HS 29.18

Acids; carboxylic acid with additional oxygen function and their anhydrides, halides, peroxides, peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives

16 subheadings · Chapter 29: Organic chemicals

WCO HS 202216 subheadings
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 29.18WCO HS 2022
Acids; carboxylic acid with additional oxygen function and their anhydrides, halides, peroxides, peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives
Subheadings
16
6-digit subheadings under this heading
Chapter
29
Organic chemicals
Section
VI
Products of the chemical or allied industries
Level
Heading
4-digit heading (WCO HS 2022)
World Customs Organization (HS 2022)checked 2026-07-24verified

Subheadings

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
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)
← Chapter 29: Organic chemicals

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