Indonesia reference layer

HS heading 2918 - Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives

HS heading 2918 in the BTKI/HS tree. View the parent chapter, section, and the 6-digit subheadings parsed from the WCO 2022 structure.

2026 reference 2918 WCO HS 2022 + DJBC BTKI chapter structure
Published: 2026-05-08 Reviewed: 2026-05-08 Authority: WCO HS 2022 + DJBC BTKI chapter structure
Field Value
Code 2918
Level Heading / 4 digits
Chapter Chapter 29
Section Products of the chemical or allied industries
6-digit subheadings 16
Branch groups 0

Practical summary

Heading 2918 sits inside chapter 29 and groups a product family before you select the more specific 6-digit subheading. This layer uses the WCO 2022 nomenclature as the structural base and routes you back to Indonesia’s BTKI for final customs decisions.

6-digit subheadings

Code Title Route
291811 Lactic acid, its salts and esters 291811
291812 Tartaric acid 291812
291813 Salts and esters of tartaric acid 291813
291814 Citric acid 291814
291815 Salts and esters of citric acid 291815
291816 Gluconic acid, its salts and esters 291816
291817 2,2-Diphenyl-2-hydroxyacetic acid (benzilic acid) 291817
291818 Chlorobenzilate (ISO) 291818
291819 Other 291819
291821 Salicylic acid and its salts 291821
291822 O-Acetylsalicylic acid, its salts and esters 291822
291823 Other esters of salicylic acid and their salts 291823
291829 Other 291829
291830 Carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives 291830
291891 2,4,5-T (ISO) (2,4,5-trichlorophenoxyacetic acid), its salts and esters 291891
291899 Other 291899

How to use this page

Use this heading to lock the product family, then move down to the 6-digit subheading before checking any more specific Indonesian tariff line. If the product is still ambiguous, re-check its technical specification, composition, and function against the official BTKI/INSW tools.

Sources

Source URL Coverage Tier
WCO HS 2022 https://www.wcotradetools.org/en/harmonized-system/search/2022/en 4-digit headings and 6-digit subheadings official
DJBC BTKI https://www.beacukai.go.id/btki-dan-tarif Indonesia chapter mapping and BTKI context official
INSW tariff lookup https://insw.go.id/intr Existing Indonesian tariff-line examples official

This portal is informational. Confirm the final obligation and competent authority before filing, licensing, payroll, tax, or investment decisions. Read methodology.