HS 29.18.99

Acids; carboxylic acids, with additional oxygen function (not alcohol, phenol, aldehyde or ketone) and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives; other than 2,4,5-T (ISO)

WCO HS 20226-digit subheading
ℹ Many substances in this chapter (organic chemicals) may be classified as dangerous goods under ADR. Common hazard classes include Class 3 (flammable liquid), Class 6.1 (toxic), and Class 8 (corrosive). Always check individual substance classification before transport. Check ADR classification →
Classification is the shipper’s legal responsibility. This reference is based on common HS-ADR correlations from public regulatory data. Always verify against the current ADR, IMDG Code, or IATA DGR and consult a qualified DGSA where required.
HS 29.18.99WCO HS 2022
Acids; carboxylic acids, with additional oxygen function (not alcohol, phenol, aldehyde or ketone) and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives; other than 2,4,5-T (ISO)
Section
VI
Products of the chemical or allied industries
Chapter
29
Organic chemicals
Heading
29.18
Acids; carboxylic acid with additional oxygen function and their anhydrides, halides, peroxides, peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives
Level
Subheading
International 6-digit level (WCO HS 2022)
World Customs Organization (HS 2022)checked 2026-07-24verified

This is the international 6-digit HS code. Your country may use additional digits for national tariff purposes. For UK tariff and duty rates, check the UK Trade Tariff. For US rates, check the USITC HTS.

Related Codes Under 29.18

29.18.11
Acids; carboxylic acids, (with alcohol function but without other oxygen function), lactic acid, its salts and esters
→
29.18.12
Acids; carboxylic acids, (with alcohol function but without other oxygen function), tartaric acid
→
29.18.13
Acids; carboxylic acids, (with alcohol function but without other oxygen function); salts and esters of tartaric acid
→
29.18.14
Acids; carboxylic acids, (with alcohol function but without other oxygen function), citric acid
→
29.18.15
Acids; carboxylic acids, (with alcohol function but without other oxygen function), salts and esters of citric acid
→
29.18.16
Acids; carboxylic acids, (with alcohol function but without other oxygen function), gluconic acid, its salts and esters
→
29.18.17
Acids; carboxylic acids, (with alcohol function but without other oxygen function), 2,2-Diphenyl-2-hydroxyacetic acid (benzilic acid)
→
29.18.18
Acids; carboxylic acids, (with alcohol function but without other oxygen function), chlorobenzilate (ISO)
→
29.18.19
Acids; carboxylic acids, (with alcohol function but without other oxygen function), other than lactic, tartaric, citric, and gluconic acids and their salts and esters
→
29.18.21
Acids; carboxylic acids, (with phenol function but without other oxygen function), salicylic acid and its salts
→
29.18.22
Acids; carboxylic acids, (with phenol function but without other oxygen function), o-acetylsalicylic acid, its salts and esters
→
29.18.23
Acids; carboxylic acids, (with phenol function but without other oxygen function), other esters of salicylic acid and its salts n.e.c. in item no. 2918.2
→
29.18.29
Acids; carboxylic acids, (with phenol function but without other oxygen function), their anhydrides, halides, peroxides, peroxyacids and their derivatives, n.e.c. in item no. 2918.2
→
29.18.30
Acids; carboxylic acids, (with aldehyde or ketone function but without other oxygen function), their anhydrides, halides, peroxides, peroxyacids and their derivatives
→
29.18.91
Acids; carboxylic acids, with additional oxygen function (not alcohol, phenol, aldehyde or ketone) and their anhydrides, halides, peroxides and peroxyacids; 2,4,5-T (ISO) (2,4,5-trichlorophenoxyacetic acid), its salts and esters
→
← Heading 29.18: Acids; carboxylic acid with additional oxygen function and their anhydrides, halides, peroxides, peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives

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