:00:00 AM
Official source for this code

Historical reference for Saudi Arabia

Saudi Arabia HS Code 381231000000: 6.5 %

The reference dataset lists a duty value of 6.5 % for -- Mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ).Source status: not prohibited in this source; other restrictions not assessed. Verify the exact national tariff line, origin treatment, taxes, restrictions, and current customs guidance before using this information in a declaration.

Customs tariff summary

Country
Saudi Arabia
HS / tariff code
381231000000
Description
-- Mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ)
Chapter
38 —
Heading
3812
Subheading
381231
Reference duty value
6.5 %
VAT / tax
Check local VAT and excise rules for the import destination.
Unit / basis
Not listed in this tariff line
Source / vintage
ZATCA (Zakat, Tax and Customs Authority)

Historical reference duty — see official export above

6.5 %

6.5 %

Import permission

not prohibited in this source; other restrictions not assessed

Import planning

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Details

HS Code
381231000000
Chapter
38 —
Heading
3812
Subheading
381231

Compare HS code 381231000000 across GCC countries

Each destination shows its own source label. Oman uses its national schedule; Qatar and UAE entries may cite their separately published references and unresolved exceptions. Other entries retain the historical GCC reference. National codes, duty notes, restrictions and tax treatment can differ; verify with the destination customs authority.

Related HS Codes (Heading 3812)

HS CodeDescriptionDuty
381210000000- Prepared rubber accelerators5 %
381220000000- Compound plasticisers for rubber or Plastics6.5 %
381239000001Rubber of plastic fasteners contains any material Included in the attached list of dangerous materials (Appendix 1).6.5 %
381239009999Other6.5 %

Data source: ZATCA (Zakat, Tax and Customs Authority). Historical reference rates exclude VAT, excise and other national measures. Separate national entries preserve the columns printed by their source; these are not a complete shipment assessment. Full disclaimer.